PROGRAM

TUESDAY  MORNING    FEBRUARY 7

Section 1. Agronomic Crops

 

*PRESENTER

 

Glyoxylate, a New Biomarker to Detect Resistance to Glyphosate in Plants. F. González-Torralva*1, A. M. Rojano1, M. Perez-Lopez2, F. J. Rosario2, R. De Prado1; 1University of Córdoba, Córdoba, Spain, 2University of Cordoba, Cordoba, Spain (1)

 

Leptochloa virgata, A New Glyphosate-resistant Monocot from Mexico. M. Perez-Lopez*1, F. González-Torralva2, J. A. Dominguez-Valenzuela3, R. De Prado2; 1University of Cordoba, Cordoba, Spain, 2University of Córdoba, Córdoba, Spain, 3Chapingo Autonomous University, Chapingo, Spain (2)

 

Winter Barley Varietal Tolerance to Flufenacet. J. Campbell*, D. Morishita, T. Rauch, D. Thill; University of Idaho, Moscow, ID (3)

 

Zidua (Pyroxasulfone): A New Chemistry for Pre-Emergence Residual Weed Control in Glyphosate-Resistant Corn. P. Jha*, V. Kumar, N. Reichard; Montana State University, Huntley, MT (4)

 

Late Emerging Weed Suppression by Interseeding Cover Crops at Mid-season in Corn . A. Bich*, S. A. Clay, C. Reese, D. E. Clay; SDSU, Brookings, SD (5)

 

Effect of Nitrogen Source and Rate on Weed Removal Time in Corn. A. M. Knight*1, J. D. Hinton1, W. J. Everman2; 1North Carolina State University, Raleigh, NC, 2Michigan State University, East Lansing, MI (6)

 

Characterization of Protein Expression and Agronomics of Enlist Corn. M. A. Peterson*, D. M. Simpson, J. W. Bing, C. C. Cui; Dow AgroSciences, Indianapolis, IN (7)

 

Effect of Late Emerging Weeds in Glyphosate-Resistant Corn. N. Soltani*1, R. E. Nurse2, C. Shropshire1, W. J. Everman3, C. L. Sprague3, P. H. Sikkema1; 1University of Guelph, Ridgetown, ON, 2Agriculture and Agri-Food Canada, Harrow, ON, 3Michigan State University, East Lansing, MI (8)

 

Investigations of Early-season Applications of Herbicides, Fungicides, and Slow-release N Fertilizers in Corn. C. B. Solomon*, J. D. Wait, T. R. Legleiter, E. B. Riley, K. W. Bradley; University of Missouri, Columbia, MO (9)

 

Evaluation of Application Program and Timing in Herbicide-Resistant Corn. A. J. Chomas*, L. E. Bast, J. J. Kells, W. J. Everman; Michigan State University, East Lansing, MI (10)

 

Management of Field Pansy (Viola bicolor) Prior to Soybeans in Nebraska. L. D. Sandell*1, G. R. Kruger2; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, North Platte, NE (11)

 

Management of Glyphosate-Resistant Palmer Amaranth in Soybean with Pyroxasulfone. W. J. Everman*1, A. M. Knight2, L. Grier2, J. D. Hinton2, R. E. Paynter2; 1Michigan State University, East Lansing, MI, 2North Carolina State University, Raleigh, NC (12)

 

Burndown Programs for Horseweed Management in Soybeans. J. D. Hinton*1, L. Grier1, W. J. Everman2; 1North Carolina State University, Raleigh, NC, 2Michigan State University, East Lansing, MI (13)

 

Rotational Crop Sensitivity to Flumioxazin as a Dry Bean Desiccant. C. L. Sprague*, G. E. Powell; Michigan State University, East Lansing, MI (14)

 

Row Width and Plant Population Affect Plant Architecture in Upright Dry Edible Bean. R. C. Holmes*, C. L. Sprague; Michigan State University, East Lansing, MI (15)

 

Impact of Three Weed Species on Field Beans (Phaseolus vulgaris) in Brazil. R. A. Vidal*1, F. P. Lamego2, M. M. Trezzi3, A. Kalsing4, L. F. Cieslik3; 1UFRGS, Porto Alegre, Brazil, 2UFSM, Frederico Westfalen, Brazil, 3UTFPR, Pato Branco, Brazil, 4IRGA, Cachoeirinha, Brazil (16)

 

Peanut Response to 2,4-D. R. M. Merchant*1, E. P. Prostko1, T. M. Webster2; 1University of Georgia, Tifton, GA, 2USDA-ARS, Tifton, GA (17)

 

Weed Control with Pyroxasulfone and Peanut Response. P. M. Eure*1, E. P. Prostko2, W. Vencill1, R. M. Merchant2; 1The University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (18)

 

Changes in Secondary Metabolism in Sunflower Grains Due to Competition with Wild Radish (Raphanus raphanistrum) . D. Agostinetto*, R. Manica Berto, A. Langaro, A. Oliveira de Mendonça, M. Nohatto; Universidade Federal de Pelotas, Pelotas, Brazil (19)

 

Weed Management Affects Nitrogen Availability in Glyphosate-Resistant Sugarbeet. A. Spangler*, C. L. Sprague; Michigan State University, East Lansing, MI (20)

 

Cotton Sensitivity to Preplant Applied Flumioxazin. J. Ferrell*1, B. J. Brecke2, M. Durham1; 1University of Florida, Gainesville, FL, 2University of Florida, Jay, FL (21)

 

Managing Palmer Amaranth and Ivyleaf Morningglory in Glyphosate/Glufosinate-Tolerant Cotton. J. D. Reed*1, W. Keeling1, P. A. Dotray2; 1Texas AgriLife Research, Lubbock, TX, 2Texas Tech University, Lubbock, TX (22)

 

Kochia Distribution and Management Practices Following Wheat Harvest in Kansas. A. S. Godar*1, P. W. Stahlman2, J. Dille1; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS (23)

 

Flumioxazin's Fit in Kansas Winter Wheat. D. Refsell*1, J. Dille2, D. Peterson2, P. W. Stahlman3, J. Pawlak4; 1Valent USA, Lathrop, MO, 2Kansas State University, Manhattan, KS, 3Kansas State University, Hays, KS, 4Valent USA, Grand Rapids, MI (24)

 

Wheat Row Spacing and Seeding Rate Effect on Weed Emergence. D. E. Shoup*; Kansas State University, Chanute, KS (25)

 

Imidazolinone-Resistant Winter Wheat Cultivar Tolerance to Imazamox Applied with MSO or NIS. J. Johnson*1, T. L. Grey2; 1University of Georgia, Griffin, GA, 2University of Georgia, Tifton, GA (26)

 

Tolerance of Spring Cereals to Pyroxasulfone. N. Soltani*, C. Shropshire, P. H. Sikkema; University of Guelph, Ridgetown, ON (27)

 

Grass Weed Control and Herbicide Tolerance in Timothy (Phleum pratense L.) Grown for Hay. T. Rauch*, J. Campbell, D. Thill; University of Idaho, Moscow, ID (28)

 

Fertility-Based Herbicide Recovery from Clomazone Herbicide in Hybrid Rice (Oryza sativa). B. M. McKnight*1, S. A. Senseman1, G. McCauley2; 1Texas A&M University, College Station, TX, 2Texas AgriLife Research, Eagle Lake, TX (29)

 

Glphosate Delays Maturity in Rice Grown for Crawfish Production. R. J. Levy*1, E. P. Webster2, E. L. Thevis1, J. C. Fish1, N. Fickett1; 1Louisiana State University, Baton Rouge, LA, 2LSU AgCenter, Baton Rouge, LA (30)

 

Malathion Interacts with ALS Herbicides in Rice. E. P. Webster*1, R. J. Levy2, J. C. Fish2, N. Fickett2, E. L. Thevis2; 1LSU AgCenter, Baton Rouge, LA, 2Louisiana State University, Baton Rouge, LA (31)

 

Crop Rotations and Herbicide Programs to Reduce Red Rice (Oryza sativa) Populations in Clearfield Rice. B. M. Davis*1, R. C. Scott2, J. C. Braun3; 1University of Arkansas, Lonoke, AR, 2University of Arkansas, Fayetteville, AR, 3BASF Corporation, Benton, AR (32)

 

Control of Tumble Windmill Grass (Chloris verticillata Nutt.) in No-Till Cropping Systems. T. A. Baughman*; Oklahoma State University, Ardmore, OK (33)

 

Fertility and Cropping System Effects on Spring Annual Weeds in Eastern Washington Dryland Organic Systems. M. R. Manuchehri*, K. A. Borrelli, E. P. Fuerst, D. L. Pittmann, R. T. Koenig, I. C. Burke; Washington State University, Pullman, WA (34)

 

Diversity of Echinochloa in the Mid South. C. T. Bryson*, K. N. Reddy; USDA-ARS, Stoneville, MS (35)

 

Effect of Fall-Applied Herbicides on Horseweed Populations the Following Spring. M. Loux, B. Reeb*; The Ohio State University, Columbus, OH (36)

 

Rotational Comparisons of Mesosulfuron, Mesosulfuron + Iodosulfuron, and Pyroxsulam in the Palouse Region of the Pacific Northwest. M. D. Anderson*; Bayer CropScience, Spangle, WA (37)

 

Control of Elephantgrass with Postemergence Herbicides. D. C. Odero, R. A. Gilbert, N. Havranek*; University of Florida, Belle Glade, FL (38)

 

Dicamba Herbicide Mixtures for Control of Broadleaf Weeds. A. Perez-Jones*1, B. Duncan2, R. Brinker1, P. Feng1; 1Monsanto, St Louis, MO, 2Monsanto Company, St. Louis, MO (39)

 

Evaluating Varying Rates of Dicamba with Glyphosate for Broadleaf Weed Control. S. Carter*1, C. Slack1, S. M. Allen2; 1University of Kentucky, Lexington, KY, 2Monsanto Company, Bonnie, IL (40)

 

Variability in Response of Palmer Amaranth (Amaranthus palmeri), Waterhemp (Amaranthus rudis) and Kochia (Kochia scoparia) Populations from Nebraska to a Single Dose of 2,4-D and Dicamba. R. J. Crespo*1, G. R. Kruger2, R. G. Wilson3, D. J. Lee1, M. L. Bernards4; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, North Platte, NE, 3University of Nebraska, Scottsbluff, NE, 4Western Illinois University, Macomb, IL (41)

 

Pyroxasulfone Interaction With Plants. E. P. Westra*1, D. L. Shaner2, P. Westra1; 1Colorado State University, Fort Collins, CO, 2USDA, Fort Collins, CO (42)

 

Multiple Resistance of Wild Poinsettia (Euphorbia heterophylla) to ALS and PPO Inhibitors in Brazil. F. S. Adegas*, D. Gazziero, E. Voll; Embrapa, Londrina, Brazil (43)

 

Italian Ryegrass (Lolium multiflorum) Resistance to ALS-Inhibiting Herbicides in Kansas. D. E. Shoup*; Kansas State University, Chanute, KS (44)

 

KIH-485 to Pyroxasulfone: A University's Journey. D. Lingenfelter*, W. Curran; The Pennsylvania State University, University Park, PA (45)

 

Benchmark Study: Assessing the Economic Viability of Herbicide Resistance Management Programs. B. Edwards*1, D. R. Shaw2, J. W. Weirich3, M. D. Owen4, P. M. Dixon4, B. G. Young5, R. G. Wilson6, D. L. Jordan7, S. C. Weller8; 1Mississippi State University, Starkville, MS, 2Mississippi State University, Mississippi State, MS, 3University of Missouri, Portageville, MO, 4Iowa State University, Ames, IA, 5Southern Illinois University, Carbondale, IL, 6University of Nebraska, Scottsbluff, NE, 7North Carolina State University, Raleigh, NC, 8Purdue University, West Lafayette, IN (46)

 

Does the Source of Agricultural Management Advice Influence Growers’ Perceptions of Problematic Weeds? L. W. Atwood*1, J. Bingen2, G. W. Bird2; 1University of New Hampshire, Durham, NH, 2Michigan State University, East Lansing, MI (47)

 

Geographic and Bioclimatic Distribution of Troublesome Field Crop Weeds in the Northeastern U.S. A. DiTommaso*1, E. M. Buck1, S. J. Riha1, A. McDonald2; 1Cornell University, Ithaca, NY, 2CIMMYT, Kathmandu, Nepal (48)




TUESDAY  MORNING    FEBRUARY 7

Section 2. Horticultural Crops

 

*PRESENTER

 

Vegetable Crop Herbicides: Have We Exhausted All Potential Options? J. Colquhoun*, D. J. Heider, R. Rittmeyer; University of Wisconsin, Madison, WI (49)

 

Efficacy of Organic Herbicides in Relation to Application and Environmental Conditions. W. T. Lanini*; University of California, Davis, Davis, CA (50)

 

Crop Rotation and Compost for Weed Management During the Transition to Organic Vegetables. R. E. Nurse*; Agriculture and Agri-Food Canada, Harrow, ON (51)

 

Changes in Weed Community Composition in a Long-Term Organic Systems Experiment in Western Washington. C. A. Benedict*1, C. Cogger2, A. Bary2, T. W. Miller3; 1Washington State University, Bellingham, WA, 2Washington State University, Puyallup, WA, 3Washington State University, Mount Vernon, WA (52)

 

Efficacy of  Herbicides for Organically-grown Fruit and Vegetable Crops. J. O'Sullivan*, R. Van Acker, R. Grohs, R. Riddle; University of Guelph, Simcoe, ON (53)

 

Evaluation of Meadowfoam Seed Meal as a Potential Bioherbicide. S. Intanon*, A. G. Hulting, J. Kling, C. Mallory-Smith; Oregon State University, Corvallis, OR (54)

 

Non-Fumigant Weed Control Alternatives to Methyl Bromide. E. N. Rosskopf*1, D. Butler2, N. Kokalis-Burelle1; 1USDA, ARS, Fort Pierce, FL, 2University of Tenn, Knoxville, TN (55)

 

Pelargonic Acid Formulations, Application Rates, and Sequential Applications for Weed Control in Squash. C. L. Webber*1, J. W. Shrefler2, L. Brandenberger3; 1USDA-ARS, Lane, OK, 2Oklahoma State University, Lane, OK, 3Oklahoma State University, Stillwater, OK (56)

 

Tillage and Cover Crop Effects on Weed Management in Snap Beans. D. C. Brainard*, E. Haramoto, D. Noyes; Michigan State University, East Lansing, MI (57)

 

Efficiency and Economics of Weed Management Methods in Organic Vineyards. A. Shrestha*1, K. Kurtural2, M. W. Fidelibus3, S. Konduru2; 1California State University, Fresno, CA, 2California State University, Fresno, Fresno, CA, 3University of California, Davis, Parlier, CA (58)

 

Effect of Timing and Rate on Soil Active Herbicides in Vineyards. E. Peachey*; Oregon State University, Corvallis, OR (59)

 

Indaziflam Performance in Demonstration Trials Conducted in Tree, Nut, and Vine Crops. M. D. Anderson*1, D. Unland2; 1Bayer CropScience, Spangle, WA, 2Bayer CropScience, Research Triangle Park, NC (60)

 

Broad Spectrum Weed Control with Tank Mix of Saflufenacil and Glufosinate in Florida Citrus. M. Singh, A. M. Ramirez, A. J. Jhala*; University of Florida, Lake Alfred, FL (61)

 

Response of Broccoli and Cabbage Hybrid Cultivars To Clomazone. H. F. Harrison, Jr.*, M. W. Farnham; USDA-ARS, Charleston, SC (62)

 

Effectiveness of Flumioxazin for Weed Control in Watermelons. S. A. Mathew*1, B. Scott2, M. VanGessel2; 1University of Maryland, Cambridge, MD, 2University of Delaware, Georgetown, DE (63)

 

Response of Citron Melon (Citrullus lanatus var. citroides) to Post-Emergence Herbicides. A. M. Ramirez, A. J. Jhala*, M. Singh; University of Florida, Lake Alfred, FL (64)

 

Effect of Low Temperatures in Conjunction with Herbicide Application on Canada Thistle. S. A. Mathew*1, H. H. Valenti2, P. Mayland2; 1University of Maryland, Cambridge, MD, 2North Dakota State University, Fargo, ND (65)

 

Weed, Disease, and Insect Interaction Potato Study: Small Plot Research Methods. T. S. Miera*, B. R. Beutler, P. Hutchinson; University of Idaho, Aberdeen, ID (66)

 

Evaluation of Risk Factors in Utilizing PPO Inhibitor Herbicides in Potato Production. D. J. Heider*, J. Colquhoun, R. Rittmeyer; University of Wisconsin, Madison, WI (67)

 

Glyphosate Carryover in Seed Potato Tubers: Effect on Germination and Growth. P. Hutchinson*1, J. Felix2, R. A. Boydston3; 1University of Idaho, Aberdeen, ID, 2Oregon State University, Ontario, OR, 3USDA-ARS, Prosser, WA (68)

 

The IR-4 Project: Update on Weed Control Projects. M. Arsenovic*, D. L. Kunkel, J. Baron, D. Carpenter; Rutgers University, Princeton, NJ (69)




