PROGRAM
MONDAY AFTERNOON JANUARY 29
General Session
LOCATION: | Arlington Salon I, II, & III | |
TIME: | 4:00 PM - 6:00 PM | |
CHAIR: | Scott Senseman | |
University of Tennessee | ||
Knoxville, TN | ||
MODERATOR: | Scott Senseman | |
University of Tennessee | ||
Knoxville, TN |
*SPEAKER
4:00 | Introductions and Announcements. S. Senseman*; University of Tennessee, Knoxville, TN |
4:05 | Keynote: United States Department of Agriculture - Agricultural Research Service: The next 10 years. C. Jacobs-Young*; United States Department of Agriculture, Washington, DC |
4:25 | Keynote: The Status of Agriculture in the United States 2017. S. Perdue*; United States Department of Agriculture, Washington, DC |
4:45 | Presidential Address. J. McFarland*; Syngenta Crop Protection, Greensboro, NC |
5:00 | Presentation of Awards. D. Lingenfelter*; Penn State University, University Park, PA |
5:40 | Presentation of Fellow and Honorary Member Awards. K. Reddy*; USDA-ARS Crop Production Systems Res Unit, Stoneville, MS |
6:00 | WSSA Awardee Reception and Member Social. S. Senseman*; University of Tennessee, Knoxville, TN |
7:30 | Break |
MONDAY AFTERNOON JANUARY 29
WSSA Sustaining Member Exhibit Session
*PRESENTER
TUESDAY MORNING JANUARY 30
WSSA Sustaining Member Exhibit Session
*PRESENTER
WEDNESDAY MORNING JANUARY 31
WSSA Sustaining Member Exhibit Session
*PRESENTER
THURSDAY MORNING FEBRUARY 1
WSSA Sustaining Member Exhibit Session
*PRESENTER
TUESDAY MORNING JANUARY 30
Poster Contest - MS Students
*PRESENTER † STUDENT POSTER CONTEST
TUESDAY MORNING JANUARY 30
Poster Contest - PhD Students
*PRESENTER † STUDENT POSTER CONTEST
TUESDAY MORNING JANUARY 30
Section 1. Agronomic Crops
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 2. Horticultural Crops
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 3. Turf and Ornamental Crops
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 4. Pasture, Rangeland, Forest, and Rights of Way
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 5. Wildland and Aquatic Invasive Plants
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 6. Regulatory Aspects
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 7. Teaching and Extension
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 8. Formulation, Adjuvant and Application Technology
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 9. Weed Biology and Ecology
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 10. Biocontrol of Weeds
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 11. Physiology
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 12. Soil and Environmental Aspects
*PRESENTER
TUESDAY MORNING JANUARY 30
Section 13. Integrated Weed Management
*PRESENTER
TUESDAY MORNING JANUARY 30
Oral Contest - MS Students I
LOCATION: | Grand Salon K | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
CO-CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
10:00 | †Grain Sorghum (Sorghum bicolor) and Grass Weeds: Is There a Critical Period of Weed Control? J. J. Albers*1, A. Dille1, D. Peterson1, P. Stahlman2; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS (130) |
10:15 | †Differential Sensitivity of Weedy Rice (Oryza sative L.) Germplasm to Herbicides. S. Shrestha*1, N. Roma-Burgos2, G. Sharma1, T. Tseng3; 1Mississippi State University, Starkville, MS, 2University of Arkansas, Fayetteville, AR, 3Mississippi State University, Mississippi State, MS (131) |
10:30 | †The History and Spread of Palmer Amaranth (Amaranthus palmeri) in Ohio. A. Lamb*, M. Loux; The Ohio State University, Columbus, OH (132) |
