PROGRAM
MONDAY AFTERNOON FEBRUARY 7
Section 1. Agronomic Crops
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 2. Horticultural Crops
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 3. Turf and Ornamental Crops
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 4. Pasture, Rangeland, Forest, and Rights of Way
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 5. Wildland and Aquatic Invasive Plants
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 6. Regulatory Aspects
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 7. Education and Extension
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 8. Formulation, Adjuvant and Application Technology
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 9. Weed Biology and Ecology
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 10. Biocontrol of Weeds
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 11. Physiology
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 12. Soil and Environmental Aspects
*PRESENTER
MONDAY AFTERNOON FEBRUARY 7
Section 13. Integrated Weed Management
*PRESENTER
TUESDAY MORNING FEBRUARY 8
Section 2. Horticultural Crops
LOCATION: | Galleria North | |
TIME: | 10:30 AM - 12:00 PM | |
CHAIR: | Rick Boydston | |
USDA-ARS | ||
Prosser, WA |
*SPEAKER
10:30 | Replacing Methyl Bromide on Georgia Farms. L. M. Sosnoskie*1, T. M. Webster2, A. S. Culpepper1; 1University of Georgia, Tifton, GA, 2USDA-ARS, Tifton, GA (143) |
10:50 | Brassica Genotype and Planting Time Influence Weed Control and Pumpkin Yield. J. B. Masiunas*, D. Anderson, J. DeDecker; University of Illinois, Urbana, IL (144) |
11:10 | Rye and Vetch Management for No-till Snap Bean Production. R. A. Boydston*1, M. M. Williams2; 1USDA-ARS, Prosser, WA, 2USDA-ARS, Urbana, IL (145) |
11:30 | Control of Perennial and Persistent Weeds in Old Blueberry Plantings. R. V. Tocco Jr.*, B. H. Zandstra, C. M. Herrmann; Michigan State University, East Lansing, MI (146) |
TUESDAY MORNING FEBRUARY 8
Section 5. Wildland and Aquatic Invasive Plants
LOCATION: | Broadway | |
TIME: | 10:30 AM - 12:00 PM | |
CHAIR: | Christopher Mudge | |
US Army Engineer Research and Development Center | ||
Vicksburg, MS |
*SPEAKER
10:30 | Field Evaluations of Herbicides for Bohemian Knotweed (Polygonum X bohemicum) Control. K. Patten1, C. Metzger2, V. F. Peterson*3; 1WSU, Long Beach, WA, 2Washington State Univerisity, Long Beach, WA, 3Dow AgroSciences, Mulino, OR (147) |
10:50 | Examining the Unpredictable Nature of Yellow Toadflax in Colorado. N. J. Krick*; Colorado State University, Fort Collins, CO (148) |
11:10 | Absorption and Translocation of Fluridone, Penoxsulam, and Triclopyr by Eurasian Watermilfoil and Hydrilla. J. D. Vassios*1, S. J. Nissen1, T. J. Koschnick2; 1Colorado State University, Fort Collins, CO, 2SePRO Corporation, Carmel, IN (149) |
11:30 | Impact of Herbicide Combinations on Non-target and Invasive Submersed Aquatic Plants. C. R. Mudge*1, L. M. Glomski2; 1US Army Engineer Research and Development Center, Vicksburg, MS, 2US Army Engineer Research and Development Center, Lewisville, TX (150) |
TUESDAY MORNING FEBRUARY 8
Section 6. Regulatory Aspects
LOCATION: | Parlor | |
TIME: | 10:30 AM - 12:00 PM | |
CHAIR: | Margaret Smither-Kopperl | |
USDA-NRCS | ||
Lockeford, CA |
*SPEAKER
10:30 | Rapid Response: Putting Early Detection & Rapid Response into Practice. A. V. Tasker*; USDA, APHIS, Plant Protection & Quarantine, Riverdale, MD (151) |
10:50 | New Federal Weed Risk Assessment Guidelines in Action: Examples for Three Species. B. P. Caton*1, A. Koop2, L. Fowler2, L. Newton2; 1USDA-APHIS-PPQ-CPHST, Raleigh, NC, 2USDA, Raleigh, NC (152) |
11:10 | Guidelines for the Molecular Identification of Invasive Plants. S. M. Talley*1, L. J. Cseke2; 1USDA, Fort Collins, CO, 2UAHuntsville, Huntsville, AL (153) |
11:30 | Detection of Significant Infestation of Goatsrue in McKean County Pennsylvania. M. Bravo*, J. Zoschg; Pennsylvania Department of Agriculture, Harrisburg, PA (154) |
11:50 | Business Meeting |
TUESDAY MORNING FEBRUARY 8
Section 12. Soil and Environmental Aspects
LOCATION: | Galleria South | |
TIME: | 10:30 AM - 12:00 PM | |
CHAIR: | Sharon Clay | |
South Dakota State University | ||
Brookings, SD |
*SPEAKER
10:30 | Effects of Irrigation with Reclaimed Wastewater on the Efficacy and Fate of ALS Inhibitors in Soil. G. Dvorkin, B. Rubin*, B. Chefetz; Hebrew University of Jerusalem, Rehovot, Israel (155) |
10:50 | Enhanced Atrazine Degradation: Degraders Numbers and Activity Four Years after Last s-triazine Application. L. Krutz*, R. M. Zablotowicz, K. N. Reddy; USDA-ARS, Stoneville, MS (156) |
11:10 | Contributions of Agronomic Practices, Precipitation Patterns, and Landscape Vulnerability to Atrazine Load in the Big Blue River Basin. K. Dhakal*1, M. L. Bernards1, M. Milner1, P. L. Barnes2, P. J. Shea1; 1University of Nebraska-Lincoln, Lincoln, NE, 2Kansas State University, Manhattan, KS (157) |
11:30 | Reductions in Runoff of Chlorotriazine Herbicides to Surface Water due to Adoption of Best Management Practices. R. S. Fawcett*; Fawcett Consulting, Huxley, IA (158) |
11:50 | Business Meeting |
TUESDAY AFTERNOON FEBRUARY 8
Graduate Student Luncheon
LOCATION: | Alexanders | |
TIME: | 12:00 PM - 1:00 PM | |
CHAIR: | Sarah True | |
North Carolina State University | ||
Raleigh, NC |
TUESDAY AFTERNOON FEBRUARY 8
Navigating the Universe of Grants, Contracts, and Gifts in the 21st Century
LOCATION: | Grand Ballroom II | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Chad Brommer | |
BASF | ||
Raleigh, NC |
*SPEAKER
1:00 | Musings of a Weed Science Grant Writer. C. L. Brommer*; BASF, Raleigh, NC (159) |
1:30 | The Industry Perspective on Grants and Aid. D. Refsell*; Valent, U.S.A. Co., Lathrop, MO (160) |
2:00 | Ethical Concerns When You Accept Funding. C. L. Brommer*; BASF, Raleigh, NC (161) |
2:30 | Web Gems. 21st Century Steps to Seek out Funding in Weed Science. C. L. Brommer*; BASF, Raleigh, NC (162) |
3:00 | Break |
3:20 | "Ask the elders" A Round Table of Weed Scientists on Both Sides of the Grant and Aid Process. C. L. Brommer*; BASF, Raleigh, NC (163) |
3:50 | Group Driven Grant and Aid Session. How to Leave WSSA 2011 Ready to Write or Acquire a Grant or Aid. C. L. Brommer*; BASF, Raleigh, NC (164) |
TUESDAY AFTERNOON FEBRUARY 8
Significance and Use of Sulfonylurea Herbicides in Turfgrass
LOCATION: | Parlor | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Prasanta Bhowmik | |
University of Massachusetts | ||
Amherst, MA |
*SPEAKER
1:00 | Introduction to the Symposium: History of Sulfonylurea Herbicides in Turfgrass Environments. P. C. Bhowmik*; University of Massachusetts, Amherst, MA (165) |
1:20 | Behavior of Sulfonylurea Herbicides in Plants: Mode-of-Action, Uptake, Translocation and Metabolism. J. S. Claus*, C. A. Silcox, H. M. Brown; DuPont Crop Protection, Wilmington, DE (166) |
1:40 | Sulfonylurea Herbicides Fate in Soil: Dissipation Mechanisms, Mobility, and Other Processes. T. L. Grey*1, P. E. McCullough2; 1University of Georgia, Tifton, GA, 2University of Georgia, Griffin, GA (167) |
2:00 | Movement of Sulfonylurea Herbicides to Nontarget Sites. S. Askew*; Virginia Tech, Blacksburg, VA (168) |