TUESDAY  MORNING    FEBRUARY 7

Section 3. Turf and Ornamental Crops

 

*PRESENTER

 

Comparisons of Management Strategies for Poa annua on Bentgrass Putting Greens. A. P. Williams*, M. Barrett, D. W. Williams, A. Powell; University of Kentucky, Lexington, KY (70)

 

Detection of Poa annua Populations Resistant to Amicarbazone and Triazine Herbicides. J. S. McElroy*1, D. H. Perry2; 1Auburn University, Auburn, AL, 2Dow AgroSciences, Greenville, MS (71)

 

Methiozolin for Annual Bluegrass (Poa annua L.,) Control in Creeping Bentgrass (Agrostis stolonifera L.,) Greens. S. Hart*1, C. J. Mansue2; 1Rutgers, The State University of New Jersey, New Brunswick, NJ, 2Rutgers, The State University of New Jersery, New Brunswick, NJ (72)

 

A Preliminary Study on a New Method for the Selective Control of Noxious Creeping Perennials in Urban Vegetation. M. Ito*1, K. Ito2, M. Ao3; 1Instutute for Urban Weed Science, Kobe, Japan, 2MicroForest Research Co. Ltd, Kobe, Japan, 3Shirasaki Corporation Co. Ltd, Sabae, Japan (73)

 

Using Chelated Iron for Broadleaf Control to Establish Turfgrass. E. M. Lyons*, K. S. Jordan; University of Guelph, Guelph, ON (74)




TUESDAY  MORNING    FEBRUARY 7

Section 4. Pasture, Rangeland, Forest, and Rights of Way

 

*PRESENTER

 

Site-Specific Use of Imazapic to Release Native Plants from Leafy Spurge and Cheatgrass Competition. D. L. Mummey*, L. Stoffel, P. Ramsey; MPG Operations, Missoula, MT (75)

 

Yellow Toadflax Control in Rangeland with DPX-MAT28. B. M. Jenks*; North Dakota State University, Minot, ND (76)

 

Absinth Wormwood (Artemisia absinthium L.), Houndstongue (Cynoglossum officinale L.), and Yellow Toadflax (Linaria vulgaris Mill.) Control with Aminocyclopyrachlor. K. L. Conklin*, R. G. Lym; North Dakota State University, Fargo, ND (77)

 

Weed Control in Established Guinea Grass with Postemergence Herbicides. F. Rivas*; INIFAP, Merida, Mexico (78)

 

Evaluation of Aminocyclopyrachlor Efficacy, Mowing, and Application Timing on Cogongrass. L. C. Coats*, J. D. Byrd, J. M. Taylor; Mississippi State University, Mississippi State, MS (79)

 

Rehabilitating Medusahead, Taeniatherum caput-medusae,  Infested Rangelands in Central Oregon Using Herbicides in Conjunction with Range Seeding. M. D. Butler*, R. B. Simmons; Oregon State University, Madras, OR (80)

 

Evaluating Bunchgrass Vigor Following Herbicide Treatment for Medusahead, Taeniatherum caput-medusae, Infested Rangelands in Central Oregon. R. B. Simmons*, M. D. Butler; Oregon State University, Madras, OR (81)

 

Optimal Herbicide Application Timing for Canada Thistle Control. D. L. Deneke*, M. J. Moechnig, D. A. Vos, J. K. Alms; South Dakota State University, Brookings, SD (82)

 

Control of Pacific Rhododendron (Rhododendron macrophyllum) in Recently Harvested Coastal Oregon Forests. A. Peters*1, C. Bouska1, A. G. Hulting2; 1Oregon State University, Myrtle Point, OR, 2Oregon State University, Corvallis, OR (83)

 

Controlling Golden Bamboo (Phyllostachys aurea) with Herbicide Stem Injections. M. A. Czarnota*; University of Georgia, Griffin, GA (84)

 

White-Tailed Deer Browsing Preferences for Invasive and Non-Invasive Plants in Pennsylvania Using Videography. K. M. Averill*, D. A. Mortensen; The Pennsylvania State University, University Park, PA (85)




TUESDAY  MORNING    FEBRUARY 7

Section 5. Wildland and Aquatic Invasive Plants

 

*PRESENTER

 

A Niche Approach to Modelling the Distributions and Overlap of Two Naturally Hybridizing Invasive Linaria Species. M. F. Turner*1, P. H. Evangelista1, N. E. Young1, T. J. Stohlgren2, S. E. Sing3, S. M. Ward1; 1Colorado State University, Fort Collins, CO, 2USGS, Fort Collins, CO, 3USDA-USFS, Bozeman, MT (86)

 

The Seasonality of Survival and Subsequent Growth of Common Reed, Phragmites australis, Rhizome Fragments. K. J. Juneau*, C. S. Tarasoff; Michigan Technological University, Houghton, MI (87)

 

Integrating Fire, Glyphosate, and Seeding for Cogongrass Management in Longleaf Pine. S. F. Enloe*, N. J. Loewenstein, D. W. Held, L. G. Eckhardt; Auburn University, Auburn, AL (88)

 

The Role of Invertebrates in Competition Between Invasive KR Bluestem (Bothriochloa ischaemum) and Native Species in Central Texas Grasslands. M. A. Miranda*, J. R. Loos; Trinity University, San Antonio, TX (89)

 

Competition Between Monoecious Hydrilla and Other Submersed Macrophytes. S. Meadows*, R. J. Richardson; North Carolina State University, Raleigh, NC (90)

 

Shoreline Drizzle Applications for Control of Yellowflag Iris. G. B. Kyser*, J. M. DiTomaso; University of California, Davis, Davis, CA (91)

 

Response of Natalgrass (Melinis repens) to Herbicides Applied Pre- and Post-Emergence. C. A. Stokes*1, G. MacDonald2, K. Langeland2, C. Reinhardt-Adams2, D. Miller3; 1Cornell University, Ithaca, NY, 2University of Florida, Gainesville, FL, 3University of Florida, Milton, FL (92)

 

Invasiveness of Musk Thistle in Cool and Warm Season Perennial Grass Communities. C. Han*1, S. L. Young2, J. L. Lindquist1; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, North Platte, NE (93)




TUESDAY  MORNING    FEBRUARY 7

Section 6. Regulatory Aspects

 

*PRESENTER



TUESDAY  MORNING    FEBRUARY 7

Section 7. Education and Extension

 

*PRESENTER

 

The WeedOlympics: A National Weed Science Contest. J. J. Vargas*1, G. Armel1, J. T. Brosnan1, G. K. Breeden1, M. Barrett2; 1University of Tennessee, Knoxville, TN, 2University of Kentucky, Lexington, KY (94)

 

Teaching Weed Science in an Off-Campus Setting. R. E. Whitesides*, C. V. Ransom; Utah State University, Logan, UT (95)

 

Dynamic Web-Based Platform for Display of Weed Management Information. L. D. Sandell*1, M. L. Bernards2, R. E. Gaussoin1, R. N. Klein3, S. Z. Knezevic1, G. R. Kruger3, D. J. Lyon4, Z. J. Reicher1, S. L. Young3, R. G. Wilson5, C. L. Ogg1; 1University of Nebraska-Lincoln, Lincoln, NE, 2Western Illinois University, Macomb, IL, 3University of Nebraska-Lincoln, North Platte, NE, 4University of Nebraska-Lincoln, Scottsbluff, NE, 5University of Nebraska, Scottsbluff, NE (96)

 

Organizing Weed, or Any Plant, Photographs Using Lightroom®. R. F. Norris*; University of California, Davis, Davis, CA (97)




TUESDAY  MORNING    FEBRUARY 7

Section 8. Formulation, Adjuvant and Application Technology

 

*PRESENTER

 

Effect of Nozzle Type, Spray Droplet Size and Spray Volume on Crop Tolerance and Weed Control with 2,4-D+Glyphosate Formulation. D. C. Ruen*1, D. E. Hillger2, B. D. Olson3, A. T. Ellis4, C. C. Love5; 1Dow AgroSciences, Lanesboro, MN, 2Dow AgroSciences, Indianapolis, IN, 3Dow AgroSciences, Geneva, NY, 4Dow AgroSciences, Greenville, MS, 5Dow AgroSciences, Brisbane, Australia (98)

 

Methodology for Utilizing Low Tunnel Structures to Evaluate Differences in Herbicide Volatility . E. F. Scherder*1, D. M. Simpson2, D. E. Hillger2; 1Dow AgroSciences, Huxley, IA, 2Dow AgroSciences, Indianapolis, IN (99)

 

DRT - Windfield Solutions, LLC. Low-Speed Wind Tunnel and Laser Diffraction Spray Droplet Analyzer. J. V. Gednalske*1, L. C. Magidow2, G. Dahl2, E. Spandl2; 1Winfield Solutions, LLC, River Falls, WI, 2Winfield Solutions, LLC, St. Paul, MN (100)

 

Herbicide Compatibily: Dealing with Complex Tank-Mixes. G. Dahl*1, J. V. Gednalske2, L. C. Magidow1, E. Spandl1, L. J. Hennemann2; 1Winfield Solutions, LLC, St. Paul, MN, 2Winfield Solutions, LLC, River Falls, WI (101)

 

Urea Ammonium Nitrate (28%) Carrier Differentially Affects Herbicide Activity on Winter Wheat. G. E. Powell*, C. L. Sprague; Michigan State University, East Lansing, MI (102)

 

Evaluating the Reduction of Driftable Fines . D. E. Hillger*1, P. Havens1, S. Wilson1, K. Qin1, G. R. Kruger2, A. Hewitt3; 1Dow AgroSciences, Indianapolis, IN, 2University of Nebraska-Lincoln, North Platte, NE, 3Lincoln Ventures Ltd., Christchurch, New Zealand (103)




TUESDAY  MORNING    FEBRUARY 7

Section 9. Weed Biology and Ecology

 

*PRESENTER

 

Can Weed Seeds Avoid Germinating in an Unfavorable Growth Environment?: Differences in Seedling Emergence of Summer Annual Weeds Under Normal and Excessive Soil Moisture Conditions. T. Imaizumi*, H. Watanabe, M. Asai, A. Uchino; National Agriculture and Food Research Organization, Tsukuba, Japan (104)

 

Germinability of Seeds Produced at Different Levels in the Canopy Varies for Two Weed Species Competing with Corn. F. Kordbacheh*1, H. Rahimian Mashhadi2, H. Alizadeh3, A. DiTommaso4, C. L. Mohler4, H. Karimmojeni5, R. Tavakol Afshari1; 1University of Tehran, Karaj, Iran, 2University of Tehran, Tehran, Iran, 3Tehran University, Karaj, Iran, 4Cornell University, Ithaca, NY, 5Isfahan University of Technology, Tehran, Iran (105)

 

Weed Seed Survival as Influenced by Dairy Compost. A. J. Lindsey*, K. A. Renner, W. J. Everman; Michigan State University, East Lansing, MI (106)

 

The Influence of Seed Burial Depth on Common Ragweed Seed Bank Persistence. M. J. Moechnig*, R. Nyamusamba, D. L. Deneke, D. A. Vos, J. K. Alms; South Dakota State University, Brookings, SD (107)

 

Crop Canopy Effect on Kochia Seed Production and Seed Bank Depletion. R. P. Nyamusamba*, M. J. Moechnig, D. A. Vos, J. K. Alms, D. L. Deneke; South Dakota State University, Brookings, SD (108)

 

Understanding Seed Dormancy Control in Common Teasel. H. R. Huarte*, M. L. Zapiola; Universidad Católica Argentina, Buenos Aires, Argentina (109)

 

Winter Annual Seed Decay in Northern Climates. E. C. Taylor*, K. A. Renner, C. L. Sprague; Michigan State University, East Lansing, MI (110)

 

Assessment of Base Temperature and Base Water Potential for Germination in Argentinean Common Teasel. M. L. Zapiola, H. R. Huarte*; Universidad Católica Argentina, Buenos Aires, Argentina (111)

 

Interactions Between Light and Moisture-Chilling Duration Combinations on Broad Leaved Duck(Rumex Obtosifolius) Germination. H. Rahimian Mashhadi*1, S. Archin1, M. Oveisi1, R. Tavakol Afshari2; 1University of Tehran, Tehran, Iran, 2University of Tehran, Karaj, Iran (112)

 

Assessing the Role of “Relatedness” in Suppression of Weeds by Cover Crops: a Surrogate Weed Approach. R. G. Smith*, L. W. Atwood; University of New Hampshire, Durham, NH (113)

 

Life History of Winter Annual Weeds in Northern Climates. K. A. Renner*, E. C. Taylor, C. L. Sprague; Michigan State University, East Lansing, MI (114)

 

Development of a Predictive Model for Wild Oat Growth & Development. J. Dai, J. J. Wiersma*, K. L. Martinson, B. R. Durgan; University of Minnesota, St. Paul, MN (115)

 

Some Aspects of the Ecology and Management of Alien-Invasive Weeds in Coastal Forestry of British Columbia, Canada. R. R. Prasad*; Pacific Forestry Centre, Victoria, BC (116)

 

Modeling Competition Between Native and Invasive Perennial Grass Species Across a Nitrogen Gradient. C. E. Afflerbach1, R. Rabat*1, K. Banick1, K. Lyons2, S. Elaydi1; 1Trinity University, San Antonio, TX, 2Trinity University, 78212, TX (117)

 

Weeds on Mississippi Roadsides: A Statewide Survey of Species. V. L. Maddox*1, J. D. Byrd1, D. Thompson2; 1Mississippi State University, Mississippi State, MS, 2Mississippi Department of Transportation, Jackson, MS (118)

 

Population Genetics and Evolution of Weedy Red Rice in Arkansas. T. Tseng*1, N. R. Burgos1, A. Lawton-Rauh2, C. R. Climer2, M. B. Batoy1, V. K. Shivrain3; 1University of Arkansas, Fayetteville, AR, 2Clemson University, Clemson, SC, 3Syngenta, Greensboro, NC (119)

 

Evaluating Weed Flora Changes in Irrigated Wheat Fields in Savojbolagh County During the Last Decade. H. Rahimian Mashhadi*1, N. Pasban-Zyarat1, H. Alizadeh2, G. MacDonald3, M. Minbashi Moeini4; 1University of Tehran, Tehran, Iran, 2Tehran University, Karaj, Iran, 3University of Florida, Gainesville, FL, 4Iranian Reasearche Institute of plant protection, Tehran, Iran (120)

 

Local Conditions, Not Spatial Gradients, Drive Demographic Variation of Ambrosia Trifida and Helianthus Annuus Across Northern US Maize Belt. S. E. Wortman1, A. S. Davis2, B. Schutte2, J. L. Lindquist*1, J. Cardina3, J. Felix4, C. L. Sprague5, J. Dille6, A. M. Ramirez7, G. Reicks8, S. A. Clay9; 1University of Nebraska-Lincoln, Lincoln, NE, 2USDA-ARS, Urbana, IL, 3The Ohio State University, Wooster, OH, 4Oregon State University, Ontario, OR, 5Michigan State University, East Lansing, MI, 6Kansas State University, Manhattan, KS, 7University of Florida, Lake Alfred, FL, 8South Dakota State University, Brookings, SD, 9SDSU, Brookings, SD (121)

 

Kochia Emergence Profiles Across the Central Great Plains. J. Dille*1, P. W. Stahlman2, P. W. Geier2, J. Riffel1, R. S. Currie3, R. G. Wilson4, G. M. Sbatella4, P. Westra5, A. R. Kniss6, M. J. Moechnig7, R. M. Cole8; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS, 3Kansas State University, Garden City, KS, 4University of Nebraska, Scottsbluff, NE, 5Colorado State University, Fort Collins, CO, 6University of Wyoming, Laramie, WY, 7South Dakota State University, Brookings, SD, 8Monsanto Company, St. Louis, MO (122)

 

Origin of White Weedy Rice that Emerged in Japan. M. Akasaka*1, J. Ushiki2, H. Iwata3, S. Konishi4, T. Izawa5, R. Ishikawa6, T. Ishii7; 1National Agricultural Research Center, Tsukuba, Japan, 2National Agricultural Research Center for Hokkaido Region, Sapporo, Japan, 3University of Tokyo, Bunkyo-ku, Japan, 4University of Kagawa, Takamatsu, Japan, 5National Institute of Agrobiological Sciences, Tsukuba, Japan, 6University of Hirosaki, Hirosaki, Japan, 7Okayama Prefectural General Agricultural Center, Akaiwa, Japan (123)

 

Initial Investigations into Dodder Species Variation in Southeastern Massachusetts. K. M. Ghantous*, H. A. Sandler; UMass Cranberry Station, East Wareham, MA (124)

 

New Biological Information on the Invasive Swallow-worts (Vincetoxicum spp.). A. DiTommaso*1, C. L. Mohler1, L. R. Milbrath2; 1Cornell University, Ithaca, NY, 2USDA-ARS, Ithaca, NY (125)

 

Host Association of Kudzu in a Riverine Vegetation of Central Japan. T. Nishio*; Weed Science Center, Utsunomiya University, Utsunomiya, Japan (126)

 

The Role of Mycorrhizal Fungi in Mediating Competition Between Native and Invasive Perennial Grass Species Across a Nitrogen Gradient. C. E. Afflerbach*1, R. Rabat1, K. Banick1, K. Lyons2, S. Elaydi1; 1Trinity University, San Antonio, TX, 2Trinity University, 78212, TX (127)