10:45 | †Investigations of the Sensitivity of Various Tree and Ornamental Species to Driftable Fractions of 2,4-D and Dicamba. B. R. Dintelmann*, G. Bunton, M. Warmund, M. D. Bish, K. Bradley; University of Missouri, Columbia, MO (133) |
11:00 | †Potential Induction of Systemic Acquired Resistance in Soybean (Glycine max) by Soil-Applied Herbicides and the Effects on Disease Development. R. Stolte*1, A. M. Fakhoury2, J. P. Bond2, K. Gage3; 1SIU, Carbondale, IL, 2Plant Pathologist, Carbondale, IL, 3Southern Illinois University, Carbondale, IL (134) |
11:15 | †Tolerance of Sweet Potato (Ipomoea batatas) to Herbicides Applied in Plant Propagation Beds. S. Smith*, K. Jennings, D. Monks; North Carolina State University, Raleigh, NC (135) |
11:30 | †Organic weed management in Pulse Crops. O. Alba*; USASK, Saskatoon, SK (136) |
11:45 | †Influence of Multiple Herbicide Resistance on Growth and Development in Selected Populations of Amaranthus tuberculatus (Waterhemp). E. Jones*, M. Owen; Iowa State University, Ames, IA (137) |
TUESDAY MORNING JANUARY 30
Oral Contest - MS Students II
LOCATION: | Grand Salon J | |
TIME: | 10:00 AM - 11:45 AM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
CO-CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
10:00 | †Fall Panicum (Panicum dichotomiflorum) Control and Sugarcane (Saccharum officinarum) Response to Topramezone Alone or in Tank-Mixing with Triazine Herbicides.. R. Mereb Negrisoli*1, D. Odero1, G. E. MacDonald2, B. Sellers3, H. Laughinghouse4; 1University of Florida, Belle Glade, FL, 2University of Florida, Gainesville, FL, 3University of Florida, Ona, FL, 4University of Florida, Fort Lauderdale, FL (138) |
10:15 | Remote Determination of Weed Species and Density in Sweetpotato (Ipomoea batatas) Using In-Situ Spectroscopy. N. Basinger*1, K. Jennings1, E. L. Hestir2, D. Monks1, W. Everman1, D. Jordan1; 1North Carolina State University, Raleigh, NC, 2University of California, Merced, CA (139) |
10:30 | †Effect of Soil- vs. Foliar-Applied ALS-Inhibiting Herbicides on Control of ALS-Resistant Horseweed (Conyza canadensis). J. E. Boe*1, H. Nie2, J. Young3, B. Young3; 1Purdue University, Lafayette, IN, 2Purdue University, West Lafayette, IN, 3Purdue University, Brookston, IN (140) |
10:45 | Determining the Effects of Increased Rinse Volumes on Dicamba Removal from Contaminated Sprayers. Z. A. Carpenter*, D. B. Reynolds, A. B. Johnson; Mississippi State University, Mississippi State, MS (141) |
11:00 | †Conquering Linuron Resistant Pigweed (Amaranthus sp.) in Carrot (Daucus carota). T. J. de Boer*, C. Swanton; University of Guelph, Guelph, ON (142) |
11:15 | Effect of Nozzle, Carrier Volume, and Cover Crop Residue on Residual Herbicide Efficacy. B. P. Sperry*1, D. B. Reynolds2, J. Bond3, C. Ferguson4, G. Kruger5, A. Brown-Johnson6; 1Mississippi State University, Micanopy, FL, 2Mississippi State University, Mississippi State, MS, 3Delta Research and Extension Center, Stoneville, MS, 4Mississippi State University, MS State, MS, 5University of Nebraska, North Platte, NE, 6Mississippi State Chemical Laboratory, Mississippi State, MS (143) |
11:30 | †Weed Management and Grain Yield of Six Soybean (Glycine max) Systems in Conventional and No-Till. M. C. Geiger*1, J. L. Matthews2, R. Krausz3, K. Gage2; 1SIU, Carbondale, IL, 2Southern Illinois University, Carbondale, IL, 3Southern Illinois University, Belleville, IL (144) |
TUESDAY MORNING JANUARY 30
Oral Contest - PhD Students I
LOCATION: | Arlington Salon V | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