2:20 | Role of Adjuvants on Sulfonylurea Herbicide Efficacy. D. Sanyal*1, P. C. Bhowmik2; 1Monsanto Company, St. Louis, MO, 2University of Massachusetts, Amherst, MA (169) |
2:40 | Environmental and Seasonal Effects on Efficacy and Cool-Season Turfgrass Tolerance to ALS Inhibiting Herbicides. S. Hart*; Rutgers, The State University of New Jersey, New Brunswick, NJ (170) |
3:00 | Break |
3:20 | Use of Sulfonylurea Herbicides for Broadleaf Weed Control in Warm-Season Turfgrass. B. J. Brecke*; University of Florida, Jay, FL (171) |
3:40 | Broadleaf Weed Control with Sulfonylurea Herbicides in Cool-Season Turfgrass. J. Derr*; Virginia Tech, Virginia Beach, VA (172) |
4:00 | Cool-Season Grass Removal for Bermudagrass Spring Transition. K. Umeda*; University of Arizona, Phoenix, AZ (173) |
4:20 | Sulfonylurea Herbicides for Sedge & Kyllinga Control. F. H. Yelverton*1, P. C. Bhowmik2; 1North Carolina State University, Raleigh, NC, 2University of Massachusetts, Amherst, MA (174) |
4:40 | Sufonylurea Resistance in Weeds of Turf: Potential for Prevention. C. Mallory-Smith*, R. Golembiewski; Oregon State University, Corvallis, OR (175) |
TUESDAY AFTERNOON FEBRUARY 8
Section 1. Agronomic Crops
LOCATION: | Grand Ballroom I | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Lawrence Steckel | |
University of Tennessee | ||
Jackson, TN |
*SPEAKER
1:00 | Benchmark Study: Economics of Glyphosate-Resistant Weed Management. D. R. Shaw*1, M. D. Owen2, S. C. Weller3, B. G. Young4, R. G. Wilson5, D. L. Jordan6; 1Mississippi State University, Mississippi State, MS, 2Iowa State University, Ames, IA, 3Purdue University, West Lafayette, IN, 4Southern Illinois University, Carbondale, IL, 5University of Nebraska, Scottsbluff, NE, 6North Carolina State University, Raleigh, NC (176) |
1:20 | Benchmark Study: Efficacy and Economics of Weed Management Tactics of Growers versus University Recommendations. B. G. Young*1, J. M. Matthews1, D. L. Jordan2, P. M. Dixon3, R. G. Wilson4, S. C. Weller5, M. D. Owen3, D. R. Shaw6; 1Southern Illinois University, Carbondale, IL, 2North Carolina State University, Raleigh, NC, 3Iowa State University, Ames, IA, 4University of Nebraska, Scottsbluff, NE, 5Purdue University, West Lafayette, IN, 6Mississippi State University, Mississippi State, MS (177) |
1:40 | Managing Glyphosate-resistant Italian ryegrass in the Mississippi Delta. J. A. Bond*, T. W. Eubank, R. C. Bond, V. K. Nandula; Mississippi State University, Stoneville, MS (178) |
2:00 | Potential Tank-mix Combinations to Control Glyphosate-Resistant Giant Ragweed in Cotton. K. A. Barnett*, L. E. Steckel; University of Tennessee, Jackson, TN (179) |
2:20 | Managment of Glyphosate-Resistant Palmer Amaranth in Roundup Ready Soybeans. L. E. Steckel*, K. A. Barnett; University of Tennessee, Jackson, TN (180) |
2:40 | Control of HPPD-Resistant Waterhemp in Corn and Soybeans. G. D. Vail*1, C. L. Foresman1, N. D. Polge2, V. K. Shivrain1, D. A. Thomas3; 1Syngenta, Greensboro, NC, 2Syngenta, Vero Beach, FL, 3Syngenta, Monticello, IL (181) |
3:00 | Break |
3:20 | Competition of Transgenic Volunteer Corn with Soybean and Implications for Weed and Insect Resistance Management. P. T. Marquardt*, C. H. Krupke, W. G. Johnson; Purdue University, West Lafayette, IN (182) |
3:40 | Grower Attitudes Regarding Glyphosate Resistance: A Five Year Follow-up to the Benchmark Study. J. M. Prince*1, D. R. Shaw1, W. A. Givens1, S. C. Weller2, B. G. Young3, R. G. Wilson4, M. D. Owen5, D. L. Jordan6; 1Mississippi State University, Mississippi State, MS, 2Purdue University, West Lafayette, IN, 3Southern Illinois University, Carbondale, IL, 4University of Nebraska, Scottsbluff, NE, 5Iowa State University, Ames, IA, 6North Carolina State University, Raleigh, NC (183) |
4:00 | Benchmark Study: Four Years Later - Trends in Weed Spectrum and Population Density. M. D. Owen1, S. C. Weller*2, D. R. Shaw3, B. G. Young4, D. L. Jordan5, R. G. Wilson6, P. M. Dixon1; 1Iowa State University, Ames, IA, 2Purdue University, West Lafayette, IN, 3Mississippi State University, Mississippi State, MS, 4Southern Illinois University, Carbondale, IL, 5North Carolina State University, Raleigh, NC, 6University of Nebraska, Scottsbluff, NE (184) |
4:20 | Postemergence Weed Control in Sorghum Containing the DuPont™ Inzen™ AII and Inzen™ Z Herbicide Tolerance Traits. R. N. Rupp*1, E. Castner2, R. Edmund2, M. Edwards2, J. Harbour2, C. Medlin2, D. W. Saunders3; 1DuPont Crop Protection, Edmond, OK, 2DuPont Crop Protection, Wilmington, DE, 3DuPont Crop Protection, Johnston, IA (185) |
4:40 | Stewardship of DuPont™ Inzen™ AII and Inzen™ Z Herbicide Tolerant Traits in Sorghum. D. R. Forney*1, D. W. Saunders2, C. B. Hazel3, R. N. Rupp4; 1DuPont Crop Protection, Newark, DE, 2DuPont Crop Protection, Johnston, IA, 3DuPont Crop Protection, Wilmington, DE, 4DuPont Crop Protection, Edmond, OK (186) |
TUESDAY AFTERNOON FEBRUARY 8
Section 2. Horticultural Crops
LOCATION: | Galleria North | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Rick Boydston | |
USDA-ARS | ||
Prosser, WA |
*SPEAKER
1:00 | Annual Strawberry Tolerance to Herbicides applied under Polyethylene Mulch. A. W. MacRae*, R. Kelly; University of Florida/IFAS, Wimauma, FL (187) |
1:20 | Weed Management in Green Onions with Oxyfluorfen. D. Doohan*, T. Koch; The Ohio State University, Wooster, OH (188) |
1:40 | Preemergence and Postemergence Herbicides for Maximum Weed Control in Dry Bulb Onion. B. H. Zandstra*, C. M. Herrmann, R. V. Tocco Jr.; Michigan State University, East Lansing, MI (189) |
2:00 | Evaluation of PRE Application of s-metolachlor and Dimethenamid-p on Direct Seeded Onions Using Activated Carbon. J. Felix*, K. Osborne, J. Ishida; Oregon State University, Ontario, OR (190) |
2:20 | Postemergence Weed Control in Snap Bean, Carrot, and Lettuce Using a Precision-Guided Flame Weeder. C. M. Herrmann*, R. V. Tocco Jr., B. H. Zandstra; Michigan State University, East Lansing, MI (191) |
2:40 | Evaluation of an In-Row Rotating Cultivator in Vegetable Crops. S. A. Fennimore*1, R. F. Smith2, J. Rachuy2; 1University of California, Davis, Salinas, CA, 2University of California, Salinas, CA (192) |
3:00 | Break |
3:20 | Using Less Atrazine in Sweet Corn: Challenges to Overcome. M. M. Williams II*1, R. A. Boydston2, E. Peachey3, D. E. Robinson4; 1USDA-ARS, Urbana, IL, 2USDA-ARS, Prosser, WA, 3Oregon State University, Corvallis, OR, 4University of Guelph, Ridgetown, ON (193) |
3:40 | Can Linuron Replace Atrazine in Sweet Corn? J. B. Masiunas*, D. Anderson, L. Sun, X. Zhu; University of Illinois, Urbana, IL (194) |
4:00 | Indaziflam Applied Alone and in Tankmixture With Other Herbicides for Weed Control in Perennial Crops. D. Unland*1, H. Mager2, M. Edenfield3; 1Bayer CropScience, Research Triangle Park, NC, 2Bayer CropScience, Fountain Hills, AZ, 3Bayer CropScience, Lake Wales, FL (195) |
4:20 | An Update on the Pending New Registrations of Flazasulfuron in the United States. M. D. Grove*; ISK Biosciences, Spring, TX (196) |
4:40 | The IR-4 Project: Update on Weed Control Projects. M. Arsenovic*1, D. L. Kunkel2, J. J. Baron2; 1IR-4 Project, Princeton, NJ, 2Rutgers University, Princeton, NJ (197) |
5:00 | Business Meeting |
TUESDAY AFTERNOON FEBRUARY 8