 

Maize Dwarf Mosaic in Sweet Corn Contributes to Weed Growth and Seed Production. M. M. Williams*1, J. K. Pataky2; 1USDA-ARS, Urbana, IL, 2University of Illinois, Urbana, IL (128)

 

Influence of Herbicide Application Timing on Soybean Cyst Nematode (Heterodera glycines) Reproduction in Henbit (Lamium amplexicaule) Roots. R. Werle*1, L. J. Giesler1, J. L. Lindquist1, M. L. Bernards2; 1University of Nebraska-Lincoln, Lincoln, NE, 2Western Illinois University, Macomb, IL (129)

 

Protection From Lepidopteran Feeding is Unlikely to Significantly Alter the Weediness Potential of Glycine soja. M. Horak*1, H. Goto2, A. Ahmad1, B. Baltazar1, H. Shimada2, D. Stojšin1, S. Nakai2, A. Arii2, S. Yamane2; 1Monsanto Company, St. Louis, MO, 2Monsanto Company, Tokyo, Japan (130)

 

Soil Moisture Stress Influences Feeding Preference of Grasshopper (Melanoplus sanguinipes) for Hound's-Tongue (Cynoglossum officinale) Leaves. M. Momayyezi, M. B. Isman, M. K. Upadhyaya*; University of British Columbia, Vancouver, BC (131)

 

The CBF/DREB Sub-Family of AP2/ERF Transcription Factors Plays a Role in Endodormancy Maintenance of Leafy Spurge Crown Buds. M. Dogramaci*1, M. E. Foley1, M. J. Christoffers2, W. S. Chao1, J. V. Anderson1; 1USDA-ARS, Fargo, ND, 2North Dakota State University, Fargo, ND (132)

 

Development of Ferality Assessment of Abiotic Stress Tolerant GM Wheat in Japan. . Y. Yoshimura*1, A. Mizuguti2, K. Ohigashi1, T. Nishida3, K. Matsuo1; 1National Institute for Agro-Environmental Sciences, Tsukuba, Japan, 2National Agricultural Research Center Hokuriku Research Center, Jo-etsu, Japan, 3Ministry of Agriculture, Forestry and Fisheries, Tokyo, Japan (133)

 

Pollen Mediated Transfer of Fluazifop-P Resistance in Johnsongrass (Sorghum halepense). T. C. Shauck*, A. A. Schlichenmayer, R. J. Smeda; University of Missouri, Columbia, MO (134)

 

Residual Imazethapyr Degradation in Eastern PNW Silt Loam Soil. J. L. Bell*1, I. C. Burke1, T. Rauch2, D. Thill2, D. A. Ball3, J. Yenish4; 1Washington State University, Pullman, WA, 2University of Idaho, Moscow, ID, 3Oregon State University, Pendleton, OR, 4Dow AgroSciences, Billings, MT (135)

 

Resistance to ACCase-inhibitor Herbicides in Water Foxtail (Alopecurus aequalis). A. M. Ibrahim1, R. Z. Li2, Z. G. You3, L. S. Duan1, Z. H. Li*1; 1China Agricultural Univ, Beijing, Peoples Republic, 2Tianjin Agricultural Univ, Tianjin, Peoples Republic, 3Bayer Crop Science, Beijing, Peoples Republic (136)

 

Identification of Fenoxaprop Resistance in Wild Oat (Avena fatua L.) Populations in Wheat Fields in China. R. Z. Li1, L. S. Duan2, Z. H. Li*2; 1Tianjin Agricultural Univ, Tianjin, Peoples Republic, 2China Agricultural Univ, Beijing, Peoples Republic (137)

 

Growth and Development of Fall and Spring Planted Glyphosate-Resistant and -Susceptible Conyza sp. A. Shrestha*1, K. Steinhauer2, M. Jasieniuk3, B. D. Hanson3; 1California State University, Fresno, CA, 2California State University, Fresno, Fresno, CA, 3University of California, Davis, Davis, CA (138)

 

Fitness Associated with EPSPS Gene Amplification in Glyphosate Resistant Palmer Amaranth. D. A. Giacomini*, P. Westra, S. M. Ward; Colorado State University, Fort Collins, CO (139)




TUESDAY  MORNING    FEBRUARY 7

Section 10. Biocontrol of Weeds

 

*PRESENTER

 

Native Plant Species Recovery 10 Years after Aphthona spp. Biological Agent Release for Leafy Spurge (Euphorbia esula L.) Control. K. Christianson*, C. Setter, R. G. Lym; North Dakota State University, Fargo, ND (140)

 

Make the Most of Your Compost: Impact of Compost Rate and Placement on Suppression of Weed Emergence. C. J. Lowry*, D. C. Brainard; Michigan State University, East Lansing, MI (141)

 

Natural Enemies Associated with Perennial Pepperweed, Lepidium latifolium L., in its Introduced Range. L. Williams*1, K. Tonkel2; 1USDA-ARS, Montpellier, France, 2USDA-ARS, Reno, NV (142)

 

Efficacy of Solvinix LC Application using a Wet-Blade Mower. B. A. Sellers*1, R. Charudattan2, J. Ferrell3, L. Wiggins4; 1University of Florida, Ona, FL, 2BioProdex, Inc., Gainesville, FL, 3University of Florida, Gainesville, FL, 4University of Florida, Labelle, FL (143)

 

Creation of Paddy Levees to Enhance the Ecosystem Service of Weed Seed Predation by Crickets. M. Ichihara*1, K. Matsuno1, H. Inagaki1, C. Saiki1, S. Mizumoto2, S. Yamaguchi2, M. Yamashita2, H. Sawada2; 1Shizuoka Prefectural Research Institute of Agriculture and Forestry, Iwata, Japan, 2Shizuoka University, Shizuoka, Japan (144)

 

Fusarium Oxysporum as a Potential Biocontrol Agent of Johnsongrass Rhizome Production. H. A. Acciaresi*, G. A. Lampugnani, C. Abramoff, M. S. Zuluaga; Fac. Cs. Agrarias y Ftales (UNLP), La Plata, Argentina (145)

 

Mycoflor of Orobanch spicese in Southern Khorasan. A. Mohammadi*; Birjand University, Birjand, Iran (146)




TUESDAY  MORNING    FEBRUARY 7

Section 11. Physiology

 

*PRESENTER

 

Differences in Corn and Soybean Responses to Weed Competition and Red Tarp Treatment. S. A. Clay*1, D. P. Horvath2, S. A. Hansen1, J. Moriles1; 1SDSU, Brookings, SD, 2USDA-ARS, Fargo, ND (147)

 

Drought vs Weed Stress:  Comparison of Corn Gene Expression at Midseason. S. A. Hansen*1, S. A. Clay1, D. E. Clay1, D. P. Horvath2; 1SDSU, Brookings, SD, 2USDA-ARS, Fargo, ND (148)

 

Ecophysiological Responses of Johnsongrass to Corn Water Competition. H. A. Acciaresi*1, M. S. Zuluaga1, C. Weber1, M. E. Yanniccari2; 1Fac. Cs. Agrarias y Ftales (UNLP), La Plata, Argentina, 2Instituto de Fisiología Vegetal (UNLP-CONICET), La Plata, Argentina (149)

 

Metabolic Effects in Corn After Application of Glyphosate and Phosphite. G. L. Gimenes Cotrick Gomes*, C. A. Carbonari, E. D. Velini, M. L. Bueno Trindade; Unesp - Universidade Estadual Paulista, Botucatu, Brazil (150)

 

Glyphosate Effects on Carbon Exchange Rate of Two Lolium perenne L. Populations with Differential Herbicide-Sensitivity. M. E. Yanniccari*1, E. Tambussi1, C. Istilart2, D. Gimenez3, A. M. Castro3; 1Instituto de Fisiología Vegetal (UNLP-CONICET), La Plata, Argentina, 2CEI Barrow (MAA-INTA), Tres Arroyos, Argentina, 3Fac. Cs. Agrarias y Ftales (UNLP), La Plata, Argentina (151)

 

Spectral Reflectance Curves to Distinguish Glyphosate Resistant Weed Biotypes from Susceptible Biotypes. C. Weber1, M. E. Yanniccari2, H. A. Acciaresi*1; 1Fac. Cs. Agrarias y Ftales (UNLP), La Plata, Argentina, 2Instituto de Fisiología Vegetal (UNLP-CONICET), La Plata, Argentina (152)

 

Glyphosate Resistance Mechanism in Waterhemp from Mississippi. V. K. Nandula*1, J. D. Ray1, D. N. Ribeiro2, Z. Pan3, K. N. Reddy1; 1USDA-ARS, Stoneville, MS, 2Mississippi State University, Starkville, MS, 3University of Mississippi, Oxford, MS (153)

 

Confirmation, Control, and Mechanism of ALS-Inhibiting Herbicide Resistance in Rice Flatsedge. D. S. Riar*, J. K. Norsworthy, A. L. Lewis, M. T. Bararpour; University of Arkansas, Fayetteville, AR (154)

 

Relationship Among Factors That Affect Herbicide Efficacy. R. A. Vidal*1, L. F. Cieslik2, M. M. Trezzi2; 1UFRGS, Porto Alegre, Brazil, 2UTFPR, Pato Branco, Brazil (155)




TUESDAY  MORNING    FEBRUARY 7

Section 12. Soil and Environmental Aspects

 

*PRESENTER

 

Plant Succession After Converting Mississippi Delta Cropland to Vegetative Buffers. M. A. Locke*1, R. W. Steinriede2, S. Testa1, C. T. Bryson3; 1USDA, ARS, Oxford, MS, 2USDA, ARS, Stoneville, MS, 3USDA-ARS, Stoneville, MS (156)

 

Quantifying Nitrogen Mineralization from Weed Residue. L. E. Bast*, K. Steinke, D. D. Warncke, W. J. Everman; Michigan State University, East Lansing, MI (157)

 

Effects of the Straw in the Amicarbazone Availability in Soil Solution in Cultivated Areas with Sugarcane. C. A. Carbonari*, E. D. Velini; Unesp - Universidade Estadual Paulista, Botucatu, Brazil (158)

 

Time Dependent Binding of Pyroxasulfone, Dimethenamid and Metolachlor to Four Australian Soils. D. L. Shaner*1, T. A. Gaines2, S. B. Powles2, P. Westra3; 1USDA, Fort Collins, CO, 2University of Western Australia, Crawley, WA, Australia, 3Colorado State University, Fort Collins, CO (159)

 

Sorption-Desorption of Indaziflam in Tropical and Glacial Soils. D. G. Alonso*1, W. C. Koskinen2, R. S. Oliveira Jr.1, J. Constantin1; 1Universidade Estadual de Maringá, Maringá, Brazil, 2USDA-ARS/University of Minnesota, St. Paul, MN (160)

 

Compared Sorption, Desorption and Leaching Potential From Soil of Aminocyclopyrachlor and Picloram . R. S. Oliveira Jr.*1, W. C. Koskinen2, D. G. Alonso1; 1Universidade Estadual de Maringá, Maringá, Brazil, 2USDA-ARS/University of Minnesota, St. Paul, MN (161)

 

Phytoremediation to Reduce Imazethapyr and Imazapic Persistence in Lowland Soil. L. A. Avila*1, K. M. Souto2, M. S. Marques2, S. O. Machado2, G. V. Cassol1, J. P. Refatti1; 1Universidade Federal de Pelotas, Pelotas, Brazil, 2Universidade Federal de Santa Maria, Santa Maria, Brazil (162)

 

Monitoring Spatial Distribution of Enhanced Atrazine Degradation across Northeastern Colorado Cropping Systems. R. Khosla*1, D. L. Shaner2, M. Stromberger1, B. Bosley1, A. Helm3; 1Colorado State University, Fort Collins, CO, 2USDA, Fort Collins, CO, 3Colorado State University, Julesburg, CO (163)

 

Effect of Herbicide on Pseudomonas fluorescens of Soil. A. Mohammadi*; Birjand University, Birjand, Iran (164)




TUESDAY  MORNING    FEBRUARY 7

Section 13. Integrated Weed Management

 

*PRESENTER

 

Weed Control with Cover Crops in Irrigated Potato. G. H. Mehring*, C. P. Auwarter, H. M. Hatterman-Valenti; North Dakota State University, Fargo, ND (165)

 

Cover Crops, Planting Date and Cultivation: Strategies for Weed Management in an Organic Cropping System. C. L. Keene*1, W. Curran2, M. R. Ryan2, S. B. Mirsky3, M. VanGessel4, M. Dempsey2, B. Scott4, L. Young3; 1The Pennsylvania State University, State College, PA, 2The Pennsylvania State University, University Park, PA, 3USDA-ARS, Beltsville, MD, 4University of Delaware, Georgetown, DE (166)

 

Weed Population Dynamics in Corn-Wheat-Cotton Rotation Under Different Tillage and Irrigation Systems. J. Hollingsworth*1, J. Mitchell2, D. Munk3, K. Hembree3, A. Shrestha4; 1California State University, Fresno, Fresno, CA, 2University of California, Davis, Davis, CA, 3University of California Cooperative Extension, Fresno, CA, 4California State University, Fresno, CA (167)

 

In-season Changes (post vs. pre weed control) in Weed Species Richness and Density Vary with Tillage in Herbicide-free Corn and Soybean. A. Legere*1, C. Stevenson2, A. Vanasse3; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2Private Consultant, Saskatoon, SK, 3Université Laval, Québec, QC (168)

 

Row Versus Inter-rows Weed Cover in Rainfed Corn Fields. L. Longchamps*1, B. Panneton2, M. Simard3, G. D. Leroux4; 1Universite Laval, Quebec, QC, 2Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, QC, 3Agriculture and Agri-Food Canada, Quebec, QC, 4Université Laval, Quebec, QC (169)

 

Fusarium Head Blight in Low-Input Conservation Tillage Bread Wheat: The Potentially Positive Impact of Weeds. H. Munger1, A. Vanasse2, S. Rioux3, N. Bourget3, A. Legere*4; 1Département de phytologie, Québec, QC, 2Université Laval, Québec, QC, 3CEROM, Québec, QC, 4Agriculture and Agri-Food Canada, Saskatoon, SK (170)

 

Weed Management for Perennial Grasses Grown for Biofuel. J. O'Sullivan*, R. Van Acker, R. Grohs, R. Riddle; University of Guelph, Simcoe, ON (171)

 

Weed Seed Decay as Affected by Depth and Duration of Seed Burial . M. V. Bagavathiannan*1, J. K. Norsworthy1, K. L. Smith2; 1University of Arkansas, Fayetteville, AR, 2University of Arkansas, Monticello, Monticello, AR (172)

 

Influence of a Rice-Duck Farming System on the Weed Seed Bank in Paddy Fields. W. Bai1, J. Zhang1, R. Chen1, G. Quan1, Z. Qin*1, A. DiTommaso2; 1South China Agricultural University, Guangzhou, Peoples Republic, 2Cornell University, Ithaca, NY (173)

 

Influence of “One rice two ducks” Farming System on the Composition and Diversity of Weed Communities in Paddy Fields. Z. Qin*1, T. Lin1, J. Zhang1, W. Bai1, G. Quan1, H. Li1, A. DiTommaso2; 1South China Agricultural University, Guangzhou, Peoples Republic, 2Cornell University, Ithaca, NY (174)

 

Invasive Weed Mapping of Lebanon. M. A. Haidar*, A. H. Sabra; American University of Beirut, Beirut, Lebanon (175)

 

Multiple Resistance Issues Within Kentucky Waterhemp Populations. B. P. Patton*1, W. Witt1, J. R. Martin2; 1University of Kentucky, Lexington, KY, 2University of Kentucky, Princeton, KY (176)

 

Glyphosate Dose-Response Relationships in Weeds are Affected by the Soil Biota. J. R. Schafer*, W. G. Johnson, S. G. Hallett; Purdue University, West Lafayette, IN (177)

 

Sustainable Glufosinate Use Recommendations for Liberty Link Crops. T. W. Kleven*1, J. Bloomberg2, M. Hess3, H. J. Strek3, J. Allen2, W. Mullins4; 1Bayer CropScience, Lake Park, MN, 2Bayer CropScience, Research Triangle Park, NC, 3Bayer CropScience, Frankfurt, Germany, 4Bayer CropScience, Collierville, TN (178)

 

A Confounding Effect of Ammonium Toxicity on Bioassay Detection of Thiencarbazone in Soil. A. M. Szmigielski*1, J. J. Schoenau1, E. N. Johnson2, F. A. Holm1; 1University of Saskatchewan, Saskatoon, SK, 2Agriculture and Agri-Food Canada, Scott, SK (179)




TUESDAY  MORNING    FEBRUARY 7

Non-Chemical Weed Management in Reduced Tillage Systems

LOCATION:   Kings 1 & 2
TIME:   7:30 AM - 12:00 PM
CHAIR:   Daniel Brainard
    Michigan State University
    East Lansing, MI
MODERATOR:   Daniel Brainard
    Michigan State University
    East Lansing, MI

 

*SPEAKER

 

7:30   Introduction

 