CO-CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
10:00 | †Validation of Standard Water Conditioning Testing. J. W. Adams*, R. Zollinger; North Dakota State University, Fargo, ND (145) |
10:15 | †Reduced Uptake and Translocation: a Potential Mechanism for Antagonism Between Tank-Mixtures of Glyphosate, Glufosinate, and Dicamba in Echinochloa crus-galli.. C. Meyer*1, J. Norsworthy1, R. S. Beffa2; 1University of Arkansas, Fayetteville, AR, 2Bayer CropScience, Frankfort / Main, Germany (146) |
10:30 | †Time of Day Effects on Peanut (arachis hypogaea) Herbicide Programs. O. Carter*, E. P. Prostko; University of Georgia, Tifton, GA (147) |
10:45 | †A Preliminary Analysis of the Transcriptome Following 2,4-D Treatment in Susceptible and Tolerant Red Clover (Trifolium pratense) Lines. L. Araujo*, M. Barrett, L. D. Williams, G. L. Olson, R. D. Dinkins, T. Bass; University of Kentucky, Lexington, KY (148) |
11:00 | †Palmer Amaranth (Amaranthus palmeri) Control Using Various Droplet Sizes of Acifluorfen and Lactofen. L. Franca*1, D. Dodds1, C. Samples1, G. Kruger2, T. Butts2; 1Mississippi State University, Mississippi State, MS, 2University of Nebraska, North Platte, NE (149) |
11:15 | †The Fate of Glyphosate in Roundup Ready Sugarbeet (Beta vulgaris). A. Barker*, F. E. Dayan; Colorado State University, Fort Collins, CO (150) |
11:30 | †Modelling of Novel Quizalofop-Resistant ACCase in Wheat. R. Bough*, C. M. Hildebrandt, T. Gaines, F. E. Dayan; Colorado State University, Fort Collins, CO (151) |
11:45 | †Challenges for Adopting Harvest Weed Seed Controls in an Organic Wheat (Triticum aestivum)-Soybean (Glycine max) Rotation. S. C. Haring*1, M. Flessner2, W. Everman3; 1University of California, Davis, CA, 2Virginia Tech, Blacksburg, VA, 3North Carolina State University, Raleigh, NC (152) |
TUESDAY MORNING JANUARY 30
Oral Contest - PhD Students II
LOCATION: | Arlington Salon VI | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
10:00 | Gene Flow of a Herbicide Resistance Trait from Palmer Amaranth (Amaranthus palmeri) to Tall Waterhemp (Amaranthus tuberculatus). N. Steppig*1, H. Nie2, J. Young3, B. Young3; 1Purdue University, Fayetteville, IN, 2Purdue University, West Lafayette, IN, 3Purdue University, Brookston, IN (153) |
10:15 | †Postemergence Herbicide Options for Common Ragweed (Ambrosia artemisiifolia L.) Control in Soybeans (Glycine max). S. Beam*1, M. Flessner2, K. W. Bamber2; 1Virginia Tech, Concord, NC, 2Virginia Tech, Blacksburg, VA (154) |
10:30 | †Use of Metam Potassium in Weed Control in Florida Strawberry. N. Boyd, K. K. Khatri*; University of Florida, Wimauma, FL (155) |
10:45 | †Interseeded Cover Crops Competitiveness in Grain Corn (Zea mays). A. Brooker*, K. Renner, C. Sprague; Michigan State University, East Lansing, MI (156) |
11:00 | †Response of Beta vulgaris to Reflected Light Quality. A. T. Adjesiwor*, A. Kniss; University of Wyoming, Laramie, WY (157) |
11:15 | †Interactions of Tank-Mix Partners with Paraquat for Enhanced Grass Control. M. Hay*, D. Peterson; Kansas State University, Manhattan, KS (158) |
11:30 | †Control Options for Toxic Perilla Mint (Perilla frutescens) in Forage Systems. D. Russell*1, J. D. Byrd, Jr.1, M. Zaccaro2; 1Mississippi State University, Mississippi State, MS, 2University of Arkansas, Fayetteville, AR (159) |
11:45 | †Increased Absorption of Mesotrione When Tank-Mixed with Atrazine Contributes to Improved Control of PS II- and HPPD-Inhibitor-Resistant Palmer Amaranth (Amaranthus palmeri). P. Chahal*1, M. Jugulam2, A. Jhala1; 1University of Nebraska, Lincoln, NE, 2Kansas State University, Manhattan, KS (160) |