Section 5. Wildland and Aquatic Invasive Plants
LOCATION: | Broadway | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Christopher Mudge | |
US Army Engineer Research and Development Center | ||
Vicksburg, MS |
*SPEAKER
1:00 | Ecology and Management of Natalgrass (Melinis repens) in Florida. C. Stokes1, G. MacDonald*1, K. Langeland1, C. Reinhardt-Adams1, D. Miller2; 1University of Florida, Gainesville, FL, 2University of Florida, Milton, FL (198) |
1:20 | Potential for Spread and Control of Western milfoil (Mryiophyllum hippuroides) in western US canals. L. W. Anderson*; USDA-ARS, Davis, CA (199) |
1:40 | The Life History of Common Reed: Phragmites australis (Cav.) Trin. Ex Steud. J. C. Cheshier*, J. D. Madsen, R. M. Wersal; Mississippi State University, Starkville, MS (200) |
2:00 | Ecological Determinants of Invasion by Sahara Mustard in Southwest Deserts. J. S. Holt*; University of California, Riverside, CA (201) |
2:20 | Effects of Non-Native Earthworms on the Spread of Garlic Mustard (Alliaria petiolata) in Indiana Deciduous Forests. P. M. Quackenbush*, N. Emery, E. Kladivko, M. Jenkins, K. Gibson; Purdue University, West Lafayette, IN (202) |
2:40 | The Effect of Spotted Knapweed, Centaurea maculosa, on Germination and Survival of the Rare, Threatened Pitcher’s Thistle, Cirsium pitcheri. S. M. Louda1, T. Rand2, K. Bradley3, K. K. Crider*4; 1University of Nebraska, Lincoln, NE, 2USDA-ARS, Sidney, MT, 3University of Nevada, Reno, NV, 4USDA Forest Service, Athens, GA (203) |
3:00 | Break |
3:20 | Weed Contaminants in Seed as a Pathway for Movement of Invasive Plants. J. S. Conn*; USDA-ARS, Fairbanks, AK (204) |
3:40 | Integrating Systematics and Invasion Biology: A Case Study from Antigonon leptopus. J. M. Burke*, A. DiTommaso; Cornell University, Ithaca, NY (205) |
4:00 | Stem Propagule Escape Potential of the Bioenergy Crops Miscanthus x giganteus and Arundo donax. J. Mann*1, J. N. Barney2, J. M. DiTomaso1; 1University of California, Davis, Davis, CA, 2Virginia Tech, Blacksburg, VA (206) |
4:20 | Business Meeting |
TUESDAY AFTERNOON FEBRUARY 8
Section 9. Weed Biology and Ecology
LOCATION: | Galleria South | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Richard Smith | |
University of New Hampshire | ||
Durham, NH |
*SPEAKER
1:00 | Molecular Genotyping to Distinguish Subspecies of Oplismenus. L. J. Cseke*1, S. M. Talley2; 1UAHuntsville, Huntsville, AL, 2USDA, Fort Collins, CO (207) |
1:20 | A Study to Evaluate the Morphological and Seed Persistence Changes Associated with Domestication of Cow Cockle Genotypes (Saponaria vaccaria .L). H. S. Duddu*; University of Saskatchewan, Saskatoon, SK (208) |
1:40 | Endodormancy Release in Crown Buds of Leafy Spurge Involves Overlapping Molecular Networks Responsive to Abiotic Stress. M. Dogramaci*1, M. J. Christoffers1, D. P. Horvath2, J. V. Anderson2; 1North Dakota State University, Fargo, ND, 2USDA-ARS, Fargo, ND (209) |
2:00 | Intergeneric Transgenic Hybrid in the Bentgrass Complex Produced in situ. M. L. Zapiola*1, C. Mallory-Smith2; 1Universidad Católica Argentina, Buenos Aires, Argentina, 2Oregon State University, Corvallis, OR (210) |
2:20 | Use of AFLP Markers to Assess Genetic Diversity in Palmer Amaranth (Amaranthus palmeri) Populations from North Carolina and Georgia. A. Chandi*1, S. Mila-Lewis1, D. L. Jordan1, J. D. Burton1, A. York1, J. Whitaker2, A. S. Culpepper3; 1North Carolina State University, Raleigh, NC, 2University of Georgia, Statesboro, GA, 3University of Georgia, Tifton, GA (211) |
2:40 | Molecular Genotyping within the Mikania Species Complex. L. J. Cseke*1, S. M. Talley2; 1UAHuntsville, Huntsville, AL, 2USDA, Fort Collins, CO (212) |
3:00 | Break |
3:20 | Inferring the Origins and Spread of Agricultural Weeds and Invasive Plants Using Molecular Tools. M. Jasieniuk*; University of California, Davis, Davis, CA (213) |
3:40 | Do White-Tailed Deer Affect Plant Invasion?: Insights from a Meta-Analysis. K. M. Averill*, D. A. Mortensen; The Pennsylvania State University, University Park, PA (214) |
4:00 | Secondary Seed Dispersal by Vehicles: Simulating Colonization on a Heterogeneous Landscape. L. J. Rew*, A. Wing, K. Taylor, B. D. Maxwell; Montana State University, Bozeman, MT (215) |
4:20 | Intra- and Inter-Specific Competition among Invasive and Native Species during Early Stages of Plant Growth. S. Mangla*1, R. L. Sheley2, J. J. James2, S. R. Radosevich1; 1Oregon State University, Corvallis, OR, 2Oregon State University, Burns, OR (216) |
4:40 | Nontoxic Roles of Polyphenols in Facilitating Plant Invasions: Case Study with Japanese Knotweed (Polygonum cuspidatum). N. Tharayil*1, S. Nirmalkumar1, D. Triebwasser1, P. Alpert2, P. C. Bhowmik2; 1Clemson University, Clemson, SC, 2University of Massachusetts, Amherst, MA (217) |
WEDNESDAY MORNING FEBRUARY 9
The US Witchweed Eradication Effort Turns 50
LOCATION: | Galleria North | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Alan Tasker | |
USDA, APHIS, Plant Protection & Quarantine | ||
Riverdale, MD |
*SPEAKER
8:00 | Parasitic Weeds - a World Challenge. D. M. Joel*; Agricultural Research Organization (ARO), Ramat-Yishay, Israel (218) |
8:30 | Overview of Methods Development Support for the USDA-Carolinas Witchweed Eradication Program - 1959-1995. R. G. Westbrooks*1, R. Eplee2, M. Langston2; 1U.S. Geological Survey, Whiteville, NC, 2USDA APHIS, Retired, Whiteville, NC (219) |
9:00 | Current Eradication Program for the Witchweed Infestation in the US. R. Iverson*; NC Dept Ag & Consumer Serv., Raleigh, NC (220) |
9:30 | Current Parasitic Weed Control Methods Development Efforts in the US. C. L. Ramsey*; USDA-APHIS, Fort Collins, CO (221) |
10:00 | Break |
10:20 | Orobanche minor and the 3 R's: Regulation, Research, and Reality. C. Mallory-Smith*; Oregon State University, Corvallis, OR (222) |
10:50 | Technologies for Precision Control of Orobanche. H. Eizenberg*; Newe Ya’ar Research Center, Ramat Yishay, Israel (223) |
WEDNESDAY MORNING FEBRUARY 9
Advances in Dose-Response Methodology Applied to the Science of Weed Control
LOCATION: | Grand Ballroom I | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Steven Seefeldt | |
USDA-ARS | ||
Fairbanks, AK |
*SPEAKER
8:00 | Dose-Response: Background and Perspectives on the Development of Analysis Methodology. S. S. Seefeldt*1, W. J. Price2, B. Shafii2; 1USDA-ARS, Fairbanks, AK, 2University of Idaho, Moscow, ID (224) |
8:20 | Estimation Techniques for Dose-response Functions. B. Shafii*1, W. J. Price1, S. S. Seefeldt2; 1University of Idaho, Moscow, ID, 2USDA-ARS, Fairbanks, AK (225) |
9:00 | Applied Dose-Response Models in Weed Science. W. J. Price*1, B. Shafii1, S. S. Seefeldt2; 1University of Idaho, Moscow, ID, 2USDA-ARS, Fairbanks, AK (226) |
10:00 | Break |
10:20 | Discussion |
WEDNESDAY MORNING FEBRUARY 9
Section 3. Turf and Ornamental Crops
LOCATION: | Parlor | |
TIME: | 8:15 AM - 12:00 PM | |
CHAIR: | Dustin Lewis | |
North Carolina State University | ||
Raleigh, NC |
*SPEAKER
8:15 | Efficacy of Liquid CO2 for Weed Control in Turfgrass Systems. D. F. Lewis*, T. W. Gannon, F. H. Yelverton; North Carolina State University, Raleigh, NC (227) |