7:35   Overcoming Weed Management Challenges in Cover Crop-Based, Organic Rotational No-Till Corn and Soybean in the Mid-Atlantic Region. S. B. Mirsky*1, C. Reberg-Horton2, W. Curran3, M. R. Ryan3, J. R. Teasdale1, S. M. Wells2; 1USDA-ARS, Beltsville, MD, 2North Carolina State University, Raleigh, NC, 3The Pennsylvania State University, University Park, PA (180)

 

8:05   Extreme Cropping Systems: When Herbicide-Free Weed Management Meets Conservation Tillage in Northern Climates. A. Legere*1, A. Vanasse2, S. Shirtliffe3; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2Université Laval, Québec, QC, 3University of Saskatchewan, Saskatoon, SK (181)

 

8:35   Cover crop use for weed management in Southern reduced-tillage vegetable cropping systems. J. K. Norsworthy*1, A. Price2; 1University of Arkansas, Fayetteville, AR, 2USDA-ARS, Auburn, AL (182)

 

9:05   Weed Ecology and Management Under Strip-Tillage:  Experiences from Northern U.S. Vegetable Cropping Systems. D. C. Brainard*1, E. Haramoto1, A. Rangarajan2, J. Luna3, E. Peachey3; 1Michigan State University, East Lansing, MI, 2Cornell University, Ithaca, NY, 3Oregon State University, Corvallis, OR (183)

 

9:35   Break

 

9:50   European Perspectives on the Adoption of Non-Chemical Weed Management in Reduced Tillage Systems for Arable Crops. B. Melander*1, N. Munier-Jolain2, J. Schwarz3, R. Charles4, J. Wirth4, R. van der Weide5, P. Kryger Jensen1, P. Nielsen Kudsk1; 1Aarhus University, Research Center Flakkebjerg, Slagelse, Denmark, 2INRA, Dijon Cedex, France, 3Julius Kühn-Institute (JKI), Kleinmachnow, Germany, 4Station de recherche Agroscope Changins-Wädenswil ACW, Nyon, Switzerland, 5Applied Plant Research, Lelystad, Netherlands (184)

 

10:20   Ecological Weed Management in Conservation-Till Rice-Wheat Cropping Systems of the Indo-Gangetic Plains. V. Kumar*1, S. Singh2, R. S. Chhokar3, R. Malik4, J. K. Ladha1; 1International Rice Research Institute, New Delhi, India, 2Regional Research Station, CCS Haryana Agricultural University, Karnal, Karnal, India, 3Directorate of Wheat Research (DWR), Karnal, Karnal, India, 4IRRI/CIMMYT, NASC Complex, Pusa, New Delhi, New Delhi, India (185)

 

10:50   Weed Competition and Conservation Agriculture for Smallholders:  Insights from Maize Systems in the Hills of Nepal. T. Karki1, A. McDonald2, A. S. Davis*3; 1Tribhuvan University, Rampur, Nepal, 2CIMMYT, Kathmandu, Nepal, 3USDA-ARS, Urbana, IL (186)

 

11:20   Summary and Discussion




TUESDAY  MORNING    FEBRUARY 7

Section 1. Agronomic Crops

LOCATION:   Queens 4 & 5
TIME:   7:30 AM - 12:00 PM
CHAIR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN
MODERATOR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN

 

*SPEAKER

 

7:30   Influence of Postemergence Applications of Acetochlor and Pyroxasulfone on Soybean Injury and Yield. B. S. Waggoner*, J. D. Wait, E. B. Riley, T. R. Legleiter, K. W. Bradley; University of Missouri, Columbia, MO (187)

 

7:45   Weed Control Results With the MON 87708 System in Soybeans in Canada. B. Legassicke*; Monsanto Canada Inc, Cambridge, ON (188)

 

8:00   Development of Next Generation Herbicide Tolerant Soybean Traits to Enable Enhanced Weed Management. B. Miller*1, B. S. Manley2, K. Terpstra3, G. D. Vail4, A. Silverstone5, J. Allen6, J. Fischer7, J. Hinz8, J. Bloomberg6; 1Syngenta Seeds, Inc., Minnetonka, MN, 2Syngenta Biotechnology, Inc., Research Triangle Park, NC, 3Syngenta Seeds, Inc., Clinton, IL, 4Syngenta, Greensboro, NC, 5Syngenta Seeds, Inc., Research Triangle Park, NC, 6Bayer CropScience, Research Triangle Park, NC, 7Bayer CropScience, Middleton, WI, 8Bayer CropScience, Story City, IA (189)

 

8:15   Introducing a New Soybean Event with Glyphosate and HPPD Tolerance. J. Allen*1, J. Hinz2, R. Essner1, J. Fischer3, S. Van Wert4; 1Bayer CropScience, Research Triangle Park, NC, 2Bayer CropScience, Story City, IA, 3Bayer CropScience, Middleton, WI, 4Bayer CropScience, Monheim, Germany (190)

 

8:30   Selectivity of Glyphosate and HPPD Inhibiting Herbicides in a New Soybean Event. J. Hinz*1, J. Allen2, F. Arnold3, B. DeWeese4, J. Hora5, D. Doran6; 1Bayer CropScience, Story City, IA, 2Bayer CropScience, Research Triangle Park, NC, 3Bayer CropScience, Champaign, IL, 4Bayer CropScience, Marshall, MI, 5Bayer CropScience, Maquoketa, IA, 6Bayer CropScience, Brownsburg, IN (191)

 

8:45   Enlist Soybean Crop Tolerance and Weed Control with 2,4-D+Glufosinate Tolerance. M. A. Peterson*1, R. B. Lassiter2, D. M. Simpson1, J. M. Ellis3; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences, Little Rock, AR, 3Dow AgroSciences, Smithville, MO (192)

 

9:00   Enlist Soybean Weed Control with 2,4-D+Glyphosate. J. M. Ellis*1, B. W. Hopkins2, L. C. Walton3, J. A. Huff4; 1Dow AgroSciences, Smithville, MO, 2Dow AgroSciences, Westerville, OH, 3Dow AgroSciences, Tupelo, MS, 4Dow AgroSciences, Herrin, IL (193)

 

9:15   Effect of Saflufenacil Application Timing on Soybean and its Role in Managing Glyphosate-Resistant Horseweed (Conyza canadensis). J. T. Ikley*, R. L. Ritter; University of Maryland, College Park, MD (194)

 

9:30   The Effect of Row Spacing on Weed Pressure, Yield and Economics in Soybean. J. M. Orlowski*, W. J. Cox, A. DiTommaso, W. A. Knoblauch; Cornell University, Ithaca, NY (195)

 

9:45   Break

 

10:00   A Comparison of Conventional and RoundupReady Soybean Isolines for Weed Control and Yield. B. L. Gaban*1, L. E. Steckel2, T. C. Mueller1; 1University of Tennessee, Knoxville, TN, 2University of Tennessee, Jackson, TN (196)

 

10:15   Weed Management Programs for Glufosinate-Tolerant Soybeans. A. M. Knight*1, M. Rosemond2, T. Besancon1, R. E. Paynter1, J. D. Hinton1, W. J. Everman3; 1North Carolina State University, Raleigh, NC, 2Bayer CropScience, Raleigh, NC, 3Michigan State University, East Lansing, MI (197)

 

10:30   Glyphosate-Resistant Palmer Amaranth Management in No-till Soybeans. W. J. Everman*1, T. Besancon2, J. D. Hinton2, R. E. Paynter2; 1Michigan State University, East Lansing, MI, 2North Carolina State University, Raleigh, NC (198)

 

10:45   Evaluation of Preplant Herbicide Options for the Control of Glyphosate-Resistant Giant Ragweed (Ambrosia trifida) in Glyphosate-and Glufosinate-Resistant Soybeans. E. B. Riley*1, D. J. Spaunhorst2, B. D. Craigmyle1, T. R. Legleiter1, J. D. Wait1, K. W. Bradley1; 1University of Missouri, Columbia, MO, 2University of Missouri, Columbia, Columbia, MO (199)

 

11:00   Yield Advantage Potential with Intensive Pest Management Programs in Soybean. D. E. Westberg*1, N. T. Fassler2; 1BASF Corporation, Cary, NC, 2BASF Corporation, Chicago, IL (200)

 

11:15   Interplant Competition in Midwest Indeterminate Soybean Production. V. M. Davis*; University of Wisconsin, Madison, WI (201)

 

11:30   Magnitude of Visual Response and Effect on Yield from Cross Contamination by Glufosinate-ammonium or Glyphosate on Soybean (Glycine max) Without the Respective Herbicide Tolerance Trait. B. D. Philbrook*1, D. Bohannan2, J. Allen3; 1Bayer CropScience, Seymour, IL, 2Bayer CropScience, Athens, IL, 3Bayer CropScience, Research Triangle Park, NC (202)

 

11:45   Management of Glyphosate-resistant Waterhemp and Giant Ragweed with Dicamba in Dicamba-resistant Soybeans. K. W. Bradley*1, D. J. Spaunhorst2, S. Seifert-Higgins3; 1University of Missouri, Columbia, MO, 2University of Missouri, Columbia, Columbia, MO, 3Monsanto Company, St. Louis, MO (203)




TUESDAY  MORNING    FEBRUARY 7

Section 2. Horticultural Crops

LOCATION:   Kona Ballroom 5
TIME:   7:30 AM - 12:15 PM
CHAIR:   Andrew MacRae
    University of Florida/IFAS
    Wimauma, FL
MODERATOR:   Andrew MacRae
    University of Florida/IFAS
    Wimauma, FL

 

*SPEAKER

 

7:30   Effect of Application Timing on Efficacy of Indaziflam. D. Unland*1, M. Edenfield2, R. Allen3; 1Bayer CropScience, Research Triangle Park, NC, 2Bayer CropScience, Lake Wales, FL, 3Bayer CropScience, Roseville, CA (204)

 

7:45   Annual and Perennial Weed Control in Tree Fruit with Indaziflam, Flumioxazin, Rimsulfuron, Halosulfuron, and Flazasulfuron. R. V. Tocco Jr.*, B. H. Zandstra; Michigan State University, East Lansing, MI (205)

 

8:00   Impact of Fertility and Weed Management Intensity on Plant Diversity and Wild Blueberry Clonal Spread in an Early Establishment Field. N. S. Boyd*; Nova Scotia Agricultural College, Truro, NS (206)

 

8:15   Effects of Caneburning Herbicides on Red Raspberry in the Pacific Northwest. Y. Duan*1, T. W. Miller2; 1Washington State University, Pullman, WA, 2Washington State University, Mount Vernon, WA (207)

 

8:30   Testing of Several Herbicides for Use in Tulip, Daffodil, and Bulbous Iris. T. W. Miller*, C. R. Libbey; Washington State University, Mount Vernon, WA (208)

 

8:45   Use of Cover Crops to Suppress Weeds in Organic Tomato Production. R. A. Butler*, S. M. Brouder, W. G. Johnson, K. Gibson; Purdue University, West Lafayette, IN (209)

 

9:00   Crop Rotation and Weed Management Intensity Effects on Weed Populations in a Multi-Year Study. C. A. Benedict*1, R. Bellinder2, D. C. Brainard3; 1Washington State University, Bellingham, WA, 2Cornell University, Ithaca, WA, 3Michigan State University, East Lansing, MI (210)

 

9:15   Impact of Fallow Weed Management and Fumigant on Cyperus sp. Populations in Plasticulture Tomato. C. Alves*1, A. W. MacRae2, C. J. Hunnicutt1, T. P. Jacoby1; 1University of Florida, Balm, FL, 2University of Florida/IFAS, Wimauma, FL (211)

 

9:30   Management of Yellow Nutsedge, Cyperus esculentus, and Other Weeds with Reduced Fumigant Rates in Combination with Totally Impermeable Film Mulch . J. Freeman*, T. McAvoy; Virginia Tech University, Painter, VA (212)

 

9:45   Break

 

10:00   Effect of Drip Applied Herbicides on Plasticulture Pepper and Yellow Nutsedge Control. P. J. Dittmar*1, D. W. Monks2, K. M. Jennings2; 1University of Florida, Gainesville, FL, 2North Carolina State University, Raleigh, NC (213)

 

10:15   Annual Strawberry Tolerance to Clopyralid Applied During Fruiting Stage. C. J. Hunnicutt*1, A. W. MacRae2, T. P. Jacoby1, C. Alves1; 1University of Florida, Balm, FL, 2University of Florida/IFAS, Wimauma, FL (214)

 

10:30   Response of Sweet Corn to Pyroxasulfone in High Organic Matter Soils. D. C. Odero*; University of Florida, Belle Glade, FL (215)

 

10:45   New Solutions for the Control of Herbicide Resistant Pigweed in Carrots. C. J. Swanton*1, K. Chandler1, K. Callow2; 1University of Guelph, Guelph, ON, 2Ontario Ministry of Agriculture, Food and Rural Affairs, Guelph, ON (216)

 

11:00   Response of Direct-Seeded dry Bulb Onion to Simulated Glyphosate Drift with Variable Rates and Application Timings. J. Felix*1, R. A. Boydston2, I. C. Burke3; 1Oregon State University, Ontario, OR, 2USDA-ARS, Prosser, WA, 3Washington State University, Pullman, WA (217)

 

11:15   Response of Processing Tomato to Simulated Glyphosate Drift Followed by In-crop Metribuzin Application. K. E. McNaughton*, P. H. Sikkema, D. E. Robinson; University of Guelph, Ridgetown, ON (218)

 

11:30   Tolerance of Tomato to Root Uptake of Carfentrazone. T. P. Jacoby*1, A. W. MacRae2, C. Alves1, A. Crespo1, C. J. Hunnicutt1; 1University of Florida, Balm, FL, 2University of Florida/IFAS, Wimauma, FL (219)

 

11:45   Determination of Paraquat Injury Via Root Uptake in Tomato. A. W. MacRae*1, C. J. Hunnicutt2, C. Alves2, T. P. Jacoby2, R. Kelly1; 1University of Florida/IFAS, Wimauma, FL, 2University of Florida, Balm, FL (220)

 

12:00   Section Business Meeting




TUESDAY  MORNING    FEBRUARY 7

Section 5. Wildland and Aquatic Invasive Plants

LOCATION:   Kona 1 & 2
TIME:   7:30 AM - 12:00 PM
CHAIR:   Sarah True Meadows
    North Carolina State University
    Raleigh, NC
MODERATOR:   Sarah True Meadows
    North Carolina State University
    Raleigh, NC

 

*SPEAKER

 

7:30   Monoecious Hydrilla Phenology on Two North Carolina Lakes. S. Meadows*, R. J. Richardson; North Carolina State University, Raleigh, NC (221)

 

7:45   Relationships between Aquatic Herbicide Formulation, Uptake, and Dissipation, and Influence on Selective, Targeted Management of Aquatic Invasive Plants. M. A. Heilman*1, T. J. Koschnick1, J. D. Vassios2; 1SePRO Corporation, Carmel, IN, 2Colorado State University, Fort Collins, CO (222)

 

8:00   Pampas Grass (Cortaderia jubata & C. selloana):  Challenges & Results of Control Efforts on Maui, Hawaii, 2006 - 2011. B. V. Mahnken*1, T. Penniman2, S. M. Miller1, M. P. Ade1; 1Maui Invasive Species Committee, Makawao, HI, 2Maui Invasive Species Council, Maui, HI (223)

 

8:15   Miconia (Miconia calvescens): A Prognosis for Containment and Eradication on Maui, Hawaii. J. Gooding*1, R. Beard2, J. Leary3, B. V. Mahnken4; 1National Park Service, Pukalani, HI, 2National Park Service, Fort Collins, CO, 3University of Hawaii, Kula, HI, 4Maui Invasive Species Committee, Makawao, HI (224)

 

8:30   Calibrating the Herbicide Ballistic Technology (HBT) Helicopter Platform for Targeting Incipient Miconia (Miconia calvescens) Populations in Remote Watersheds of Hawaii. J. Leary*1, J. Gooding2, A. Radford3, J. Chapman4, B. V. Mahnken5; 1University of Hawaii, Kula, HI, 2National Park Service, Pukalani, HI, 3Maui Invasive Species Committee, Piiholo, HI, 4Kauai Invasive Species Committee, Kapaa, HI, 5Maui Invasive Species Committee, Makawao, HI (225)

 

8:45   How Do We Structure Ground-based Surveys to Detect New Populations of Invasive Plants? T. Prather*, B. Shafii, L. W. Lass, W. J. Price; University of Idaho, Moscow, ID (226)

 

9:00   Developing Cost-Effective Early Detection Networks: A Regional Model. M. J. Renz*1, A. W. Crall2, B. Panke1, G. J. Newman3, J. Graham3, C. Chapin4, C. Bargeron5; 1University of Wisconsin Madison, Madison, WI, 2University of Wisconsin, Charlottesville, VA, 3Colorado State University, Fort Collins, CO, 4National Park Service, Ashland, WI, 5University of Georgia, Tifton, GA (227)

 

9:15   Using Habitat Suitability Models to Prioritize Invasive Plant Species Surveys. A. W. Crall*1, B. Panke2, M. J. Renz2, C. Jarnevich3; 1University of Wisconsin, Charlottesville, VA, 2University of Wisconsin Madison, Madison, WI, 3United States Geological Survey, Fort Collins, CO (228)