TUESDAY AFTERNOON JANUARY 30
Oral Contest - MS Students I
LOCATION: | Grand Salon K | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
CO-CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
1:00 | †Influence of Formulations and Application Time of Day on Dicamba Air Concentrations Following Treatment. S. Farrell*, R. N. Lerch, M. D. Bish, K. Bradley; University of Missouri, Columbia, MO (161) |
1:15 | †Targeted Sequencing of SSR Markers and ALS-Herbicide Resistance Alleles in Grain Sorghum (Sorghum bicolor) and Weedy Relatives. J. Ziggafoos*1, R. Werle2, J. Lindquist1, A. Jhala1, D. L. Hyten1, M. K. Yerka3; 1University of Nebraska, Lincoln, NE, 2University of Nebraska, North Platte, NE, 3University of Nevada, Reno, NV (162) |
1:30 | †Band Sowing and Cultivation for Weed Management in Organic Grains. M. R. McCollough*, E. Gallandt; University of Maine, Orono, ME (163) |
1:45 | †Persistence of Dicamba and 2,4-D Herbicide Residues Following Low-Dose Applications in Sugarbeet (Beta vulgaris). M. Probst*, C. Sprague; Michigan State University, East Lansing, MI (164) |
2:00 | †Controlling Conyza canadensis with Cover Crops and Herbicides. A. D. Sherman*1, E. Haramoto2, J. Green2; 1University of Kentucky, Humboldt, IL, 2University of Kentucky, Lexington, KY (165) |
2:15 | †Control of False-Green Kyllinga (Kyllinga gracillima) with Various Herbicides. K. H. Diehl*1, M. T. Elmore1, D. P. Tuck1, A. J. Patton2, J. Carleo3, J. Sawyer3; 1Rutgers University, New Brunswick, NJ, 2Purdue University, W Lafayette, IN, 3NJAES, Cape May, NJ (166) |
2:30 | †Integration of Residual Herbicides and Cover Crops for Weed Control in a Soybean (Glycine max) Production System. D. Whalen*, M. D. Bish, M. Biggs, R. N. Lerch, K. Bradley; University of Missouri, Columbia, MO (167) |
2:45 | †Effectiveness of Pre-emergence Applied HPPD Herbicides on Controlling HPPD-Resistant Palmer Amaranth (Amaranthus palmeri). G. J. Gundy*, M. Hay, C. Thompson, A. Dille; Kansas State University, Manhattan, KS (168) |
3:00 | Break |
3:15 | †Evaluation of Fluridone in Cotton (Gossypium hirsutum) and Peanut (Arachis hypogaea). D. Teeter*1, T. A. Baughman1, R. Peterson2; 1Oklahoma State University, Ardmore, OK, 2OSU- Institute for Agriculltural BioScience, Ardmore, OK (169) |
3:30 | †Control of Glyphosate-resistant Waterhemp (Amaranthus tuberculatus var. rudis) in Ontario with the Roundup Ready 2 Xtend® Crop System. B. Hedges*, D. C. Hooker, P. Sikkema, D. E. Robinson; University of Guelph, Ridgetown, ON (170) |
TUESDAY AFTERNOON JANUARY 30
Oral Contest - MS Students II
LOCATION: | Grand Salon J | |
TIME: | 1:00 PM - 3:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
CO-CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
1:00 | †XtendFlex and Enlist Cotton (Gossypium hirsutum) Weed Management Systems in West Texas. K. Russell*1, P. Dotray1, W. Keeling2; 1Texas Tech University, Lubbock, TX, 2Texas A&M AgriLife Research, Lubbock, TX (171) |
1:15 | Effect of Palmer Amaranth (Amaranthus palmeri) Density on Yield of Grafted and Nongrafted Watermelon on Weed Seed Production. M. Bertucci*, K. Jennings, D. Monks, D. Jordan, J. R. Schultheis, F. J. Louws; North Carolina State University, Raleigh, NC (172) |
1:30 | †Efficacy of Chemical Control Methods on Giant Hogweed (Heracleum mantegazzianum). M. Grguric*1, M. Cowbrough2, F. J. Tardif1; 1University of Guelph, Guelph, ON, 2OMAFRA, Guelph, ON (173) |
1:45 | Break |