8:35 | Growing Turfgrass Without Conventional Herbicides: Examining the Role of Alternative Strategies. C. Siva*, E. M. Lyons, F. J. Tardif, K. S. Jordan; University of Guelph, Guelph, ON (228) |
8:55 | Reduced Chemical Programs for Crabgrass Control in Cool Season Turf Using Corn Gluten Meal. A. Smith*, S. Askew; Virginia Tech, Blacksburg, VA (229) |
9:15 | Duration of Perennial Ryegrass Competition Affects Bermudagrass Quality. B. McNulty*, T. Middlesteadt, S. Askew; Virginia Tech, Blacksburg, VA (230) |
9:35 | Partial Control: A Novel Approach to Spring Transition of Overseeded Bermudagrass. B. McNulty*, T. Middlesteadt, S. Askew; Virginia Tech, Blacksburg, VA (231) |
9:55 | Break |
10:20 | Mesotrione Translocation in Kentucky Bluegrass and Annual Bluegrass. A. Post*1, M. Goddard2, S. Askew1; 1Virginia Tech, Blacksburg, VA, 2Monsanto, Scott, MS (232) |
10:40 | Preemergence Control of Parthenium hysterophorus and Commelina benghalensis. B. Stamps*; University of Florida/IFAS, Apopka, FL (233) |
11:00 | Business Meeting |
WEDNESDAY MORNING FEBRUARY 9
Section 4. Pasture, Rangeland, Forest, and Rights of Way
LOCATION: | Galleria South | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Ronald Wright | |
Mississippi State University | ||
Mississippi State, MS |
*SPEAKER
8:00 | Stewardship of Land Management Products and Solutions From DuPont Crop Protection. D. R. Forney*1, J. S. Claus2, R. R. Magee3, R. G. Turner4; 1DuPont Crop Protection, Newark, DE, 2DuPont Crop Protection, Wilmington, DE, 3DuPont Crop Protection, League City, TX, 4DuPont Crop Protection, Memphis, TN (234) |
8:20 | Chopper Gen2 Applied to Bareground for Pine Site Preparation. J. L. Yeiser*1, A. W. Ezell2; 1Stephen F Austin State University, Nacogdoches, TX, 2Mississippi State University, Starkville, MS (235) |
8:40 | Invasive Species Distribution Among Large Urban Park Forests in the Northeastern United States. R. E. Loeb*; The Pennsylvania State University, DuBois, PA (236) |
9:00 | New Developments in Woody Brush Control with aminopyralid Tank Mixes. V. F. Peterson*1, W. N. Kline2, P. L. Burch3; 1Dow AgroSciences, Mulino, OR, 2Dow AgroSciences, Duluth, GA, 3Dow AgroSciences, Christianburg, VA (237) |
9:20 | The Effect of Herbicides and Timing on Longleaf Seedling Survival and Height Growth on Old-Field Planted Sites in Georgia. E. D. Dickens*1, D. Moorhead2, B. McElvany3, R. Joyce4, W. Parker5; 1University of Georgia, Statesboro, GA, 2University of Georgia, Tifton, GA, 3University of Georgia, Soperton, GA, 4University of Georgia, Dublin, GA, 5University of Georgia, Millen, GA (238) |
9:40 | Control of Unwanted Hardwoods with Mixtures Containing aminocyclopyrachlor in Pine Site Preparation Areas. A. W. Ezell*1, J. L. Yeiser2; 1Mississippi State University, Starkville, MS, 2Stephen F Austin State University, Nacogdoches, TX (239) |
10:00 | Break |
10:20 | Use of indaziflam 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 (240) |
10:40 | Indaziflam for Railroad Weed Control. J. Ferrell*1, B. A. Sellers2, G. MacDonald1, J. Michel3, D. Spak4; 1University of Florida, Gainesville, FL, 2University of Florida, Ona, FL, 3Bayer CropScience PL, Orlando, FL, 4Bayer CropScience LP, Research Triangle Park, NC (241) |
11:00 | Aminocyclopyrachlor for Range and Pasture Weed Control. S. K. Rick*1, J. H. Meredith2, J. S. Claus3, C. Alford4; 1DuPont Crop Protection, Waterloo, IL, 2DuPont Crop Protection, Memphis, TN, 3DuPont Crop Protection, Wilmington, DE, 4DuPont Crop Protection, Denver, CO (242) |
11:20 | Rush Skeletonweed Management in Grasslands with aminocyclopyrachlor. T. Prather*1, I. C. Burke2, J. Wallace1; 1University of Idaho, Moscow, ID, 2Washington State University, Pullman, WA (243) |
11:40 | Weed Control with aminocyclopyrachlor in Pastures and Rangeland. R. N. Rupp*1, M. Edwards2, J. Harbour2, J. H. Meredith3, S. K. Rick4; 1DuPont Crop Protection, Edmond, OK, 2DuPont Crop Protection, Wilmington, DE, 3DuPont Crop Protection, Memphis, TN, 4DuPont Crop Protection, Waterloo, IL (244) |
WEDNESDAY MORNING FEBRUARY 9
Section 13. Integrated Weed Management
LOCATION: | Grand Ballroom II | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS |
*SPEAKER
8:00 | IWM is Level I IPM; Let's Aim Higher. R. F. Norris*; University of California, Davis, Davis, CA (245) |
8:20 | Do Beetles Eat Weed Seeds: The Effect of Site and Season on the Diet Composition of a Common Ground Beetle (Pterostichus melanarius) in Western Oregon Vegetable Crops. L. A. Moulton*, E. Peachey, A. Greco; Oregon State University, Corvallis, OR (246) |
8:40 | Utilizing the Critical Period of Weed Control Concept to Optimize Herbicide Timing in Lentil. L. Fedoruk1, S. Shirtliffe*2, E. N. Johnson3; 1BASF Canada, Saskatoon, SK, 2University of Saskatchewan, Saskatoon, SK, 3Agriculture and Agri-Food Canada, Scott, SK (247) |
9:00 | A Review of Smother Cropping and Associated Mechanisms of Weed Suppression. S. Wedryk*1, J. Cardina2; 1The Ohio State University, Columbus, OH, 2The Ohio State University, Wooster, OH (248) |
9:20 | Synergism Between Cereal Rye Mulch and Soybean Planting Density. M. R. Ryan*1, S. B. Mirsky2, D. A. Mortensen1, J. R. Teasdale2, W. Curran1; 1The Pennsylvania State University, University Park, PA, 2USDA-ARS, Beltsville, MD (249) |
9:40 | Effect of Nitrogen Rates and Plant Density on Growth Indices of Corn (Zea mays L.) Under Stale Seed-Bed Planting System. M. Farhang far*1, H. Rahimian Mashhadi2, M. R. Bihamta2; 1University of Tehran, Karaj, Iran, 2University of Tehran, Tehran, Iran (250) |
10:00 | Break |
10:20 | Evaluation of Interaction Between Fertilizer Rates and Herbicide Doseage on Corn Weed Control. A. Zare*; University of Tehran, Karaj, Iran (251) |
10:40 | Respect the Rotation - The Key to Weed Resistance Management. H. J. Strek*1, M. Hess1, D. Hurst2; 1Bayer CropScience, Frankfurt, Germany, 2Bayer CropScience, Raleigh, NC (252) |
11:00 | Common Ragweed in Glyphosate-Resistant Sugarbeet. J. M. Stachler*, J. L. Luecke, J. M. Fisher; North Dakota State University and University of Minnesota, Fargo, ND (253) |
11:20 | Systems to Manage Perennial Weeds in Organic Transition. W. C. Johnson III*; USDA-ARS, Tifton, GA (254) |
11:40 | Weed Management in Organic Vineyards. A. Shrestha*1, M. W. Fidelibus2, K. Kurtural1, M. L. Moretti1; 1California State University, Fresno, CA, 2University of California, Davis, Parlier, CA (255) |
12:00 | Business Meeting |
WEDNESDAY AFTERNOON FEBRUARY 9
The US Witchweed Eradication Effort Turns 50
LOCATION: | Galleria North | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Alan Tasker | |
USDA, APHIS, Plant Protection & Quarantine | ||
Riverdale, MD |
*SPEAKER
1:00 | The Parasitic Plant Genome Project: New Tools for Understanding the Biology of Orobanche and Striga. J. Westwood*; Virginia Tech, Blacksburg, VA (256) |
1:20 | Race-Specific Host Resistance to Striga - New Insights into an Old Foe. M. Timko*; University of Virginia, Charlottesville, VA (257) |
1:40 | Biotechnological Approaches to Parasitic Weed Control. R. Aly*; Newe Yaar Research Center, Ramat Yeshai, Israel (258) |
2:00 | Control of Striga using IR-Maize: A Success Story – How Long Will it Last? J. Ransom*1, F. Kanampiu2, M. Burnet3, J. Gressel4; 1North Dakota State University, Fargo, ND, 2CIMMYT, Nairobi, Kenya, 3Hi-Cap Formulations, Tubingen, Germany, 4Weizmann Institute of Science, Rehovot, Israel (259) |