 

9:30   Break

 

9:45   Assessing Relative Risk of Invasion Pathways of Invasive Plants in Alaska. J. S. Conn*; USDA-ARS, Fairbanks, AK (229)

 

10:00   Eradication Strategies for Potential Escapes in Bioenergy Production. R. K. Bethke*1, J. N. Barney2, S. F. Enloe1; 1Auburn University, Auburn, AL, 2Virginia Tech, Blacksburg, VA (230)

 

10:15   Ecological, Economic, and Societal Threats Posed by the Invasive N-Fixing Weed Tree, Falcataria Moluccana (albizia), in the Pacific Islands: What Should and Can Be Done? F. Hughes*1, T. Togia2, J. Leary3; 1USDA Forest Service, Hilo, HI, 2National Park of American Samoa, Pago Pago, AS, 3University of Hawaii, Kula, HI (231)

 

10:30   Exotic Earthworms and Plant Communities in Indiana Forests. K. Gibson*, P. M. Quackenbush, M. Jenkins, E. Kladivko, N. Emery; Purdue University, West Lafayette, IN (232)

 

10:45   Chinese Privet Response to Basal Bark Herbicide Treatments. S. F. Enloe*, S. E. O'Sullivan; Auburn University, Auburn, AL (233)

 

11:00   Beach Vitex: The Plant, The Problem and Our Research. T. Whitwell*, J. A. Briggs, M. M. Cousins; Clemson University, Clemson, SC (234)

 

11:15   Buffelgrass (Pennisetum ciliare) Sensitivity to Glyphosate and Graminicides: Greenhouse Experiments. W. B. McCloskey*1, D. Backer2; 1University of Arizona, Tucson, AZ, 2Saguaro National Park, Tucson, AZ (235)

 

11:30   Novel Chemicals Contribute to the Invasion Success of Ageratina adenophora. D. Bajpai*, I. Singh; University of Delhi, New Delhi, India (236)

 

11:45   Section Business Meeting




TUESDAY  MORNING    FEBRUARY 7

Section 9. Weed Biology and Ecology

LOCATION:   Kona Ballroom 4
TIME:   7:30 AM - 11:30 AM
CHAIR:   Rob Nurse
    Agriculture and Agri-Food Canada
    Harrow, ON
MODERATOR:   Rob Nurse
    Agriculture and Agri-Food Canada
    Harrow, ON

 

*SPEAKER

 

7:30   Confirmation of a 2,4-D Resistant Waterhemp (Amaranthus tuberculatus) Population in Nebraska. M. L. Bernards*1, R. J. Crespo2, G. R. Kruger3, R. E. Gaussoin2, P. J. Tranel4; 1Western Illinois University, Macomb, IL, 2University of Nebraska-Lincoln, Lincoln, NE, 3University of Nebraska-Lincoln, North Platte, NE, 4University of Illinois, Urbana, IL (237)

 

7:45   Multiple Herbicide Resistance Mechanisms in Echinochloa crus-galli. M. B. Batoy*, T. Tseng, N. R. Burgos; University of Arkansas, Fayetteville, AR (238)

 

8:00   Flufenacet Resistant Italian Ryegrass Populations are not Resistant to Pyroxasulfone. C. Mallory-Smith*, A. G. Hulting, D. Curtis, M. Liu; Oregon State University, Corvallis, OR (239)

 

8:15   Glyphosate Resistant and Susceptible Biotypes of Three Weed Species Respond Differently to Glyphosate and Soil Microbes. J. R. Schafer*, W. G. Johnson, S. G. Hallett; Purdue University, West Lafayette, IN (240)

 

8:30   Growth and Development of Glyphosate-resistant and -susceptible Hairy Fleabane (Conyza bonariensis) Populations of California. A. Shrestha*1, K. Steinhauer2, M. L. Moretti1, B. D. Hanson3, M. Jasieniuk3; 1California State University, Fresno, CA, 2California State University, Fresno, Fresno, CA, 3University of California, Davis, Davis, CA (241)

 

8:45   Glyphosate-resistant (GR) Conyza canadensis in Field Margins of Cropping Systems with the GR Trait. K. L. Gage*, J. M. Matthews, B. G. Young, D. J. Gibson; Southern Illinois University, Carbondale, IL (242)

 

9:00   Are Transposable Elements Involved in epsps Amplification in Glyphosate-resistant Amaranthus palmeri? W. Molin*, A. A. Wright; USDA-ARS, Stoneville, MS (243)

 

9:15   Resilience of Plant Communities to Invasive Plant Impacts: The Potential Moderating Effects of Plant and Seedbank Diversity, Composition and Abundance. T. C. Skurski*, L. J. Rew, B. D. Maxwell; Montana State University, Bozeman, MT (244)

 

9:30   Break

 

9:45   Emergence and Development of Red Sorrel (Rumex acetosella L.) and Wild Blueberry (Vaccinium angustifolium Ait.) Ramets in Nova Scotia, Canada. S. N. White*1, N. C. Boyd2, R. Van Acker3, C. J. Swanton4, S. Newmaster4; 1University of Guelph, Truro, NS, 2Nova Scotia Agricultural College, Truro, NS, 3University of Guelph, Simcoe, ON, 4University of Guelph, Guelph, ON (245)

 

10:00   Overwintering Survival of Canada fleabane (Conyza canadensis) in a Changing Climate. E. Tozzi*; University Of Guelph, Guelph, ON (246)

 

10:15   Thermal, Hydro- and Oxygen Time Describe Dormancy, Germination and Emergence of Herbicide-resistant and -susceptible Echinochloa phyllopogon. L. G. Boddy*, K. J. Bradford, A. J. Fischer; University of California, Davis, Davis, CA (247)

 

10:30   Seed Dormancy in Weedy Red Rice: Dormancy Variation, Genetic Diversity, and Dormancy Genes. T. Tseng*1, N. R. Burgos1, E. L. Alcober1, V. K. Shivrain2; 1University of Arkansas, Fayetteville, AR, 2Syngenta, Greensboro, NC (248)

 

10:45   Flowering Synchrony of Grain Sorghum and Shattercane. J. J. Schmidt*1, J. F. Pedersen2, M. L. Bernards3, A. J. Lorenz1, J. L. Lindquist1; 1University of Nebraska-Lincoln, Lincoln, NE, 2USDA-ARS, University of Nebraska-Lincoln, Lincoln, NE, 3Western Illinois University, Macomb, IL (249)

 

11:00   Attack of the Knotweed Rhizomes: How Many, How Fast, How Far? J. Dauer*1, E. Jongejans2; 1Michigan State University, East Lansing, MI, 2Radboud University Nijmegen, Nijmegen, Netherlands (250)

 

11:15   Non-native Plant Species in Mountain Systems: A Case Study of Linaria dalmatica. F. W. Pollnac*, B. D. Maxwell, M. Lavin, M. Taper, L. J. Rew; Montana State University, Bozeman, MT (251)




TUESDAY  AFTERNOON    FEBRUARY 7

Section 1. Agronomic Crops

LOCATION:   Queens 4 & 5
TIME:   1:00 PM - 5:00 PM
CHAIR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN
MODERATOR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN

 

*SPEAKER

 

1:00   Cultivance Soybean Production System - A New Tool for Soybean Weed Control in South America. D. R. Carlson*1, L. Louzano2, B. Luzzi1, A. Ulbrich2, D. Contri2, M. Ismael2, F. Mariscal3, R. Sandhu3, M. Scott1, J. Stevenson-Paulik1, E. Rech4, F. J. Aragao4, C. Arabal5; 1BASF Plant Science LP, Research Triangle Park, NC, 2BASF South America, Sao Paulo, Brazil, 3BASF Corporation, Research Triangle Park, NC, 4Embrapa, Brasilia, Brazil, 5Embrapa, Londrina, Brazil (252)

 

1:15   Investigations of the Timing of Sequential Dicamba Application on Glyphosate-Resistant Giant Ragweed and Waterhemp. D. J. Spaunhorst*1, S. Seifert-Higgins2, E. B. Riley3, B. D. Craigmyle3, T. R. Legleiter3, J. D. Wait3, K. W. Bradley3; 1University of Missouri, Columbia, Columbia, MO, 2Monsanto Company, St. Louis, MO, 3University of Missouri, Columbia, MO (253)

 

1:30   Yield Advantage Potential with Intensive Pest Management Programs in Corn. D. E. Westberg*1, N. T. Fassler2; 1BASF Corporation, Cary, NC, 2BASF Corporation, Chicago, IL (254)

 

1:45   Why Early Season Weed Control is Important in Maize. E. Page1, D. Cerrudo1, E. P. Westra2, M. Loux3, K. L. Smith4, C. L. Foresman5, H. Wright6, C. J. Swanton*1; 1University of Guelph, Guelph, ON, 2Colorado State University, Fort Collins, CO, 3The Ohio State University, Columbus, OH, 4University of Arkansas, Monticello, Monticello, AR, 5Syngenta, Greensboro, NC, 6Syngenta Crop Protection Canada Inc, Guelph, ON (255)

 

2:00   Enlist Corn Tolerance and Weed Control with PRE Followed by POST Herbicide Programs. . E. F. Scherder*1, S. C. Ditmarsen2, C. A. Gallup3, P. L. Prasfika4, M. W. Melichar5; 1Dow AgroSciences, Huxley, IA, 2Dow AgroSciences, Madison, WI, 3Dow AgroSciences, Davenport, IA, 4Dow AgroSciences, West Fargo, ND, 5Dow AgroSciences, Indianapolis, IN (256)

 

2:15   Enlist Corn Tolerance and Yield to 2,4-D and Glyphosate Applications. D. C. Ruen*1, S. C. Ditmarsen2, E. F. Scherder3, B. W. Hopkins4, J. A. Huff5; 1Dow AgroSciences, Lanesboro, MN, 2Dow AgroSciences, Madison, WI, 3Dow AgroSciences, Huxley, IA, 4Dow AgroSciences, Westerville, OH, 5Dow AgroSciences, Herrin, IL (257)

 

2:30   Glyphosate Resistant Canada Fleabane in Ontario. P. H. Sikkema*1, N. Soltani1, F. J. Tardif2; 1University of Guelph, Ridgetown, ON, 2University of Guelph, Guelph, ON (258)

 

2:45   Break

 

3:00   Glyphosate-resistant Goosegrass Confirmed in Tennessee:  Potential Implications and Control Options for Soybean. K. A. Barnett*1, T. C. Mueller2, J. T. Brosnan2, L. E. Steckel1; 1University of Tennessee, Jackson, TN, 2University of Tennessee, Knoxville, TN (259)

 

3:15   Tall Waterhemp (Amaranthus tuberculatus) Biotypes Resistant To HPPD-Inhibiting  Herbicides. P. McMullan*1, M. DeFelice1, J. M. Green2; 1Pioneer Hi-Bred, Johnston, IA, 2Pioneer Hi-Bred, Newark, DE (260)

 

3:30   Correlation Between Field Management Practices and Glyphosate Resistance in Waterhemp Populations from Missouri. K. K. Rosenbaum*, E. B. Riley, J. D. Wait, K. W. Bradley; University of Missouri, Columbia, MO (261)

 

3:45   Control of Glyphosate-resistant Italian ryegrass with Sequential Herbicide Programs in Mississippi. T. W. Eubank*, J. A. Bond, R. C. Bond; Mississippi State University, Stoneville, MS (262)

 

4:00   PowerFlex® (Pyroxsulam):  A Five Year Overview of Weed Control Research Across U.S. in Winter Wheat. L. C. Walton*1, D. Cummings2, R. Gast3, J. A. Huff4, B. D. Olson5, J. Yenish6, H. Yoshida7; 1Dow AgroSciences, Tupelo, MS, 2Dow AgroSciences, Perry, OK, 3Dow AgroSciences, Indianapolis, IN, 4Dow AgroSciences, Herrin, IL, 5Dow AgroSciences, Geneva, NY, 6Dow AgroSciences, Billings, MT, 7Dow AgroSciences, Richland, WA (263)

 

4:15   Utilization of Propoxycarbazone Applied Preemergence for the Management of Brome Species in Wheat. S. R. King*1, M. D. Paulsgrove2, K. B. Thorsness3, T. Castillo4, M. C. Smith3, B. E. Ruden5, C. Hicks6, G. Hudec7, M. D. Anderson8, D. Maruska9, M. A. Wrucke10; 1Bayer CropScience, Huntley, MT, 2Bayer CropScience, RTP, NC, 3Bayer CropScience, Fargo, ND, 4Bayer CropScience, Alma, KS, 5Bayer CropScience, Bruce, SD, 6Bayer CropScience, Ft. Collins, CO, 7Bayer CropScience, Manhattan, KS, 8Bayer CropScience, Spangle, WA, 9Bayer CropScience, Warren, MN, 10Bayer CropScience, Farmington, MN (264)

 

4:30   Herbicide Programs for Control of Italian Ryegrass (Lolium multiflorum Lam.) in Winter Wheat. M. W. Marshall*; Clemson University, Blackville, SC (265)

 

4:45   Preemergence Herbicide Evaluation in Spring Wheat. A. E. Hall*, K. A. Howatt; NDSU, Fargo, ND (266)




TUESDAY  AFTERNOON    FEBRUARY 7

Section 7. Education and Extension

LOCATION:   Kona Ballroom 5
TIME:   1:00 PM - 4:45 PM
CHAIR:   Darrin Dodds
    Mississippi State University
    Mississippi State, MS
MODERATOR:   Darrin Dodds
    Mississippi State University
    Mississippi State, MS

 

*SPEAKER

 

1:00   Using the Internet to Deliver County Extension Programs. E. P. Prostko*1, R. J. Byrne2, N. R. Edwards3; 1University of Georgia, Tifton, GA, 2Thomas County Cooperative Extension, Thomasville, GA, 3Walker County Cooperative Extension, LaFayette, GA (267)

 

1:15   Using Social Media to Deliver Timely Information. A. L. Catchot*, D. M. Dodds; Mississippi State University, Mississippi State, MS (268)

 

1:30   Determining the Impact of Electronic Information Delivery. D. M. Dodds*, A. L. Catchot; Mississippi State University, Mississippi State, MS (269)

 

1:45   Lessons Learned from a Malicious Tree Poisoning: A Case Study of Toomer's Oaks. S. F. Enloe*; Auburn University, Auburn, AL (270)

 

2:00   Economic Importance of Glyphosate Resistant Weeds. I. M. Heap*; WeedSmart, Corvallis, OR (271)

 

2:15   Herbicide Resistance Education - A Critical Step in Proactive Management. J. M. Stachler*1, J. K. Soteres2, W. J. Everman3, L. Glasgow4, D. R. Shaw5, J. Schroeder6, F. J. Tardif7, L. Ingegneri8; 1North Dakota State University and University of Minnesota, Fargo, ND, 2Monsanto Company, St. Louis, MO, 3Michigan State University, East Lansing, MI, 4Syngenta Crop Protection, Greensboro, NC, 5Mississippi State University, Mississippi State, MS, 6New Mexico State University, Las Cruces, NM, 7University of Guelph, Guelph, ON, 8WSSA, Longmont, CO (272)

 

2:30   Herbicide Resistant Weeds and Management - the Disconnect Continues. M. D. Owen*; Iowa State University, Ames, IA (273)

 

2:45   Break

 

3:00   Academic Recommendations for Proactive and Reactive Herbicide Resistance Management Strategies in Glyphosate-Resistant Crops. B. G. Young*; Southern Illinois University, Carbondale, IL (274)

 

3:15   Benchmark Study: Influence of Tillage System on Herbicide Resistance Management Strategies. B. G. Young*1, J. L. Matthews1, R. G. Wilson2, W. J. Everman3, D. L. Jordan4, P. M. Dixon5, M. D. Owen5, S. C. Weller6, D. R. Shaw7; 1Southern Illinois University, Carbondale, IL, 2University of Nebraska, Scottsbluff, NE, 3Michigan State University, East Lansing, MI, 4North Carolina State University, Raleigh, NC, 5Iowa State University, Ames, IA, 6Purdue University, West Lafayette, IN, 7Mississippi State University, Mississippi State, MS (275)

 

3:30   Dicamba: A Highly Effective Weed Management Tool. J. Frihauf*1, W. E. Thomas1, S. J. Bowe1, L. L. Bozeman2; 1BASF Corporation, Research Triangle Park, NC, 2BASF, Raleigh, NC (276)

 

3:45   Stewardship of Dicamba in Dicamba Tolerant Cropping Systems. W. E. Thomas*1, S. J. Bowe1, L. L. Bozeman2, S. Murdock3, J. Sandbrink3; 1BASF Corporation, Research Triangle Park, NC, 2BASF, Raleigh, NC, 3Monsanto, St. Louis, MO (277)

 

4:00   Does Row Spacing Influence Control of Glyphosate Resistant Palmer Amaranth in LL Soybean? J. W. Weirich*1, K. Fothergill1, R. C. Scott2, J. F. Smith3; 1University of Missouri, Portageville, MO, 2University of Arkansas, Fayetteville, AR, 3Bayer Crop Science, Cabot, AR (278)

 