2:00 | †Biologically-Effective Dose of Tolpyralate Applied Post-Emergence for Annual Weed Control in Corn (Zea mays (L.)). B. Metzger*1, A. J. Raeder2, D. C. Hooker1, D. E. Robinson1, P. Sikkema1; 1University of Guelph, Ridgetown, ON, 2ISK Biosciences Americas, Concord, OH (174) |
TUESDAY AFTERNOON JANUARY 30
Oral Contest - PhD Students I
LOCATION: | Arlington Salon V | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
CO-CHAIR: | Darrin Dodds | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
1:00 | †Glufosinate-Resistant Italian Ryegrass (Lolium multiflorum): Involvement of Herbicide Metabolism and Mobility in the Mechanism of Resistance. C. Brunharo*1, C. Mallory-Smith2, B. Hanson3; 1University of California, Davis, CA, 2Oregon State University, Corvallis, OR, 3University of California, Winters, CA (175) |
1:15 | †Evaluating the Relative Contributions of Crop Rotation, Tillage, and Herbicide Diversity for Proactive Herbicide Resistant Kochia (Kochia scoparia) Management. E. G. Mosqueda*1, A. Kniss1, P. Jha2, N. C. Lawrence3, G. M. Sbatella1; 1University of Wyoming, Laramie, WY, 2Montana State University, Huntley, MT, 3University of Nebraska, Pullman, WA (176) |
1:30 | †FTIR Spectroscopy as a Method for the Detection and Differentiation of Various Auxin Herbicide Formulations Found in Damaged Cotton (Gossypium hirsutum) and Soybean (Glycine max) Plant Tissue. J. Buol*1, D. B. Reynolds1, A. Brown-Johnson2, C. Reid2; 1Mississippi State University, Mississippi State, MS, 2Mississippi State Chemical Laboratory, Mississippi State, MS (177) |
1:45 | †Research Needs for Sustainable Weed Management in Australian Agriculture. A. M. Peerzada*1, S. Manalil2, C. C. ODonnell1, S. W. Adkins2; 1The University of Queensland, Brisbane, Australia, 2University of Queensland, Gatton, Australia (178) |
2:00 | †Determining Genetic Diversity of Glyphosate Resistant Giant Ragweed (Ambrosia trifida) Using Molecular Markers. J. C. Walker*1, T. Tseng2, D. B. Reynolds2, D. Shaw2; 1PhD Candidate, Starkville, MS, 2Mississippi State University, Mississippi State, MS (179) |
2:15 | †Influence of Physical Properties of Landscape Mulch on Germination of Large Crabgrass (Digitaria sanguinalis) and Garden Spurge (Chamaesyce hirta). D. Saha*1, C. Marble2, G. E. MacDonald3, D. Odero4, B. J. Pearson5, H. E. Perez3; 1Mid-Florida Research and Education Center, University of Florida, Apopka, FL, 2University of Florida, Apopka, FL, 3University of Florida, Gainesville, FL, 4University of Florida, Belle Glade, FL, 5University of Florida - Mid Florida Research and Education Center, Apopka, FL (180) |
2:30 | †Relationship Between Glufosinate Phytotoxicity, Inhibition of Glutamine Synthetase and Ammonia Accumulation. H. K. Takano*, P. Westra, F. E. Dayan; Colorado State University, Fort Collins, CO (181) |
2:45 | †Integrated Weed Management and Herbicide Resistance Survey of Winter Annual Grasses in Colorado. N. Soni*1, S. J. Nissen1, P. Westra1, M. J. Walsh2, J. Norsworthy3, T. Gaines1; 1Colorado State University, Fort Collins, CO, 2University of Sydney, Narrabri, Australia, 3University of Arkansas, Fayetteville, AR (182) |
3:00 | Break |
3:15 | †Are all Auxin Herbicides Created Equal? A Transcriptome Analysis of the Auxin Herbicide Response in Horseweed (Conyza canadensis). C. McCauley*1, B. Young2; 1Purdue University, Crawfordsville, IN, 2Purdue University, Brookston, IN (183) |
TUESDAY AFTERNOON JANUARY 30
Oral Contest - PhD Students II
LOCATION: | Arlington Salon VI | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID | ||
MODERATOR: | Stephen Schraer | |