2:20 | Current Approaches to Control of Cuscuta. T. Lanini*; University of California, Davis, Davis, CA (260) |
2:40 | Discussion |
WEDNESDAY AFTERNOON FEBRUARY 9
Nonchemical Tactics in Herbicide Resistant Management
LOCATION: | Grand Ballroom I | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Prashant Jha | |
Montana State University | ||
Huntley, MT |
*SPEAKER
1:00 | Integrated Cropping Practices Reduce the Risk of Resistance Development. R. E. Blackshaw*; Agriculture and Agri-Food Canada, Lethbridge, AB (261) |
1:30 | Weed Control Tactics and Weed Population Dynamics. N. R. Burgos*1, A. Lawton-Rauh2; 1University of Arkansas, Fayetteville, AR, 2Clemson University, Clemson, SC (262) |
2:00 | The Needle in the Haystack: Keeping it Lost. F. Forcella*; USDA, Morris, MN (263) |
2:30 | Preventing the spread of herbicide resistance. B. D. Maxwell*; Montana State University, Bozeman, MT (264) |
3:00 | Break |
3:20 | Gene Flow from Herbicide Resistant Crops: Will it Revive Non-chemical Weed Management Tactics? C. Mallory-Smith*, A. G. Hulting; Oregon State University, Corvallis, OR (265) |
3:50 | Integrating Nonchemical Practices into Simulation Modeling for Herbicide Resistance: A Proactive Strategy. J. K. Norsworthy*1, M. V. Bagavathiannan1, P. Neve2, K. L. Smith3, I. Zelaya4; 1University of Arkansas, Fayetteville, AR, 2University of Warwick, Wellesbourne, England, 3University of Arkansas, Monticello, Monticello, AR, 4Syngenta, Jealot Hills, England (266) |
4:20 | Impact of Cover Crop Residue and Tillage on the Control of Glyphosate-Resistant Palmer amaranth. A. S. Culpepper*1, L. M. Sosnoskie1, J. Kichler2, L. E. Steckel3; 1University of Georgia, Tifton, GA, 2University of Georgia, Oglethorpe, GA, 3University of Tennessee, Jackson, TN (267) |
WEDNESDAY AFTERNOON FEBRUARY 9
Section 1. Agronomic Crops
LOCATION: | Grand Ballroom II | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Lawrence Steckel | |
University of Tennessee | ||
Jackson, TN |
*SPEAKER
1:00 | Engineered Resistance to HPPD Inhibitors, the Next Generation of Weed Management in Soybean. B. S. Manley*1, G. D. Vail2, B. Vernooij1, K. Terpstra3, A. Silverstone1; 1Syngenta Biotechnology, Inc., Research Triangle Park, NC, 2Syngenta, Greensboro, NC, 3Syngenta Seeds, Inc., Clinton, IL (268) |
1:20 | Crop Tolerance and Yield of Dow AgroSciences Herbicide Trait Technology in Corn. J. M. Ellis*1, S. C. Ditmarsen2, D. M. Simpson3, D. C. Ruen4, S. M. Ferguson5, N. N. Carranza6, C. A. Gallup7, B. W. Hopkins8; 1Dow AgroSciences, Smithville, MO, 2Dow AgroSciences, Madison, WI, 3Dow AgroSciences, Indianapolis, IN, 4Dow AgroSciences, Lanesboro, MN, 5Dow AgroSciences, Omaha, NE, 6Dow AgroSciences, Bogota, Colombia, 7Dow AgroSciences, Davenport, IA, 8Dow AgroSciences, Westerville, OH (269) |
1:40 | DHT Soybean Yield Components Response to Postemergence Applications of 2,4-D. A. P. Robinson*1, D. M. Simpson2, W. G. Johnson1; 1Purdue University, West Lafayette, IN, 2Dow AgroSciences, Indianapolis, IN (270) |
2:00 | Weed Control in Dicamba-Resistant Soybeans. C. B. Brabham*1, B. Johnson1, B. G. Young2, J. M. Matthews2, P. T. Marquardt1, C. Slack3, K. W. Bradley4, A. York5, A. S. Culpepper6, A. Hager7, K. Al-Khatib8, L. E. Steckel9, M. Moechnig10, M. Loux11, M. L. Bernards12, R. J. Smeda4; 1Purdue University, West Lafayette, IN, 2Southern Illinois University, Carbondale, IL, 3University of Kentucky, Lexington, KY, 4University of Missouri, Columbia, MO, 5North Carolina State University, Raleigh, NC, 6University of Georgia, Tifton, GA, 7University of Illinois, Urbana, IL, 8Kansas State University, Manhattan, KS, 9University of Tennessee, Jackson, TN, 10South Dakota State University, Brookings, SD, 11The Ohio State University, Columbus, OH, 12University of Nebraska-Lincoln, Lincoln, NE (271) |
2:20 | Management of Glyphosate-Resistant Waterhemp and Common Ragweed in Dicamba-Resistant Soybeans. R. J. Smeda*1, S. Seifert-Higgins2; 1University of Missouri, Columbia, MO, 2Monsanto Company, St. Louis, MO (272) |
2:40 | Effect of Dicamba Rates on Soybean Yield Components. A. P. Robinson*, W. G. Johnson; Purdue University, West Lafayette, IN (273) |
3:00 | Break |
3:20 | Saflufenacil Efficacy on Horseweed (Conyza canadensis) and Effects on the Absorption and Translocation of Glyphosate. T. W. Eubank*1, V. K. Nandula1, K. N. Reddy2, D. R. Shaw3; 1Mississippi State University, Stoneville, MS, 2USDA-ARS, Stoneville, MS, 3Mississippi State University, Mississippi State, MS (274) |
3:40 | Pindar[TM] GT Control of Conyza sp. Biotypes in California. M. Sorribas*1, M. L. Moretti2, A. Shrestha2, R. K. Mann1, G. W. Sthur3, M. L. Fisher3; 1Dow AgroSciences, Indianapolis, IN, 2California State University, Fresno, CA, 3Dow AgroSciences, Fresno, CA (275) |
4:00 | Pindar GT: Results of Large Scale Demonstration Trials in California in 2010. J. P. Mueller*1, B. Bisabri2, M. L. Fisher3, M. Sorribas4, R. K. Mann4, D. G. Shatley5, J. Yerneni3; 1Dow AgroSciences, Brentwood, CA, 2Dow AgroSciences, Orinda, CA, 3Dow AgroSciences, Fresno, CA, 4Dow AgroSciences, Indianapolis, IN, 5Dow AgroSciences, Lincoln, CA (276) |
4:20 | Herbicide Programs for the Management of Palmer Amaranth and Waterhemp in Conventional, Glyphosate-Resistant, and Glufosinate-Resistant Soybeans. K. K. Rosenbaum*, T. R. Legleiter, K. W. Bradley; University of Missouri, Columbia, MO (277) |
4:40 | Grain Sorghum Response to Pyrasulfotole & Bromoxynil and Growth Regulators. N. G. Lally*1, C. R. Thompson1, D. Peterson1, L. Maddux2; 1Kansas State University, Manhattan, KS, 2Kansas State University, Rossville, KS (278) |
WEDNESDAY AFTERNOON FEBRUARY 9
Section 4. Pasture, Rangeland, Forest, and Rights of Way
LOCATION: | Galleria South | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Ronald Wright | |
Mississippi State University | ||
Mississippi State, MS |
*SPEAKER
1:00 | Evaluation of Cattle Grazing Patterns in Response to Herbicide Applications and Subsequent Weed Removal in Tall Fescue Pastures. K. W. Bradley*, B. C. Sather, T. R. Legleiter; University of Missouri, Columbia, MO (279) |
1:20 | Safening of metsulfuron with 2,4-D in Bahiagrass. B. A. Sellers*1, J. Ferrell2, G. MacDonald2; 1University of Florida, Ona, FL, 2University of Florida, Gainesville, FL (280) |
1:40 | The Effect of Weed Management following Glyphosate-resistant Alfalfa Stand Establishment on Forage Productivity and Stand Longevity. W. J. Everman*1, J. J. Kells1, R. H. Leep1, D. Min2, A. J. Chomas1, T. Dietz1; 1Michigan State University, East Lansing, MI, 2Michigan State University, Chatham, MI (281) |
2:00 | Warm Season Perennial Weed Control in Cool Season Grass Hay. W. Witt*; University of Kentucky, Lexington, KY (282) |
2:20 | SolviNix LC, the First Plant Virus-Based Bioherbicide. R. Charudattan*, E. Hiebert; BioProdex, Inc., Gainesville, FL (283) |