4:15   Field Application of Abrasive Grit for Postemergecne Weed Control in Corn and Soybean. F. Forcella*; USDA, Morris, MN (279)

 

4:30   Section Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 7

Section 9. Weed Biology and Ecology

LOCATION:   Kona Ballroom 4
TIME:   1:00 PM - 4:00 PM
CHAIR:   Rob Nurse
    Agriculture and Agri-Food Canada
    Harrow, ON
MODERATOR:   Rob Nurse
    Agriculture and Agri-Food Canada
    Harrow, ON

 

*SPEAKER

 

1:00   Mile-a-Minute Weed (Mikania micrantha) Infestations in the Indo-Pacific: Can We Put the Brakes on These Invasions? D. R. Clements*, C. Gile; Trinity Western University, Langley, BC (280)

 

1:15   The Recruitment Biology and Ecology of Digitaria sanguinalis and Digitaria ischaemum (Large and Small Crabgrass) in Turfgrass: Implications for Management in the Context of a Cosmetic Pesticide Ban. F. Turner*; University of Guelph, Guelph, ON (281)

 

1:30   Emergence Pattern and Fitness of a Canadian Woolly Cupgrass (Eriochloa villosa) Population. M. Simard*1, S. J. Darbyshire2, R. E. Nurse3; 1Agriculture and Agri-Food Canada, Quebec, QC, 2Agriculture and Agri-Food Canada, Ottawa, ON, 3Agriculture and Agri-Food Canada, Harrow, ON (282)

 

1:45   Groundwater Availability Alters Soil Nitrogen Inputs in a Leeward Stand of Kiawe (Prosopis pallida). B. D. Dudley*1, F. Hughes2, R. Ostertag1, Y. Miyazawa3, T. W. Giambelluca4; 1University of Hawaii at Hilo, Hilo, HI, 2USDA Forest Service, Hilo, HI, 3Kyushu University, Kyushu, Japan, 4University of Hawai`i at Manoa, Oahu, HI (283)

 

2:00   Comparison of Native and Invasive Populations of Taeniatherum caput-medusae: Geographic Origins, Multiple Introductions and Founder Effects. M. Peters1, R. Sforza2, S. J. Novak*1; 1Boise State University, Boise, ID, 2USDA-ARS, Montpellier, France (284)

 

2:15   Phenotypic and Genetic Comparison of Distinct Prickly Lettuce Biotypes. J. L. Bell*, I. C. Burke, M. M. Neff; Washington State University, Pullman, WA (285)

 

2:30   Break

 

2:45   Outcrossing Potential between U.S. Red Rice (Oryza sativa) and Chinese Indica Rice (Oryza sativa) Lines. D. R. Gealy*1, N. R. Burgos2; 1USDA-ARS, Stuttgart, AR, 2University of Arkansas, Fayetteville, AR (286)

 

3:00   The Merit of Weeds in Horticulture and Genetic Research. X. Xue*1, A. Stoklosa2; 1UBC, Vancouver, BC, 2University of Agriculture, Krakow, Krakow, Poland (287)

 

3:15   Response of Microstegium vimineum and Neighboring Forest Plants to Mechanical and Chemical Control Programs. A. Post*, J. N. Barney, D. Tekiela, K. L. Hensler, S. Askew; Virginia Tech, Blacksburg, VA (288)

 

3:30   Partitioning Effects of Nutrients from Organic Amendments on Crop and Weed Growth. N. Little*, C. L. Mohler, A. DiTommaso, Q. Ketterings; Cornell University, Ithaca, NY (289)

 

3:45   Section Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 7

Section 10. Biocontrol of Weeds

LOCATION:   Kona 1 & 2
TIME:   1:00 PM - 3:00 PM
CHAIR:   John Lydon
    USDA-ARS
    Beltsville, MD
MODERATOR:   John Lydon
    USDA-ARS
    Beltsville, MD

 

*SPEAKER

 

1:00   Understanding Taxonomic Complexity in the Native Range: Morphological and Genetic Differentiation Among Subspecies of Taeniatherum caput-medusae. M. Peters1, R. Sforza2, S. J. Novak*1; 1Boise State University, Boise, ID, 2USDA-ARS, Montpellier, France (290)

 

1:15   Applying the Diversity-Invasion Hypothesis to Test Restoration as Biocontrol. K. Lyons*; Trinity University, 78212, TX (291)

 

1:30   Integrating Weevil Herbivory, a Native Cover Crop, and Soil Nutrients for Canada Thistle (Cirsium arvense L.) control. E. E. Burns*, G. G. Gramig, D. A. Prischmann-Voldseth; North Dakota State University, Fargo, ND (292)

 

1:45   Fighting Medusahead: Biocontrol as the Last Option Before Giving Up? R. Sforza*1, A. Lagopodi2, S. J. Novak3, M. Cristofaro4; 1USDA-ARS, Montpellier, France, 2University of Thessaloniki, Thessaloniki, Greece, 3Boise State University, Boise, ID, 4BBCA, Rome, Italy (293)

 

2:00   Biocontrol of Eurasian Weeds in the U.S.: An Update from the USDA-ARS-EBCL. R. Sforza*1, K. Hoelmer1, D. Strickman2, J. Lydon3; 1USDA-ARS, Montpellier, France, 2USDA-ARS, Beltsville, WA, 3USDA-ARS, Beltsville, MD (294)

 

2:15   Integrating Biocontrol into Management of Strawberry Guava in Hawaiian Forests. T. Johnson*; USDA Forest Service, Volcano, HI (295)

 

2:30   Effective Biological Control Programs of Certain Invasive Plant Species on Guam. G. P. Reddy*, G. McNassar, C. Legdoseg, J. Remolona; University of Guam, Mangilao, GU (296)

 

2:45   Section Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 7

Section 12. Soil and Environmental Aspects

LOCATION:   Kings 1 & 2
TIME:   1:00 PM - 4:00 PM
CHAIR:   L. Jason Krutz
    USDA-ARS
    Stoneville, MS
MODERATOR:   L. Jason Krutz
    USDA-ARS
    Stoneville, MS

 

*SPEAKER

 

1:00   Impact of Soil pH on Bahiagrass:Smutgrass Competition. N. Rana*1, B. A. Sellers1, J. Ferrell2, G. MacDonald2; 1University of Florida, Ona, FL, 2University of Florida, Gainesville, FL (297)

 

1:15   Impacts of Strip Tillage and Cover Cropping on Weed Emergence in Cabbage. E. Haramoto*, D. C. Brainard; Michigan State University, East Lansing, MI (298)

 

1:30   Pyroxasulfone as a Component of Weed Management Programs in Soybean and Corn. L. L. Bozeman*1, J. S. Harden2, W. E. Thomas2, S. Tan2, S. J. Bowe2, Y. Yamaji3; 1BASF, Raleigh, NC, 2BASF Corporation, Research Triangle Park, NC, 3Kumiai America, White Plains, NY (299)

 

1:45   The Effects of Biochar Amendments on Native and Invasive Prairie Plants. M. M. Adams*, K. Gibson; Purdue University, West Lafayette, IN (300)

 

2:00   Terrorism, Climatic and Social Change are the Major Threats to Weed Biodiversity and Conservation in Northwest Pakistan. M. A. Khan*; Agricultural University Peshawar, Peshawar, Pakistan (301)

 

2:15   Changing Climate Alter the Competitive Ability and Spectrum of Weeds. K. B. Marwat*; Agricultural University Peshawar, Peshawar, Pakistan (302)

 

2:30   Break

 

2:45   Scientific Advances Improve  Stewardship Practices and Methods Used in Environmental Assessments of Herbicides  . J. E. McFarland*; Syngenta Crop Protection, Greensboro, NC (303)

 

3:00   The Fusarium-Herbicide-Plant Interaction: A Complex Relationship. R. J. Kremer*1, L. H. Zobiole2, N. E. Means3; 1USDA-ARS, Columbia, MO, 2University of Maringa, Maringa, Brazil, 3Columbia College, Columbia, MO (304)

 

3:15   Fomesafen Soil Dissipation in Vegetable Production Systems. T. L. Grey*1, T. Potter2; 1University of Georgia, Tifton, GA, 2USDA-ARS, Tifton, GA (305)

 

3:30   Development of an Adsorption Window for Pesticides: a Potential Alternative to Comparing Soil Adsorption Values. E. R. Camargo*, S. A. Senseman; Texas A&M University, College Station, TX (306)

 

3:45   Leaching of Indaziflam in Florida Citrus Soils Collected from Different Horizons . A. J. Jhala*, A. M. Ramirez, M. Singh; University of Florida, Lake Alfred, FL (307)




WEDNESDAY  MORNING    FEBRUARY 8

Role of Herbicide-Resistant Crops in Sustainable Agriculture

LOCATION:   Kings 1 & 2
TIME:   7:30 AM - 12:00 PM
CHAIR:   Margaret Lancaster
    WSSA
    Lawrence, KS
MODERATOR:   Harry Strek
    Bayer CropScience
    Frankfurt, Germany

 

*SPEAKER

 

7:30   Introduction

 

7:45   Herbicide Resistant Crops - How It All Started. P. Eckes*; Bayer CropScience AG, Frankfurt, Germany (308)

 

8:15   The Roundup Ready Revolution in Agriculture. J. K. Soteres*; Monsanto Company, St. Louis, MO (309)

 

8:45   The Evolution of Glyphosate-Resistant Weeds. T. A. Gaines*; University of Western Australia, Crawley, WA, Australia (310)

 

9:15   The Evolution of Multiple-Resistant Weeds . P. J. Tranel*, C. Riggins, A. Hager; University of Illinois, Urbana, IL (311)

 

9:45   Break

 

10:00   Current and Future Herbicide-Resistant Crop/Trait Technologies. S. O. Duke*; USDA-ARS, Oxford, MS (312)

 

10:30   Best Management Practices to Combat Evolution of Herbicide-Resistant Weeds in Herbicide-Resistant Cotton and Soybean. J. K. Norsworthy*1, S. M. Ward2, D. R. Shaw3, R. Llewellyn4, R. L. Nichols5, T. M. Webster6, K. W. Bradley7, G. Frisvold8, S. B. Powles9, N. R. Burgos1, W. Witt10, M. Barrett10; 1University of Arkansas, Fayetteville, AR, 2Colorado State University, Fort Collins, CO, 3Mississippi State University, Mississippi State, MS, 4CSIRO, Adelaide, Australia, 5Cotton Incorporated, Cary, NC, 6USDA-ARS, Tifton, GA, 7University of Missouri, Columbia, MO, 8University of Arizona, Tucson, AZ, 9University of Western Australia, Crawley, WA, Australia, 10University of Kentucky, Lexington, KY (313)

 

11:00   Best Management Practices to Combat the Evolution of Herbicide-Resistant Weeds in Herbicide-Resistant Maize. M. D. Owen*; Iowa State University, Ames, IA (314)

 

11:30   Summary and Discussion




WEDNESDAY  MORNING    FEBRUARY 8

Section 4. Pasture, Rangeland, Forest, and Rights of Way

LOCATION:   Queens 4 & 5
TIME:   7:30 AM - 11:30 AM
CHAIR:   Brent Sellers
    University of Florida
    Ona, FL
MODERATOR:   Brent Sellers
    University of Florida
    Ona, FL

 

*SPEAKER

 

7:30   Aminocyclopyrachlor:  A New Active for Brush Control in Range and Pasture. J. H. Meredith*1, E. Castner2, M. Edwards2, R. Rupp3; 1DuPont Crop Protection, Memphis, TN, 2DuPont Crop Protection, Wilmington, DE, 3DuPont Crop Protection, Edmond, OK (315)

 

7:45   Aminocyclopyrachlor:  A New Active for Broadleaf Weed Control in Range and Pasture . S. K. Rick*1, J. H. Meredith2; 1DuPont Crop Protection, Waterloo, IL, 2DuPont Crop Protection, Memphis, TN (316)

 

8:00   Aminocyclopyrachlor Combinations for Weed Control in Pastures. J. M. Taylor*, J. D. Byrd, L. C. Coats; Mississippi State University, Mississippi State, MS (317)

 

8:15   Performance of Aminocyclopyrachlor for Pernicious Weed and Brush Management in Texas Pastures and Rangeland. P. A. Baumann*1, E. Castner2; 1Texas AgriLife Extension, College Station, TX, 2DuPont Crop Protection, Wilmington, DE (318)

 

8:30   Fall and Spring Applications for Tall Fescue (Festuca arundinacea) Seedhead Suppression. J. Omielan*, W. Witt; University of Kentucky, Lexington, KY (319)

 

8:45   Impact of Pasture Herbicides on Seedling Growth Response of Three Tall Fescue Varieties. W. Witt*, P. Moraes, T. D. Phillips; University of Kentucky, Lexington, KY (320)

 

9:00   Rehabilitating Ventenata, Ventenata dubia, Infested Rangelands Using Herbicides Followed by Rangeland Seedings in Central Oregon. F. A. Brummer*1, M. D. Butler2, R. B. Simmons2; 1Oregon State University Extension, Warm Springs, OR, 2Oregon State University, Madras, OR (321)

 

9:15   Community and Population Responses to Management and Environmental Suitability for Linaria dalmatica. M. E. Bridges*, B. D. Maxwell, L. J. Rew; Montana State University, Bozeman, MT (322)

 

9:30   Break

 

9:45   Privet (Ligustrum sp.) Control Field Trials and Results in Georgia. E. D. Dickens*1, D. Moorhead2, C. Bates3; 1University of Georgia, Statesboro, GA, 2University of Georgia, Tifton, GA, 3Georgia Forestry Commission, Statesboro, GA (323)

 

10:00   Shrub Control in Conservation Reserve Program Lands in Interior Alaska. S. S. Seefeldt*1, P. N. Kaspari2, J. S. Conn1; 1USDA-ARS, Fairbanks, AK, 2University of Alaska Fairbanks, Delta Junction, AK (324)

 

10:15   Streamline for Individual Tree Control of Sweetgum and Yaupon. J. L. Yeiser*, J. Grogan; Stephen F. Austin State University, Nacogdoches, TX (325)

 

10:30   Use of Flazasulfuron for Herbaceous Weed Control in First-Year Loblolly Pine Plantations. A. W. Ezell*1, J. L. Yeiser2; 1Mississippi State University, Starkville, MS, 2Stephen F. Austin State University, Nacogdoches, TX (326)

 

10:45   Effect of Two Years of Herbaceous Weed Control Using Oust XP on Growth of Oak Seedlings Planted on Retired Agricultural Sites. A. W. Ezell*1, A. B. Self2; 1Mississippi State University, Starkville, MS, 2Mississipii State University, Mississippi State, MS (327)

 

11:00   A Ten Year Review of the National Park Service Exotic Plant Management Teams: An Experiment in Strengthening Weed and Ecological Science Expertise for Managing Invasive Species on Federal Lands. R. Beard*1, J. Gooding2; 1National Park Service, Fort Collins, CO, 2National Park Service, Pukalani, HI (328)

 

11:15   Section Business Meeting




WEDNESDAY  MORNING    FEBRUARY 8

Section 8. Formulation, Adjuvant and Application Technology

LOCATION:   Kona Ballroom 5
TIME:   7:30 AM - 10:45 AM
CHAIR:   Craig Ramsey
    USDA-APHIS
    Fort Collins, CO
MODERATOR:   Craig Ramsey
    USDA-APHIS
    Fort Collins, CO

 

*SPEAKER

 

7:30   Advancements in Dicamba Formulation. W. Xu1, T. M. Cannan2, C. W. Finch2, G. Schnabel3, M. Bratz*3, S. J. Bowe1, C. L. Brommer4; 1BASF Corporation, Research Triangle Park, NC, 2BASF Corporation, RTP, NC, 3BASF SE, Limburgerhof, Germany, 4BASF, Raleigh, NC (329)

 

7:45   POST Field Efficacy Evaluation of Dicamba Sprayed vs. Foliar Granule Applications for Broadleaf Weeds. T. D. Birthisel*1, M. Loux2; 1The Andersons Inc., Maumee, OH, 2The Ohio State University, Columbus, OH (330)

 

8:00   Performance of a Novel 2,4-D Formulation. G. Dahl*1, J. V. Gednalske2, E. Spandl1, L. C. Magidow1; 1Winfield Solutions, LLC, St. Paul, MN, 2Winfield Solutions, LLC, River Falls, WI (331)

 

8:15   Quantifying the Volatility Transport Potential of Different 2,4-D Forms. P. Havens*1, D. E. Hillger1, S. Cryer1, D. Ouse1, D. M. Simpson1, J. S. Richburg2, R. B. Lassiter3; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences, Headland, AL, 3Dow AgroSciences, Little Rock, AR (332)

 

8:30   Comparing Volatility of Three Forms of 2,4-D When Applied in the Field. L. M. Sosnoskie*1, A. S. Culpepper1, B. Braxton2, J. S. Richburg3; 1University of Georgia, Tifton, GA, 2DowAgrosciences, Indianapolis, IN, 3Dow AgroSciences, Headland, AL (333)

 

8:45   The Effects of Auxins Herbicides on the Absorption and Translocation of Salt Formulations of Glyphosate. C. L. Smith*, D. B. Reynolds, J. Massey, J. Irby, R. Storey; Mississippi State University, Mississippi State, MS (334)