Syngenta | ||
Meridian, ID |
*SPEAKER † STUDENT CONTEST
1:00 | †Impact of Climate Change on Biology and Chemistry of An Invasive Weed Species, Parthenium hysterophorus L. A. A. Bajwa*1, B. S. Chauhan1, S. W. Adkins2; 1The University of Queensland, Gatton, Australia, 2University of Queensland, Gatton, Australia (184) |
1:15 | †Are Pre-Emegence Herbicides Better for Effective Weed Management in Glyphosate-Resistant Cotton (Gossypium hirsutum)?. N. Iqbal*1, S. Manalil1, B. S. Chauhan2, S. W. Adkins1; 1University of Queensland, Gatton, Australia, 2The University of Queensland, Gatton, Australia (185) |
1:30 | †Critical Time of Weed Removal in Popcorn (Zea mays everta) as Influence by Pre-Emergence Herbicides. E. Barnes*1, S. Knezevic2, N. C. Lawrence3, S. Irmak1, O. Rodriguez1, A. Jhala1; 1University of Nebraska, Lincoln, NE, 2University of Nebraska, Concord, NE, 3University of Nebraska, Pullman, WA (186) |
1:45 | †Sorption and Desorption of Indaziflam, Imazapic, and Amicarbazone in Soils with Varying Physical and Chemical Properties. P. V. Da Silva*1, S. L. Clark2, D. J. Sebastian2, M. Ortiz2, M. Faletti3, M. Figueiredo2, L. Ma4, P. A. Monquero5, P. J. Christoffoleti6, S. J. Nissen2; 1Universidade de Sao Paulo/ESALQ, Fort Collins, CO, 2Colorado State University, Fort Collins, CO, 3, Saint Louis, MO, 4University of British Columbia, Vancouver, BC, 5Universidade Federal de São Carlos, Araras, Brazil, 6University of Sao Paulo, Piracicaba, Brazil (187) |
2:00 | †Using Historical Data of Miconia calvescens to Optimize Management and Containment Across the East Maui Watershed. N. A. Jorgensen*1, J. Leary2, M. Renz1; 1University of Wisconsin, Madison, WI, 2University of Hawaii, Kula, HI (188) |
2:15 | †Impact of Palmer Amaranth (Amaranthus palmeri) Size on Yield in LibertyLink® Cotton (Gossypium hirstutum). M. Plumblee*1, D. Dodds2, S. Garris3, L. Franca2, C. Samples2; 1Mississippi State University, Mississippi State University, MS, 2Mississippi State University, Mississippi State, MS, 3Bayer CropScience, Bentonia, MS (189) |
2:30 | †Investigating the Population Genetic Structure of Glyphosate-Resistant and -Susceptible Palmer amaranth (Amaranthus palmeri) Populations. A. Küpper*1, T. Gaines1, D. Giacomini2, E. Patterson1, W. B. McCloskey3, H. K. Manmathan1; 1Colorado State University, Fort Collins, CO, 2University of Illinois, Urbana, IL, 3University of Arizona, Tucson, AZ (190) |
2:45 | †Three Year Evaluation of Herbicide Programs in XtendFlexTM Cotton (Gossypium hirsutum) on Growth, Development, and Yield. C. Samples*1, D. Dodds1, M. Plumblee2, L. Franca1; 1Mississippi State University, Mississippi State, MS, 2Mississippi State University, Mississippi State University, MS (191) |
3:00 | †Reproductive Fitness of Glyphosate-Resistant and Dicamba-Resistant Kochia (Kochia scoparia) in the Presence or Absence of Glyphosate and Dicamba. C. A. Lim*1, P. Jha1, A. J1, V. Kumar2; 1Montana State University, Huntley, MT, 2Kansas State University, Hays, KS (192) |
TUESDAY MORNING JANUARY 30
Section 1. Agronomic Crops
LOCATION: | Arlington Salon I | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN | ||
CO-CHAIR: | Sandeep Rana | |
Monsanto Company | ||
Galena, MD | ||
MODERATOR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN |
*SPEAKER
10:00 | Rediscovering a Dormant Molecule. H. Kraus*1, B. Sievernich2, S. Kevis3, R. L. Nielson4, S. Kandru5, G. Kraemer6, I. K. Francis7; 1BASF, Research Triangle Park, NC, 2, Limburgerhof, Germany, 3BASF plc, Bury St. Edmunds, England, 4BASF, Limburgerhof, Germany, 5BASF South East Asia Pte. Ltd., Singapore, Singapore, 6BASF SE, Limburgerhof, Germany, 7BASF, Tamworth, Australia (193) |