2:40 | Utility of aminopyralid + metsulfuron for Weed Control, Seedhead and Grass Height Suppression in Bahia and Fescue Roadsides. V. F. Peterson*1, W. N. Kline2, B. B. Sleugh3, P. L. Burch4, J. Ferrell5, W. Witt6, R. J. Smeda7, S. F. Enloe8, J. L. Belcher8, F. H. Yelverton9, L. S. Warren9; 1Dow AgroSciences, Mulino, OR, 2Dow AgroSciences, Duluth, GA, 3Dow AgroSciences, Des Moines, IA, 4Dow AgroSciences, Christianburg, VA, 5University of Florida, Gainesville, FL, 6University of Kentucky, Lexington, KY, 7University of Missouri, Columbia, MO, 8Auburn University, Auburn, AL, 9North Carolina State University, Raleigh, NC (284) |
3:00 | Break |
3:20 | Suppression of Medusahead Establishment with Preemergence aminopyralid and aminocyclopyrachlor Treatments. J. M. DiTomaso*, G. B. Kyser; University of California, Davis, Davis, CA (285) |
3:40 | Continuing aminocyclopyrachlor Research at Colorado State University. B. Lindenmayer*1, P. Westra1, S. J. Nissen1, D. L. Shaner2; 1Colorado State University, Fort Collins, CO, 2USDA, Fort Collins, CO (286) |
4:00 | Alternatives for MSMA along Roadsides. R. S. Wright*, J. D. Byrd; Mississippi State University, Mississippi State, MS (287) |
4:20 | Business Meeting |
WEDNESDAY AFTERNOON FEBRUARY 9
Section 11. Physiology
LOCATION: | Parlor | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Franck Dayan | |
USDA-ARS | ||
University, MS |
*SPEAKER
1:00 | A Framework for Defining Herbicide-Resistant Weed Biotypes. W. Vencill*1, R. L. Nichols2, D. G. Shilling1; 1University of Georgia, Athens, GA, 2Cotton Incorporated, Cary, NC (288) |
1:20 | Waterhemp Evolves Resistance to a Fifth Class of Herbicides, HPPD Inhibitors. P. J. Tranel*, N. E. Hausman, S. Singh, L. Gonzini, D. Maxwell, D. E. Riechers, A. Hager; University of Illinois, Urbana, IL (289) |
1:40 | Palmer Amaranth Biotypes Response to HPPD Inhibiting Herbicides. C. R. Thompson*, N. G. Lally, D. Peterson; Kansas State University, Manhattan, KS (290) |
2:00 | Cross-Resistance Patterns of Acetolactate Synthase (ALS) Inhibitor-Resistant Globe Fringerush (Fimbristylis miliacea) Biotypes in Southern Brazil. C. E. Schaedler*1, J. A. Noldin2, D. Agostinetto1, N. R. Burgos3, L. C. Fontana1; 1Universidade Federal de Pelotas, Pelotas, Brazil, 2Epagri, Itajai, Brazil, 3University of Arkansas, Fayetteville, AR (291) |
2:20 | Investigating Cross-Resistance to Glufosinate in Glyphosate-Resistant Italian Ryegrass Populations. W. V. Avila*, C. Mallory-Smith; Oregon State University, Corvallis, OR (292) |
2:40 | Potential for Evolution of Resistance to Pyroxasulfone in Lolium rigidum Populations. R. Busi*, T. A. Gaines, S. B. Powles; University of Western Australia, Crawley, WA, Australia (293) |
3:00 | Break |
3:20 | Biokinetics and Mechanism of Selectivity of Saflufenacil (KixorTM). C. L. Brommer*1, K. Grossmann2, R. A. Liebl3; 1BASF, Raleigh, NC, 2BASF Agricultural Research Center, Limburgerhof, Germany, 3BASF Corporation, Research Triangle Park, NC (294) |
3:40 | Feral Rye Stage of Growth Effects on Imidazolinone Translocation and Efficacy. M. Ostlie*1, D. L. Shaner2, P. Westra1; 1Colorado State University, Fort Collins, CO, 2USDA, Fort Collins, CO (295) |
4:00 | Absorption, Translocation, and Metabolism of Quizalofop and Rimsulfuron in Herbicide-Resistant Grain Sorghum. J. Abit*1, K. Al-Khatib1, M. Tuinstra2; 1Kansas State University, Manhattan, KS, 2Purdue University, West Lafayette, IN (296) |
4:20 | Influence of Light Intensity in Mechanism of Paraquat Resistance in Resistant (Conyza bonariensis) Biotype from California. M. L. Moretti*1, B. D. Hanson2, K. J. Hembree3, A. Shrestha1; 1California State University, Fresno, CA, 2University of California, Davis, Davis, CA, 3UCCE, Fresno, CA (297) |
4:40 | Impact of Pesticides on the Nutritional Content of Fruit and Leafy Tissue of Crops. G. Armel*, D. Kopsell, C. Sams, J. Vargas, R. Koepke-Hill; University of Tennessee, Knoxville, TN (298) |
WEDNESDAY AFTERNOON FEBRUARY 9
WSSA Business Meeting
LOCATION: | Galleria South | |
TIME: | 5:15 PM - 6:30 PM |
WEDNESDAY AFTERNOON FEBRUARY 9
Willamette Valley Reception
LOCATION: | Grand Ballroom I and II | |
TIME: | 6:30 PM - 8:00 PM |
THURSDAY MORNING FEBRUARY 10
Practitioners Forum
LOCATION: | Parlor | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Carol Mallory-Smith | |
Oregon State University | ||
Corvallis, OR |
THURSDAY MORNING FEBRUARY 10
The Science of Herbicide Discovery
LOCATION: | Grand Ballroom II | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Stephen Duke | |
USDA-ARS | ||
Oxford, MS |
*SPEAKER
8:00 | Why Are There No New Herbicide Modes of Action in Recent Years? S. O. Duke*; USDA-ARS, Oxford, MS (299) |
8:30 | QSAR and QSPR in Herbicide Discovery. R. D. Clark*; Simulations Plus, Inc., Lancaster, CA (300) |
9:00 | High Throughput Screening and Followup on Enzymes of the Non Mevalonate Pathway. M. C. Witschel*; BASF, Ludwigshafen, Germany (301) |
9:30 | Approaches to the Use of Natural Products for Herbicide Discovery. F. E. Dayan*; USDA-ARS, University, MS (302) |
10:00 | Break |
10:20 | Using "Physionomics and Metabolomics" Approaches to Discovery of New Modes of Action. K. Grossmann*; BASF Agricultural Research Center, Limburgerhof, Germany (303) |
10:50 | Chemical Genetic Approaches to Herbicide Discovery. T. A. Walsh*; Dow AgroSciences, Indianapolis, IN (304) |
11:20 | Discussion |
THURSDAY MORNING FEBRUARY 10
Section 1. Agronomic Crops
LOCATION: | Grand Ballroom I | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Lawrence Steckel | |
University of Tennessee | ||
Jackson, TN |
*SPEAKER
8:00 | Impact of Tillage Intensity, Post-Harvest Residue Management, and Herbicide Placement on Bermudagrass Interference in Sugarcane. C. D. Dalley*, E. P. Richard, Jr., R. P. Viator; USDA-ARS, Houma, LA (305) |
8:20 | Glyphosate Application Timing(s) and Tank Mixes for Weed Control and Resistance Management in Glyphosate-Resistant Sugar Beet. A. Anand*1, P. Jha2, J. O. Garcia2; 1Montana State University, Bozeman, MT, 2Montana State University, Huntley, MT (306) |
8:40 | Differences in Herbicide Response Among Barnyardgrass Populations from Mississippi. J. A. Bond*, V. K. Nandula, R. C. Bond, T. W. Eubank; Mississippi State University, Stoneville, MS (307) |
9:00 | Synergism of Imazethapyr plus Propanil Combinations for Red Rice Control in Clearfield Rice. E. P. Webster*, J. B. Hensley; LSU AgCenter, Baton Rouge, LA (308) |
9:20 | RebelEX for Broad Spectrum Weed Control in U.S. Rice. J. D. Siebert*1, A. T. Ellis1, V. B. Langston2, R. B. Lassiter3, R. K. Mann4, D. G. Shatley5, L. C. Walton6; 1Dow AgroSciences, Greenville, MS, 2Dow AgroSciences, The Woodlands, TX, 3Dow AgroSciences, Little Rock, AR, 4Dow AgroSciences, Indianapolis, IN, 5Dow AgroSciences, Lincoln, CA, 6Dow AgroSciences, Tupelo, MS (309) |
9:40 | Shade Avoidance: the Importance of Plant-to-Plant Variability. C. J. Swanton*1, E. Page1, P. Westra2, M. Loux3, A. Dobbels3, K. L. Smith4, J. Bullington4, H. Wright5, C. L. Foresman6; 1University of Guelph, Guelph, ON, 2Colorado State University, Fort Collins, CO, 3The Ohio State University, Columbus, OH, 4University of Arkansas, Monticello, Monticello, AR, 5Syngenta Crop Protection Canada Inc, Guelph, ON, 6Syngenta, Greensboro, NC (310) |
10:00 | Break |
10:20 | Pyroxasulfone:Profile of New Herbicide for Residual Weed Control. Y. Yamaji*1, H. Honda1, M. Kobayashi2, O. Watanabe2; 1Kumiai America, White Plains, NY, 2Kumiai Chemical Industry, Tokyo, Japan (311) |