 

9:00   Teaching Pesticide Application Technology. R. N. Klein*; University of Nebraska-Lincoln, North Platte, NE (335)

 

9:15   Herbicide Efficacy as Affected by Spray Droplet Size. G. R. Kruger*1, L. D. Sandell2, W. E. Bagley3, J. V. Gednalske4, E. Spandl5, L. J. Hennemann4, L. C. Magidow5, W. Hoffmann6, B. Fritz6, R. S. Henry7; 1University of Nebraska-Lincoln, North Platte, NE, 2University of Nebraska-Lincoln, Lincoln, NE, 3Wilber-Ellis Company, San Antonio, TX, 4Winfield Solutions, LLC, River Falls, WI, 5Winfield Solutions, LLC, St. Paul, MN, 6USDA-ARS Area Wide Pest Management Research Unit, College Station, TX, 7Purdue University, West Lafayette, IN (336)

 

9:30   Break

 

9:45   Evaluation of Nozzle Type and Deposition Aid on Spray Drift of Dicamba and Glyphosate Tank-mixtures on Adjacent RR2Y Soybeans. J. N. Travers*1, S. Seifert-Higgins1, M. Falleti2, J. Sandbrink3, K. Remund1; 1Monsanto Company, St. Louis, MO, 2Monsanto Co., St. Louis, MO, 3Monsanto, St. Louis, MO (337)

 

10:00   DRT - Effect of Various Drift and Deposition Adjuvants on Herbicide Performance. . J. V. Gednalske*1, L. C. Magidow2, G. Dahl2, E. Spandl2; 1Winfield Solutions, LLC, River Falls, WI, 2Winfield Solutions, LLC, St. Paul, MN (338)

 

10:15   Improved Cogongrass Control with Modified Air-Assisted Backpack Sprayer With and Without Magnetized Feed Lines. C. L. Ramsey*; USDA-APHIS, Fort Collins, CO (339)

 

10:30   Section Business Meeting




WEDNESDAY  MORNING    FEBRUARY 8

Section 13. Integrated Weed Management

LOCATION:   Kona Ballroom 4
TIME:   7:30 AM - 12:15 PM
CHAIR:   Wesley Everman
    Michigan State University
    East Lansing, MI
MODERATOR:   Wesley Everman
    Michigan State University
    East Lansing, MI

 

*SPEAKER

 

7:30   Pyroxasulfone for the Control of Multiple-resistant Rigid Ryegrass in Australian Wheat Production. P. Boutsalis*1, C. Preston2, G. Gill1; 1The University of Adelaide, Adelaide, Australia, 2The University of Adelaide, Glen Osmond, Australia (340)

 

7:45   Impact of Seeding Systems on Pre-emergent Herbicide Use to Control Multiple Resistant Rigid Ryegrass in Australian Wheat Production. C. Preston*1, P. Boutsalis2, S. Kleeman3, G. Gill2; 1The University of Adelaide, Glen Osmond, Australia, 2The University of Adelaide, Adelaide, Australia, 3University of Adeliade, Glen Osmond, Australia (341)

 

8:00   Spring Wheat Seed Size and Cultivar Effects on Yield and Wild Oat Interference. R. N. Stougaard*1, Q. Xue2; 1Montana State University, Kalispell, MT, 2Texas Agrilife Research, Amarillo, TX (342)

 

8:15   Canola Harvest Losses and Volunteer Weed Potential. K. N. Harker*1, J. T. O'Donovan1, R. H. Gulden2, C. Willenborg3, S. Shirtliffe3; 1Agriculture and Agri-Food Canada, Lacombe, AB, 2University of Manitoba, Winnipeg, MB, 3University of Saskatchewan, Saskatoon, SK (343)

 

8:30   Glyphosate Resistant Conyza bonariensis is Now Managed Effectively Using IWM in Australian Sub-Tropical Cropping Systems. S. R. Walker*1, M. J. Widderick2, A. Cook3; 1The University of Queensland, Toowoomba, Australia, 2Department of Employment, Economic Development and Innovation, Toowoomba, Australia, 3New South Wales Department of Primary Industries, Tamworth, Australia (344)

 

8:45   Effective Herbicide Options for Control of Glyphosate Resistant Echinochloa colona. M. J. Widderick*1, S. R. Walker2; 1Department of Employment, Economic Development and Innovation, Toowoomba, Australia, 2The University of Queensland, Toowoomba, Australia (345)

 

9:00   Challenges to Diversifying Herbicide Options in Continuous No-till Production Systems. W. Curran*, D. Lingenfelter; The Pennsylvania State University, University Park, PA (346)

 

9:15   Impact of 17-Years Fertilization Treatments on Weed Communities and Crops. L. Tang*1, K. Wan1, R. Li2, F. Chen1; 1Key Laboratory of Aquatic Botany and Watershed Ecology, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan, Wuhan, Peoples Republic, 2Institute of Plant Protection and Soil Science, Hubei Academy of Agriculture Sciences, Wuhan, Wuhan, Peoples Republic (347)

 

9:30   Challenges for Dodder Management in Cranberry: Biology, Application, and Politics. H. A. Sandler*, K. M. Ghantous; UMass Cranberry Station, East Wareham, MA (348)

 

9:45   Break

 

9:45   National Assessment of the Economic Benefits of Triazine Herbicides to U.S. Crop Producers. P. Mitchell*; University of Wisconson, Madison, WI (441)

 

10:00   Plant Community Restructuring Successfully Ousted Invasive Weed Mile-a-Minute (Mikania micrantha). M. Li*1, Q. Zan2, P. Wei3, Q. Guo4; 1Sun Yat-sen University, Guangzhou, Peoples Republic, 2Shenzhen Wild Animal Rescue Center, Shenzhen, Peoples Republic, 3Sun Yat-sen Univ, Guangzhou, Peoples Republic, 4Shenzhen Wildlife Protecting Administration, Shenzhen, Peoples Republic (349)

 

10:15   Post-dispersal Herbivory of Selected Weed Seeds as Affected by Residue Cover. M. V. Bagavathiannan*1, J. K. Norsworthy1, K. L. Smith2; 1University of Arkansas, Fayetteville, AR, 2University of Arkansas, Monticello, Monticello, AR (350)

 

10:30   Breeding Competitive Crop Varieties: Do the Returns Justify the Cost? S. Shirtliffe*; University of Saskatchewan, Saskatoon, SK (351)

 

10:45   Interactions That Matter: Improving Efficacy with Strategic Combinations of Cultural Weed Management Practices. M. R. Ryan*1, D. A. Mortensen1, J. R. Teasdale2, R. G. Smith3, S. B. Mirsky2, W. Curran1; 1The Pennsylvania State University, University Park, PA, 2USDA-ARS, Beltsville, MD, 3University of New Hampshire, Durham, NH (352)

 

11:00   Weed Biomass and Community Response to Cover Crop Mixture and Termination Method. S. E. Wortman*1, M. L. Bernards2, J. L. Lindquist1; 1University of Nebraska-Lincoln, Lincoln, NE, 2Western Illinois University, Macomb, IL (353)

 

11:15   Integration of Cultural and Mechanical Weed Control Methods Enhance Weed Control in Organic Cropping Systems. D. I. Benaragama*, S. Shirtliffe; University of Saskatchewan, Saskatoon, SK (354)

 

11:30   Effect of Weed Management Strategies on Canada Thistle in Organically Managed Crops. C. Zamorano Montanez*, K. Gibson; Purdue University, West Lafayette, IN (355)

 

11:45   Impacts of Tillage, Banded Herbicide Applications, and Post-Harvest Residue Management on Johnsongrass Control in Sugarcane. C. D. Dalley*, E. P. Richard, Jr., R. P. Viator; USDA-ARS, Houma, LA (356)

 

12:00   Section Business Meeting




THURSDAY  MORNING    FEBRUARY 9

Stewarding Off-Target Movement of Pesticides

LOCATION:   Kona Ballroom 4
TIME:   8:00 AM - 12:00 PM
CHAIR:   David Hillger
    Dow AgroSciences
    Indianapolis, IN
MODERATOR:   David Hillger
    Dow AgroSciences
    Indianapolis, IN

 

*SPEAKER

 

8:00   Introduction

 

8:05   U.S. EPA’s Approach to Spray Drift Management, DRT Program and Product Labeling. J. S. Ellenberger*; United States Environmental Protection Agency, Washington, DC (357)

 

8:25   Formulation Innovations for Limiting Off-target Movement. S. Wilson*, B. Downer, A. Kennedy, M. Li, L. Liu, D. Ouse, H. Tank, H. Zhang; Dow AgroSciences, Indianapolis, IN (358)

 

8:45   Developing Adjuvants and Their Influence on Atomization and Drift. W. E. Bagley*; Wilber-Ellis Company, San Antonio, TX (359)

 

9:05   Spray Tip Designs for Droplet Size Management. M. Heyen*, S. Pearson; Spraying Systems Co., Wheaton, IL (360)

 

9:25   Herbicide Efficacy with Coarser Spray Quality. K. A. Howatt*1, J. R. Lukach2; 1NDSU, Fargo, ND, 2NDSU, Langdon, ND (361)

 

9:45   Break

 

10:00   Herbicide Drift and the Vegetable Producer, Can They Co-exist? A. S. Culpepper*; University of Georgia, Tifton, GA (362)

 

10:20   Managing Herbicide Off-Target Spray Losses. S. H. Jackson*; BASF Crop Protection, Research Triangle Park, NC (363)

 

10:40   Electronic Tools to Aid in Managing Agricultural Product Applications. T. Jones-Jefferson*, P. Havens, D. E. Hillger, D. Palmer, R. Saggar, R. Beverly; Dow AgroSciences, Indianapolis, IN (364)

 

11:00   Current Research Methods for Quantifying Drift and Volatility Transport of Pesticides. P. Havens*1, D. E. Hillger1, A. Hewitt2, G. R. Kruger3, D. Ouse1, J. S. Richburg4, R. B. Lassiter5, D. M. Simpson1, S. Cryer1; 1Dow AgroSciences, Indianapolis, IN, 2Lincoln Ventures Ltd., Christchurch, New Zealand, 3University of Nebraska-Lincoln, North Platte, NE, 4Dow AgroSciences, Headland, AL, 5Dow AgroSciences, Little Rock, AR (365)

 

11:20   Developments in Ground Application and Drift Modeling - Empirical, Mechanical and Hybrid Approaches. A. Hewitt*; Lincoln Ventures Ltd., Christchurch, New Zealand (366)

 

11:40   Summary and Discussion




THURSDAY  MORNING    FEBRUARY 9

Section 1. Agronomic Crops

LOCATION:   Kings 1 & 2
TIME:   8:00 AM - 12:00 PM
CHAIR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN
MODERATOR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN

 

*SPEAKER

 

8:00   Anthem and Anthem ATZ - Two New Herbicides for Pre-emergence and Post-emergence Control of Key Broadleaf and Grass Weed Pests Affecting U.S. Corn and Soybean Production. J. S. Wilson*1, T. Mize2, G. Stratman3; 1FMC, Cary, NC, 2FMC, Olathe, KS, 3FMC, Stromsburg, NE (367)

 

8:15   Pyroxasulfone Interaction With Soil and Plants. E. P. Westra*1, D. L. Shaner2, P. Westra1; 1Colorado State University, Fort Collins, CO, 2USDA, Fort Collins, CO (368)

 

8:30   Corn Weed Management in North Carolina with Pyroxasulfone. J. D. Hinton*1, L. Grier1, A. M. Knight1, W. J. Everman2; 1North Carolina State University, Raleigh, NC, 2Michigan State University, East Lansing, MI (369)

 

8:45   New Fierce Herbicide for Weed Control in Corn and Soybean. F. Carey*1, D. Refsell2, E. Ott3, J. Pawlak4, J. Cranmer5, J. Smith6, B. Odle7, T. Dale8; 1Valent USA, Olive Branch, MS, 2Valent USA, Lathrop, MO, 3Valent USA, Greenfield, IN, 4Valent USA, Grand Rapids, MI, 5Vakent USA, Raleigh, NC, 6Valent USA, Atlanta, GA, 7Valent USA, Plano, TX, 8Valent USA, Sioux Falls, SD (370)

 

9:00   Volunteer Glyphosate-Resistant Canola Control in Glyphosate-Resistant Sugar Beet. P. Jha*, V. Kumar, N. Reichard; Montana State University, Huntley, MT (371)

 

9:15   Management of Waterhemp in Glyphosate-Resistant Sugarbeet. J. M. Stachler*, J. L. Luecke; North Dakota State University and University of Minnesota, Fargo, ND (372)

 

9:30   Biennial Wormwood (Artemisia biennis) and Kochia (Kochia scoparia) Interference with Sunflowers. D. W. Lewis*, R. H. Gulden; University of Manitoba, Winnipeg, MB (373)

 

9:45   Growth and Development of Spring Crops in Response to Oat Competition. M. R. Manuchehri*, E. P. Fuerst, I. C. Burke, D. L. Pittmann; Washington State University, Pullman, WA (374)

 

10:00   Break

 

10:15   Target Site Mutation Associated with Glufosinate Resistance in Italian Ryegrass (Lolium perenne L. ssp multiflorum). W. V. Avila, E. Sanchez Olguin*, A. G. Hulting, C. Mallory-Smith; Oregon State University, Corvallis, OR (375)

 

10:30   Regional Studies on Managing Kochia Without Glyphosate. P. W. Stahlman*1, P. W. Geier1, S. S. Reddy1, R. S. Currie2, B. L. Olson3, C. R. Thompson4, J. L. Jester2, A. Helm5, P. Westra6, R. G. Wilson7, G. M. Sbatella7, P. Jha8, A. R. Kniss9, J. M. Tichota10; 1Kansas State University, Hays, KS, 2Kansas State University, Garden City, KS, 3Kansas State University, Colby, KS, 4Kansas State University, Manhattan, KS, 5Colorado State University, Julesburg, CO, 6Colorado State University, Fort Collins, CO, 7University of Nebraska, Scottsbluff, NE, 8Montana State University, Huntley, MT, 9University of Wyoming, Laramie, WY, 10Monsanto Company, Littleton, CO (376)

 

10:45   Response of Suspected Dicamba-Resistant and -Susceptible Nebraska Kochia (Kochia scoparia) Populations to Dicamba Dose. R. J. Crespo*1, G. R. Kruger2, R. G. Wilson3, D. J. Lee1, M. L. Bernards4; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, North Platte, NE, 3University of Nebraska, Scottsbluff, NE, 4Western Illinois University, Macomb, IL (377)

 

11:00   Weed Control Programs for Sorghum Containing DuPont™ Inzen™ Herbicide Tolerance Traits. R. Rupp*1, E. Castner2, D. R. Forney3, J. Harbour4, C. Medlin2, D. W. Saunders5; 1DuPont Crop Protection, Edmond, OK, 2DuPont Crop Protection, Wilmington, DE, 3DuPont Crop Protection, Newark, DE, 4DuPont Crop Protection, Lincoln, NE, 5DuPont Crop Protection, Dallas Center, IA (378)

 

11:15   Update on HPPD-Resistant Waterhemp and Control Options in Corn and Soybean. R. D. Lins*1, A. S. Franssen2, V. K. Shivrain3, G. D. Vail3; 1Syngenta, Byron, MN, 2Syngenta, Seward, NE, 3Syngenta, Greensboro, NC (379)

 

11:30   Influence of Weed Height and Glufosinate and 2,4-D Rate on Weed Control in DHT Soybeans. B. D. Craigmyle*1, J. M. Ellis2, K. W. Bradley1; 1University of Missouri, Columbia, MO, 2Dow AgroSciences, Smithville, MO (380)

 

11:45   Effect of Herbicides on Control and Tuber Recruitment of Yellow Nutsedge in Ontario. F. J. Tardif*, P. Smith; University of Guelph, Guelph, ON (381)




THURSDAY  MORNING    FEBRUARY 9

Section 3. Turf and Ornamental Crops

LOCATION:   Kona Ballroom 5
TIME:   8:00 AM - 11:15 AM
CHAIR:   Travis Gannon
    North Carolina State University
    Raleigh, NC
MODERATOR:   Travis Gannon
    North Carolina State University
    Raleigh, NC

 

*SPEAKER

 

8:00   Screening New Herbicides for Silvery Thread Moss Control on Putting Greens. A. Post*, S. Askew, D. S. McCall; Virginia Tech, Blacksburg, VA (382)

 

8:15   Selective Bermudagrass Control in Tall Fescue Lawns with Topramezone. K. Venner*1, S. Askew1, K. Miller2; 1Virginia Tech, Blacksburg, VA, 2BASF, Chesterfield, VA (383)

 

8:30   Amicarbazone for Annual Bluegrass Management in Established Turf. T. W. Gannon*, M. D. Jeffries, F. H. Yelverton, L. S. Warren; North Carolina State University, Raleigh, NC (384)

 

8:45   Seasonal Treatments of Methiozolin Control Annual Bluegrass on Golf Putting Greens. S. Askew*1, B. McNulty1, A. Post1, S. Koo2; 1Virginia Tech, Blacksburg, VA, 2Moghu Research Center, Daejeon, South Korea (385)