10:40 | Utility of Pyroxasulfone for Residual Weed Control in Corn and Soybean. W. E. Thomas*1, J. S. Harden1, R. Bond1, S. J. Bowe1, R. A. Liebl1, Y. Yamaji2, H. Honda2, T. Ambe3; 1BASF Corporation, Research Triangle Park, NC, 2Kumiai America, White Plains, NY, 3Kumiai Chemical Industry, Tokyo, Japan (312) |
11:00 | Management of Italian Ryegrass with Pyroxasulfone in Winter Wheat. S. Tan*1, R. Bond1, S. J. Bowe1, R. A. Liebl1, Y. Yamaji2, H. Honda2, T. Ambe3; 1BASF Corporation, Research Triangle Park, NC, 2Kumiai America, White Plains, NY, 3Kumiai Chemical Industry, Tokyo, Japan (313) |
11:20 | Evaluation of Pyroxasulfone for Grass Weed Management in Winter Wheat in Western Oregon. A. G. Hulting*, B. Hinds-Cook, D. Curtis, C. Mallory-Smith; Oregon State University, Corvallis, OR (314) |
11:40 | Impact of Volunteer Roundup-Ready Corn in Wheat-Corn-Fallow. A. Schlegel1, B. D. Olson2, J. D. Holman*3; 1Kansast State University, Tribune, KS, 2Dow AgroSciences, Geneva, NY, 3Kansas State University, Garden City, KS (315) |
THURSDAY MORNING FEBRUARY 10
Section 9. Weed Biology and Ecology
LOCATION: | Galleria | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Richard Smith | |
University of New Hampshire | ||
Durham, NH |
*SPEAKER
8:00 | Empirical Insights Inform a Spatially Explicit Invasive Species Model. E. Rauschert*, D. A. Mortensen; The Pennsylvania State University, University Park, PA (316) |
8:20 | Ecology, Biology and Control of Exotic-Invasive Weeds in Coastal Forestry of British Columbia, Canada. R. R. Prasad*; Pacific Forestry Centre, Victoria, BC (317) |
8:40 | Survey of Invasive Plants on Guam and Identification of the 20 Most Widespread. G. P. Reddy*; University of Guam, Mangilao, GU (318) |
9:00 | Top 10 Worst Herbicide Resistant Weeds Globally. I. M. Heap*; WeedSmart, Corvallis, OR (319) |
9:20 | Geographical Distribution of ACCase Inhibitor Resistant Echinochloa Species in Reclaimed Paddy Fields, Seosan, Korea. D. Kim, S. Lim*, M. Park; Seoul National University, Seoul, South Korea (320) |
9:40 | ALS Inhibitor Resistant Echinochloa Species Evolved in Korean Paddy Fields. D. Kim*, S. Kang, M. Yook, J. Song; Seoul National University, Seoul, South Korea (321) |
10:00 | Break |
10:20 | Status of Glyphosate-Resistant Italian Ryegrass in Mississippi. R. C. Bond*, V. K. Nandula, J. A. Bond, T. W. Eubank; Mississippi State University, Stoneville, MS (322) |
10:40 | Growth and Fitness of Glyphosate-Resistant Giant Ragweed. C. B. Brabham*, W. G. Johnson; Purdue University, West Lafayette, IN (323) |
11:00 | Studies on Glyphosate Resistant Giant Ragweed in Ontario. J. Vink1, F. J. Tardif*2, P. H. Sikkema1, D. E. Robinson1, M. B. Lawton3; 1University of Guelph, Ridgetown, ON, 2University of Guelph, Guelph, ON, 3Monsanto Canada, Guelph, ON (324) |
11:20 | A Modelling Approach for Understanding the Risks of Barnyardgrass Evolving Resistance to Herbicides in Rice. M. V. Bagavathiannan*1, J. K. Norsworthy1, K. L. Smith2, P. Neve3; 1University of Arkansas, Fayetteville, AR, 2University of Arkansas, Monticello, Monticello, AR, 3University of Warwick, Wellesbourne, England (325) |
11:40 | Differential Tolerance to Glufosinate and HPPD Inhibitors among Palmer Amaranth Populations. G. M. Botha*, N. R. Burgos, E. L. Alcobar; University of Arkansas, Fayetteville, AR (326) |
THURSDAY AFTERNOON FEBRUARY 10
Section 1. Agronomic Crops
LOCATION: | Grand Ballroom I | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Lawrence Steckel | |
University of Tennessee | ||
Jackson, TN |
*SPEAKER
1:00 | Timing the Removal of Winter Peas Intercropped with Winter Wheat to Optimize Available Soil Nitrogen and Moisture in a Dryland Small Grain System. K. A. Borrelli*, I. C. Burke, R. T. Koenig, D. R. Huggins, S. H. Hulbert; Washington State University, Pullman, WA (327) |
1:20 | The Impact of Two Years of Wild Oat Management After Four Years of Low Crop Inputs in Barley and Canola. K. N. Harker*1, S. Brandt2, J. T. O'Donovan1, R. E. Blackshaw3, E. N. Johnson2, R. Kutcher4; 1Agriculture and Agri-Food Canada, Lacombe, AB, 2Agriculture and Agri-Food Canada, Scott, SK, 3Agriculture and Agri-Food Canada, Lethbridge, AB, 4Agriculture and Agri-Food Canada, Melfort, SK (328) |
1:40 | Environmental Conditions, Growth Stages and Fungicides Affect Herbicide Tolerance of Winter Wheat. M. De Jong*1, P. H. Sikkema2, F. J. Tardif1, M. Cowbrough3; 1University of Guelph, Guelph, ON, 2University of Guelph, Ridgetown, ON, 3OMAFRA, Guelph, ON (329) |
2:00 | Preemergence Ethofumesate Increases Postemergence Spray Retention on Common Lambsquarters. A. R. Kniss1, D. C. Odero*2; 1University of Wyoming, Laramie, WY, 2University of Florida, Belle Glade, FL (330) |
2:20 | BAS762ACH for Postemergence Weed Control in Dry Beans. P. Jha*1, J. O. Garcia1, A. Anand2; 1Montana State University, Huntley, MT, 2Montana State University, Bozeman, MT (331) |
2:40 | Impact of Time of Day on Herbicide Efficacy in Soybean. P. H. Sikkema*1, R. E. Nurse2, N. Soltani1; 1University of Guelph, Ridgetown, ON, 2Agriculture and Agri-Food Canada, Harrow, ON (332) |
3:00 | Break |
3:20 | Efficacy and Crop Tolerance of GF-2654 and GF-2726 in Corn. E. F. Scherder*1, M. E. Schultz2, A. T. Ellis3, J. S. Richburg4, J. A. Huff5, B. D. Olson6, G. R. Tofoli7; 1Dow AgroSciences, Huxley, IA, 2Dow AgroSciences, Indianapolis, IN, 3Dow AgroSciences, Greenville, MS, 4Dow AgroSciences, Headland, AL, 5Dow AgroSciences, Herrin, IL, 6Dow AgroSciences, Geneva, NY, 7Dow AgroSciences, Goiania, Brazil (333) |
3:40 | Colorado Light Avoidance Corn Ecology Study. P. Westra*1, C. J. Swanton2, E. Page2, M. Loux3, A. Dobbels3, K. L. Smith4, J. Bullington4, H. Wright5, C. L. Foresman6; 1Colorado State University, Fort Collins, CO, 2University of Guelph, Guelph, ON, 3The Ohio State University, Columbus, OH, 4University of Arkansas, Monticello, Monticello, AR, 5Syngenta Crop Protection Canada Inc, Guelph, ON, 6Syngenta, Greensboro, NC (334) |
4:00 | Maize ( /Zea mays/ L.) Fitness in Response to Light Quality and Drought Stress. W. Obeidat*, C. J. Swanton; University of Guelph, Guelph, ON (335) |
4:20 | Sidedress Nitrogen Application Rate and Common Lambquarters Effect on Corn Grain Yield. L. E. Bast*, W. J. Everman, D. D. Warncke; Michigan State University, East Lansing, MI (336) |
4:40 | The Effect of the R:Fr Ratio on Maize Root Morphology. M. Afifi*, C. J. Swanton; University of Guelph, Guelph, ON (337) |
5:00 | Business Meeting |
THURSDAY AFTERNOON FEBRUARY 10
Section 7. Education and Extension
LOCATION: | Parlor | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Joe Armstrong | |
Oklahoma State University | ||
Stillwater, OK |
*SPEAKER
1:00 | Teaching Undergraduate Weed Science as a "Blended Course:" Instructor and Student Perspectives. P. B. Trewatha*; Missouri State University, Springfield, MO (338) |
1:20 | Forming Undergraduate Research Partnerships Focused On Invasive Plants. R. E. Loeb*; The Pennsylvania State University, DuBois, PA (339) |
1:40 | Status of Weed Science at Land-Grant Universities in the United States and its Territories. J. Derr*, A. Rana; Virginia Tech, Virginia Beach, VA (340) |
2:00 | Teaching Spray Nozzle Tip Selection. R. N. Klein*; University of Nebraska-Lincoln, North Platte, NE (341) |