 

9:00   Utility of Flumioxazin and Indaziflam for Poa annua Control in Non-Overseeded Bermudagrass Turf. K. Umeda*; University of Arizona, Phoenix, AZ (386)

 

9:15   Postemergence and Preemergence Doveweed Control Options. A. G. Estes*, B. McCarty, J. A. Atkinson; Clemson University, Clemson, SC (387)

 

9:30   Pre and Postemergence Control of Doveweed in Bermudagrass. J. L. Atkinson*, B. McCarty, A. G. Estes; Clemson University, Clemson, SC (388)

 

9:45   Break

 

10:00   Postemergence Control of Liverwort. J. Derr*; Virginia Tech, Virginia Beach, VA (389)

 

10:15   Improved Grass and Broadleaf Weed Control in Turf with Mixtures of Mesotrione and Triclopyr. M. C. Cox*, S. Askew; Virginia Tech, Blacksburg, VA (390)

 

10:30   MSMA Alternatives for Weed Management in Warm-Season Turfgrass. B. J. Brecke*, B. Unruh, B. Glenn; University of Florida, Jay, FL (391)

 

10:45   Selective Exposure and Efficacy of Sulfosulfuron, Sulfentrazone, and Trifloxysulfuron for Sedge Control in Established Turfgrasses. F. H. Yelverton*, T. W. Gannon, L. S. Warren; North Carolina State University, Raleigh, NC (392)

 

11:00   Leaching and Fate of Select Herbicides in Established Turfgrass Systems. T. W. Gannon*, F. H. Yelverton, M. Polizzotto, J. Weber; North Carolina State University, Raleigh, NC (393)




THURSDAY  MORNING    FEBRUARY 9

Section 6. Regulatory Aspects

LOCATION:   Queens 5
TIME:   8:00 AM - 11:00 AM
CHAIR:   Melissa Bravo
    Pennsylvania Department of Agriculture
    Harrisburg, PA
MODERATOR:   Melissa Bravo
    Pennsylvania Department of Agriculture
    Harrisburg, PA

 

*SPEAKER

 

8:00   Evaluation of Off-Target Herbicide Deposition Using a Ground-based Spectral Acquisition System Equipped with GPS Technology. J. Irby*1, D. B. Reynolds1, C. L. Smith1, L. M. Bruce1, J. L. Willers2; 1Mississippi State University, Mississippi State, MS, 2USDA-ARS, Mississippi State, MS (394)

 

8:15   The Effect of Colex-D in Managing Drift and Volatility Under Field Conditions with the Enlist Weed Control System. D. B. Reynolds*1, L. E. Steckel2, L. C. Walton3, J. S. Richburg4, R. A. Haygood5, A. T. Ellis6; 1Mississippi State University, Mississippi State, MS, 2University of Tennessee, Jackson, TN, 3Dow AgroSciences, Tupelo, MS, 4Dow AgroSciences, Headland, AL, 5Dow AgroSciences, Memphis, TN, 6Dow AgroSciences, Greenville, MS (395)

 

8:30   Assessments of the Yield and Net Return of Triazine Herbicides to U.S. Agriculture. D. C. Bridges*; Abraham Baldwin Agricultural College, Tifton, GA (396)

 

8:45   EPA Subject Matter Expert: Update on Activities. J. Schroeder*1, D. Kenny2; 1New Mexico State University, Las Cruces, NM, 2U.S. EPA, Washington, DC (397)

 

9:00   PPQ Weed Risk Assessment Process: Where Does it Fit in APHIS Regulatory Decisionmaking? A. V. Tasker*; USDA, APHIS, Plant Protection & Quarantine, Riverdale, MD (398)

 

9:15   Development of a New Weed Risk Assessment Model for Use in Potential Third Party Certification in Evaluation of Nursery Plants. J. M. DiTomaso*; University of California, Davis, Davis, CA (399)

 

9:30   Break

 

9:45   Developing an Improved Regulatory Regime for Invasive Plants in Natural Areas: Should They be. L. D. Quinn*1, J. N. Barney2, J. McCubbins1, B. Endres1, T. Voigt1; 1University of Illinois, Urbana, IL, 2Virginia Tech, Blacksburg, VA (400)

 

10:00   The Coordination Challenges for Halting Invasive Plant Invasions. C. P. Dionigi*; National Invasive Species Council, Washington, DC (401)

 

10:15   Risk Analysis of Bioenergy Crops Using the New PPQ Weed Risk Assessment: Are They Just New Crops? L. L. Smith*, J. N. Barney; Virginia Tech, Blacksburg, VA (402)

 

10:30   Federal Noxious Weed Programs in Pennsylvania and Surrounding States. M. Bravo*1, J. Zoschg1, I. Bowers2; 1Pennsylvania Department of Agriculture, Harrisburg, PA, 2Pennsylvania Department of Agriculture, Erie, PA (403)

 

10:45   Section Business Meeting




THURSDAY  MORNING    FEBRUARY 9

Section 11. Physiology

LOCATION:   Kona 1 & 2
TIME:   8:00 AM - 12:00 PM
CHAIR:   Patrick Tranel
    University of Illinois
    Urbana, IL
MODERATOR:   Patrick Tranel
    University of Illinois
    Urbana, IL

 

*SPEAKER

 

8:00   Nonlinear Regression Analysis of Herbicide Absorption Studies. A. R. Kniss*1, J. D. Vassios2, S. J. Nissen2, C. Ritz3; 1University of Wyoming, Laramie, WY, 2Colorado State University, Fort Collins, CO, 3University of Copenhagen, Copenhagen, Denmark (404)

 

8:15   Assessing Non-Radiolabeled Xenobiotic Movement in Monocotyledonous Species. O. Zhivotovsky*, A. Bowling, G. Deboer; DAS, Indianapolis, IN (405)

 

8:30   Plant Cell Membrane as a Marker for Light-dependent and Light-independent Herbicide Mechanisms of Action. F. E. Dayan*, S. B. Watson; USDA-ARS, University, MS (406)

 

8:45   Manuka Oil, a Natural Herbicide with Preemergence Activity. F. E. Dayan*1, J. Howell1, J. P. Marais2, D. Ferreira3, M. Koivunen4; 1USDA-ARS, University, MS, 2Ocean Spray, Lakeville, MA, 3University of Mississippi, University, MS, 4Marrone BioInnovation, Davis, CA (407)

 

9:00   Auxinic Herbicidal Activity Of Novel Para-chlorophenyl Substituted Herbicides. J. W. Thomas*, G. Armel, M. D. Best, C. Do-Thanh, J. Vargas; University of Tennessee, Knoxville, TN (408)

 

9:15   Effect of Botanical Characters on Weed Resistance. W. Vencill*1, R. L. Nichols2, T. M. Webster3, I. M. Heap4, D. G. Shilling5; 1The University of Georgia, Athens, GA, 2Cotton Incorporated, Cary, NC, 3USDA-ARS, Tifton, GA, 4WeedSmart, Corvallis, OR, 5University of Georgia, Athens, GA (409)

 

9:30   Herbicide Cut-Rates May Enhance the Rate of Mutations to Resistance. J. Gressel*; Weizmann Institute of Science, Rehovot, Israel (410)

 

9:45   Risks of Paraquat Resistant Weeds in the Pasture Industry. S. Morran*1, C. Preston2; 1The University of Adelaide, Adelaide, Australia, 2The University of Adelaide, Glen Osmond, Australia (411)

 

10:00   Break

 

10:15   Investigation of Resistance Mechanisms to Mesotrione in a Waterhemp (Amaranthus tuberculatus) Population from Illinois. R. Ma1, D. McGinness1, N. E. Hausman1, P. J. Tranel1, A. Hager1, S. S. Kaundun2, T. Hawkes2, G. D. Vail3, D. E. Riechers*1; 1University of Illinois, Urbana, IL, 2Syngenta, Bracknell, England, 3Syngenta, Greensboro, NC (412)

 

10:30   Characterization of HPPD resistant Palmer amaranth. C. R. Thompson*, D. Peterson, N. G. Lally; Kansas State University, Manhattan, KS (413)

 

10:45   Physiological and Molecular Basis of ALS-Inhibiting Herbicide Resistance in Barnyardgrass. D. S. Riar*, J. K. Norsworthy, V. Srivastava; University of Arkansas, Fayetteville, AR (414)

 

11:00   Effect of Glyphosate on the Mineral Content of Glyphosate-Resistant Soybean. S. O. Duke*1, K. N. Reddy2, J. V. Cizdziel3; 1USDA-ARS, Oxford, MS, 2USDA-ARS, Stoneville, MS, 3University of Mississippi, Oxford, MS (415)

 

11:15   Sequence Analysis of EPSP Synthase in Mutagenized Spring Wheat. A. Aramrak*1, I. C. Burke1, C. M. Steber2, A. H. Carter1, K. Kidwell1; 1Washington State University, Pullman, WA, 2USDA-ARS, Pullman, WA (416)

 

11:30   Glyphosate Resistance in Weed Species of Australia. J. M. Malone*1, P. Boutsalis2, Y. Bostamam1, H. T. Nguyen1, C. Preston3; 1University of Adelaide, Adelaide, Australia, 2The University of Adelaide, Adelaide, Australia, 3The University of Adelaide, Glen Osmond, Australia (417)

 

11:45   Widespread Presence of Glyphosate-resistant Kochia in Kansas. A. S. Godar*1, P. W. Stahlman2, J. Dille1, P. Westra3; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS, 3Colorado State University, Fort Collins, CO (418)




THURSDAY  AFTERNOON    FEBRUARY 9

Section 1. Agronomic Crops

LOCATION:   Kings 1 & 2
TIME:   1:00 PM - 3:00 PM
CHAIR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN
MODERATOR:   Thomas Mueller
    University of Tennessee
    Knoxville, TN

 

*SPEAKER

 

1:00   Comparison of Eastern Black Nightshade (Solanum ptycanthum) Control by Sulfonylurea and other Herbicides. K. M. Vollmer*, H. Wilson, T. Hines; Virginia Tech, Painter, VA (419)

 

1:15   Allelopathic Effect of Weeds on Early Growth of Rice. M. A. Nadeem*1, K. Mubeen2, A. Tanveer1; 1University of Agriculture, Faisalabad, Pakistan, 2University of Agriculture, Faisalabad, Pakistan (420)

 

1:30   Management of Diuron Resistant Annual Bluegrass in Grasses Grown for Seed with Alternative Herbicides Including Pyroxasulfone and Indaziflam. A. G. Hulting*, D. Curtis, C. Mallory-Smith; Oregon State University, Corvallis, OR (421)

 

1:45   Pre and Post Emergence Herbicide Screening of Miscanthus giganteus when Establishing from Vegetative Rhizomes. X. Li*1, T. L. Grey2, R. D. Lee2; 1University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (422)

 

2:00   Effectiveness of Weed Management on Productivity of Two Year Old Switchgrass Fields in Wisconsin. M. J. Renz*1, M. Jessica2; 1University of Wisconsin Madison, Madison, WI, 2The Ohio State University, Madison, WI (423)

 

2:15   Enlist Soybean Crop Tolerance to PRE and VE Applications of 2,4-D plus Residual Herbicides. J. M. Ellis*1, J. A. Huff2, B. D. Olson3, A. T. Ellis4, K. D. Johnson5; 1Dow AgroSciences, Smithville, MO, 2Dow AgroSciences, Herrin, IL, 3Dow AgroSciences, Geneva, NY, 4Dow AgroSciences, Greenville, MS, 5Dow AgroSciences, Barnesville, MN (424)

 

2:30   The Effect of Nitrogen Rate on Volunteer Corn Bt Protein Expression. P. T. Marquardt*, C. H. Krupke, J. J. Camberato, W. G. Johnson; Purdue University, West Lafayette, IN (425)

 

2:45   Section Business Meeting




THURSDAY  AFTERNOON    FEBRUARY 9

Section 3. Turf and Ornamental Crops

LOCATION:   Kona Ballroom 5
TIME:   1:00 PM - 3:00 PM
CHAIR:   Travis Gannon
    North Carolina State University
    Raleigh, NC
MODERATOR:   Travis Gannon
    North Carolina State University
    Raleigh, NC

 

*SPEAKER

 

1:00   Leaching Behavior of Two Pendimethalin Formulations in a Soilless Mix. L. Robertson*1, J. Derr2; 1Virginia Tech, Blacksburg, VA, 2Virginia Tech, Virginia Beach, VA (426)

 

1:15   Characterization of Aminocyclopyrachlor in Tall Fescue [Lolium arundinaceum (Schreb.) S.J. Darbyshire]. D. F. Lewis*, R. J. Richardson, F. H. Yelverton; North Carolina State University, Raleigh, NC (427)

 

1:30   Postemergence Weed Control with Microwave Radiation. A. Rana*, J. Derr; Virginia Tech, Virginia Beach, VA (428)

 

1:45   Status of Weed and Weed Control in Golf Turf of China  . X. Guang*; East China Weed Technology Institute, Nanjing, Peoples Republic (429)

 

2:00   Analysis of ALS Herbicide-Resistant Annual Bluegrass (Poa annua L.). R. B. Cross*, B. McCarty, N. Tharayil, T. Whitwell, A. G. Estes, W. Bridges; Clemson University, Clemson, SC (430)

 

2:15   Adding Low Rates of Herbicides to Corn Gluten Meal for Improved Crabgrass Control in Cool-Season Turf. A. Smith*, S. Askew; Virginia Tech, Blacksburg, VA (431)

 

2:30   An Overview of Turfgrass Weed Management Implications of Cosmetic Pesticide Ban in Ontario, Canada . E. M. Lyons*, K. S. Jordan, F. J. Tardif; University of Guelph, Guelph, ON (432)

 

2:45   Section Business Meeting




THURSDAY  AFTERNOON    FEBRUARY 9

Section 11. Physiology

LOCATION:   Kona 1 & 2
TIME:   1:00 PM - 3:15 PM
CHAIR:   Patrick Tranel
    University of Illinois
    Urbana, IL
MODERATOR:   Patrick Tranel
    University of Illinois
    Urbana, IL

 

*SPEAKER

 

1:00   Mechanism of Glyphosate Resistance in Central Great Plains Kochia. P. Westra*1, A. Wiersma1, S. T. Chisholm1, P. W. Stahlman2, A. S. Godar3, R. S. Currie4; 1Colorado State University, Fort Collins, CO, 2Kansas State University, Hays, KS, 3Kansas State University, Manhattan, KS, 4Kansas State University, Garden City, KS (433)

 

1:15   Evaluating Mechanisms of Glyphosate Resistance in Junglerice from California. R. Alarcón-Reverte*, A. García, A. J. Fischer; University of California, Davis, Davis, CA (434)

 

1:30   31P NMR Investigations of Glyphosate Resistance Mechanisms; Sequestration and Exclusion. D. Sammons*1, E. Ostrander1, B. Duncan1, X. Ge2, A. D'Avignon2, J. Ackerman2; 1Monsanto Company, St. Louis, MO, 2Washington University, St. Louis, MO (435)

 

1:45   Importance of a Novel P106L Mutation in Conferring Resistance to Glyphosate in a Rye Grass Population. S. S. Kaundun*1, R. P. Dale1, I. Zelaya2, G. Dinelli3, I. Marotti3, E. Mcindoe1, A. Cairns4; 1Syngenta, Bracknell, England, 2Syngenta, Jealot Hills, England, 3University of Bologna, Bologna, Italy, 4University of Stellenbosch, Matieland, South Africa (436)

 

2:00   Determining the Mechanism of Glyphosate Resistance in Giant Ragweed (Ambrosia trifida L.) in Ontario. A. C. Green*1, F. J. Tardif1, P. H. Sikkema2; 1University of Guelph, Guelph, ON, 2University of Guelph, Ridgetown, ON (437)

 

2:15   Apomixis Involvement in Inheritance of Glyphosate Resistance in Amaranthus palmeri from Mississippi. D. N. Ribeiro*1, Z. Pan2, F. E. Dayan3, S. O. Duke4, V. K. Nandula5, D. R. Shaw6, B. S. Baldwin1; 1Mississippi State University, Starkville, MS, 2University of Mississippi, Oxford, MS, 3USDA-ARS, University, MS, 4USDA-ARS, Oxford, MS, 5USDA-ARS, Stoneville, MS, 6Mississippi State University, Mississippi State, MS (438)

 

2:30   Molecular Evolution of Glyphosate-resistant Amaranthus palmeri. N. R. Burgos*1, A. Lawton-Rauh2, E. L. Alcober1, T. Tseng1, A. Mauromoustakos1, K. Beard2, P. J. Tranel3, K. Waselkov4; 1University of Arkansas, Fayetteville, AR, 2Clemson University, Clemson, SC, 3University of Illinois, Urbana, IL, 4Washington University, St. Louis, MO (439)

 

2:45   Examining EPSPS; Assays, Westerns and Mutants. D. Sammons*1, D. Wang2, E. Ostrander1, T. A. Gaines3, P. Westra4; 1Monsanto Company, St. Louis, MO, 2Monsanto, St. Louis, MO, 3University of Western Australia, Crawley, WA, Australia, 4Colorado State University, Fort Collins, CO (440)

 

3:00   Section Business Meeting