2:20 | UGA Weed Science Survival Kit. E. P. Prostko*; University of Georgia, Tifton, GA (342) |
2:40 | Improved Herbicide-Resistance Management Through Education: Implementation of WSSA Training Modules to Increase Awareness of Herbicide-Resistance Management. J. M. Stachler*1, W. J. Everman2, L. Glasgow3, J. Schroeder4, D. R. Shaw5, J. K. Soteres6, F. J. Tardif7; 1North Dakota State University and University of Minnesota, Fargo, ND, 2Michigan State University, East Lansing, MI, 3Syngenta Crop Protection, Greensboro, NC, 4New Mexico State University, Las Cruces, NM, 5Mississippi State University, Mississippi State, MS, 6Monsanto Company, St. Louis, MO, 7University of Guelph, Guelph, ON (343) |
3:00 | Break |
3:20 | Risk Assessment of Glyphosate Resistance in Western Canada. H. J. Beckie*1, K. N. Harker2, L. M. Hall3, F. A. Holm4, R. H. Gulden5; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2Agriculture and Agri-Food Canada, Lacombe, AB, 3University of Alberta, Edmonton, AB, 4University of Saskatchewan, Saskatoon, SK, 5University of Manitoba, Winnipeg, MB (344) |
3:40 | Preparing Vineyard Managers for 2,4-D Tolerant Corn and Soybean. L. Jiang*, D. Doohan; The Ohio State University, Wooster, OH (345) |
4:00 | Development of the University of Alaska Fairbanks Invasive Plant Management Plan. M. E. Heidemann*1, S. Todd1, S. S. Seefeldt2, T. Wurtz3; 1University of Alaska Fairbanks, Fairbanks, AK, 2USDA-ARS, Fairbanks, AK, 3US Forest Service, Fairbanks, AK (346) |
4:20 | WeedImages.org: An Easy Way to Share Images, Maps and Information. J. H. LaForest*1, T. M. Webster2; 1University of Georgia, Tifton, GA, 2USDA-ARS, Tifton, GA (347) |
4:40 | ANOVA Under Different Approaches of Expressing Treatment Means as a Percentage of Control Mean. R. K. Godara*1, J. P. Geaghan2, B. J. Williams1; 1LSU AgCenter, Baton Rouge, LA, 2Louisiana State University, Baton Rouge, LA (348) |
5:00 | Business Meeting |
THURSDAY AFTERNOON FEBRUARY 10
Section 9. Weed Biology and Ecology
LOCATION: | Galleria | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Richard Smith | |
University of New Hampshire | ||
Durham, NH |
*SPEAKER
1:00 | Updated Report on Gene Flow. P. Byrne, P. Westra, C. T. Beil*; Colorado State University, Fort Collins, CO (349) |
1:20 | Shattercane x Sorghum Outcrossing in the Field. J. J. Schmidt*1, M. L. Bernards1, J. F. Pedersen2, J. L. Lindquist1; 1University of Nebraska-Lincoln, Lincoln, NE, 2USDA-ARS, University of Nebraska-Lincoln, Lincoln, NE (350) |
1:40 | The Effect of Digestive Tract in Different Holstein Cattle on Weed Seed Survival. H. Rahimian Mashhadi*1, M. D. Banadaki2, S. Rahimi2; 1University of Tehran, Tehran, Iran, 2University of Tehran, Karaj, Iran (351) |
2:00 | Identification of Weedy Species in Algae Production Systems. S. T. Chisholm*1, S. Fulbright1, J. Lang2, G. Wardle2, K. Dean2, P. Lammers2; 1Colorado State University, Fort Collins, CO, 2Solix Biofuels, Ft. Collins, CO (352) |
2:20 | Aspects of Floral Biology and Pollination Ecology of White Cockle (Silene latifolia). J. F. Anderson*; University of Saskatchewan, Saskatoon, SK (353) |
2:40 | Jointed Goatgrass (Aegilps cylindrica), a Secondary Product of Wheat Domestication? E. Sanchez Olguin*, J. Leonard, O. Riera-Lizarazu, C. Mallory-Smith; Oregon State University, Corvallis, OR (354) |
3:00 | Break |
3:20 | Role of Benzoxazinoid Compounds in Rye Allelopathy in Soil. J. R. Teasdale*, C. P. Rice, G. Cai; USDA-ARS, Beltsville, MD (355) |
3:40 | Modelling Herbicide Effects on Rice-Weed Competition in Transplanted Rice Cultivation. D. Kim1, B. Moon*2, J. Kim1; 1Seoul National University, Seoul, South Korea, 2Rural Development Administration, Suwon, South Korea (356) |
4:00 | Mulching Cover Crop Mixtures for Improved Weed Suppression in Organic Grain Crops. S. E. Wortman*, J. L. Lindquist, M. L. Bernards, R. Drijber, C. Francis; University of Nebraska-Lincoln, Lincoln, NE (357) |
4:20 | Emergence and Development of Red Sorrel (Rumex Acetosella L.) and Wild Blueberry Ramets (Vaccinium angustifolium Ait.). S. N. White*; University of Guelph, Truro, NS (358) |
4:40 | The Interaction of Shade Avoidance and Stress on Growth Development and Yield of Maize. E. Page, W. Liu, D. Cerrudo, C. J. Swanton*; University of Guelph, Guelph, ON (359) |
5:00 | Business Meeting |
THURSDAY AFTERNOON FEBRUARY 10
Section 11. Physiology
LOCATION: | Grand Ballroom II | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Franck Dayan | |
USDA-ARS | ||
University, MS |
*SPEAKER
1:00 | A Quick and Colorful Method to Detect and Quantify Shikimic Acid in Whole Plant Tissues or Plant Extracts. K. A. Kretzmer*1, D. Sammons2, J. P. Frantz1, P. J. Morris1; 1Monsanto Company, St Louis, MO, 2Monsanto Company, St. Louis, MO (360) |
1:20 | Temporal Affects on the Glyphosate Chlorimuron Interaction. R. K. Bethke*1, J. Michael2, D. Penner2; 1Auburn University, Auburn, AL, 2Michigan State University, East Lansing, MI (361) |
1:40 | Response of Conyza spp to Glyphosate is Temperature and Plant Age Dependent. B. Rubin*, Z. Kleinman, G. Ben-Ami, M. Sibony; Hebrew University of Jerusalem, Rehovot, Israel (362) |
2:00 | Response Patterns of Suspected Glyphosate Resistant Kochia Accessions. A. Wiersma*1, P. Westra1, J. E. Leach1, C. Preston2; 1Colorado State University, Fort Collins, CO, 2University of Adelaide, Adelaide, Australia (363) |
2:20 | Glyphosate Resistance in Conyza bonariensis and Lolium rigidum in Israel. Z. Kleinman, M. Matzrafi, M. Sibony, B. Rubin*; Hebrew University of Jerusalem, Rehovot, Israel (364) |
2:40 | Glyphosate Resistance in a Johnsongrass (Sorghum halepense L.) Biotype from Arkansas. D. S. Riar*, J. K. Norsworthy, D. B. Johnson, R. C. Scott, M. V. Bagavathiannan; University of Arkansas, Fayetteville, AR (365) |
3:00 | Break |
3:20 | Summarizing Glyphosate Resistance Mechanisms: More Exclusion Examples. D. Sammons*1, E. Ostrander2, B. Duncan2, X. Ge3, A. D'Avignon3, J. Ackerman3, K. L. Smith4, A. Collavo5, M. Sattin6; 1Monsanto Company, St. Louis, MO, 2Monsanto, St. Louis, MO, 3Washington University, St. Louis, MO, 4University of Arkansas, Monticello, Monticello, AR, 5Consiglio Nazionale delle Ricerche (CNR), Padua, Italy, 6CNR, Padua, Italy (366) |
3:40 | Understanding the Mn Chelation Properties of Glyphosate in Glyphosate-Resistant Soybean. D. Sammons*1, S. Murdock2, M. Bleeke2, A. Mehrsheikh2, R. Grabiak2, W. Harris3; 1Monsanto Company, St. Louis, MO, 2Monsanto, St. Louis, MO, 3University of Missouri St. Louis, St. Louis, MO (367) |
4:00 | Evidence for Maternal Inheritance of Glyphosate Resistance in Amaranthus palmeri. D. N. Ribeiro*1, F. E. Dayan2, P. Zhiqiang3, S. O. Duke3, D. R. Shaw4, V. K. Nandula5; 1Mississippi State University, Starkville, MS, 2USDA-ARS, University, MS, 3USDA-ARS, Oxford, MS, 4Mississippi State University, Mississippi State, MS, 5Mississippi State University, Stoneville, MS (368) |
4:20 | Characterization of EPSPS Gene Amplification in Palmer Amaranth (Amaranthus palmeri). T. A. Gaines*1, S. Ward2, J. E. Leach2, S. T. Chisholm2, P. Westra2; 1University of Western Australia, Crawley, WA, Australia, 2Colorado State University, Fort Collins, CO (369) |
4:40 | Business Meeting |