10:15 | Making Metribuzin Better with a New Formulation. G. Dahl*1, R. Edwards2, T. Hayden3, J. A. Gillilan4, D. M. Brown2, E. Spandl5, J. Gednalske6, R. L. Pigati5; 1WinField United, Eagan, MN, 2WinField United, River Falls, WI, 3WinField United, Ames, IA, 4WinField United, Springfield, TN, 5WinField United, Shoreview, MN, 6, River Falls, WI (194) |
10:30 | Insights on the Mode of Action of a New Herbicide for Cereals. R. Campe*, J. Hutzler, J. Lerchl, E. Stauffer, S. Tresch; BASF SE, Limburgerhof, Germany (195) |
10:45 | Trifludimoxazin: A Global Perspective on a Versatile PPO Herbicide. G. R. Armel*1, R. L. Nielson2, R. A. Liebl1, S. Bowe1, D. S. Hennigh1, I. K. Francis3, M. D. Oostlander4, R. A. Ramos5; 1BASF, Research Triangle Park, NC, 2BASF, Limburgerhof, Germany, 3BASF, Tamworth, Australia, 4BASF, Diamond City, AB, 5BASF, Sao Paulo, Brazil (196) |
11:00 | Analysis of Weather and Environmental Factors Associated with On-Target and Off-Target Dicamba Applications in 2017. M. D. Bish*1, L. Steckel2, P. Sikkema3, D. Peterson4, W. Johnson5, K. Bradley1; 1University of Missouri, Columbia, MO, 2University of Tennessee, Jackson, TN, 3University of Guelph, Ridgetown, ON, 4Kansas State University, Manhattan, KS, 5Purdue University, West Lafayette, IN (197) |
11:15 | An Update on Roundup Xtend™ Herbicide with VaporGrip® Technology, Pending Regulatory Approvals. R. Rector*1, N. Rana2; 1Monsanto Company, St. Louis, MO, 2Monsanto Company, St Louis, MO (198) |
11:30 | XtendiMax® Herbicide with VaporGrip® Technology Update. J. E. Herrmann*1, S. Allen2, J. Willis3; 1Monsanto Company, St. Louis, MO, 2Monsanto Company, Bonnie, IL, 3Monsanto Company, Saint Louis, MO (199) |
11:45 | XtendiMax® Herbicide with VaporGrip® Technology Field Studies. J. Hemminghaus*; Monsanto Company, Chesterfield, MO (200) |
TUESDAY AFTERNOON JANUARY 30
Section 1. Agronomic Crops
LOCATION: | Arlington Salon I | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN | ||
CO-CHAIR: | Sandeep Rana | |
Monsanto Company | ||
Galena, MD | ||
MODERATOR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN |
*SPEAKER
1:00 | XtendiMax® Herbicide with VaporGrip® Technology in Roundup Ready® 2 Xtend Soybean System. A. Barreiro, N. Rana*; Monsanto Company, St Louis, MO (201) |
1:15 | Performance of DiFlexx and DiFlexx Duo for Weed Management in Texas Corn. M. Matocha*1, S. A. Nolte2; 1Texas AgriLife Extension Service, College Station, TX, 2Texas A&M AgriLife Extension, College Station, TX (202) |
1:30 | Weed Control with Engenia Herbicide Systems in XtendFlex Cotton. S. A. Nolte*1, M. Matocha2; 1Texas A&M AgriLife Extension, College Station, TX, 2Texas AgriLife Extension Service, College Station, TX (203) |
1:45 | A No Observable Effect Level for Dicamba in Soybean and Cotton. G. Kruger*1, D. Latorre1, B. Bruss2, C. Sayer3, R. Shaw4; 1University of Nebraska, North Platte, NE, 2Nufarm, Raleigh, NC, 3Nufarm, Laverton North, Australia, 4AgriThority LLC, Kansas City, MO (204) |
2:00 | The Effect of Formulation on Dicamba Volatility as Measured by Low Tunnels. T. Barber1, A. Culpepper2, G. Kruger3, J. Norsworthy4, R. Rector5, G. Oakley6, D. B. Reynolds*6, R. Scott7, D. O. Stephenson8, B. Young9; 1University of Arkansas, Lonoke, AR, 2University of Georgia, Tifton, GA, 3University of Nebraska, North Platte, NE, 4University of Arkansas, Fayetteville, AR, 5Monsanto Company, St. Louis, MO, 6Mississippi State University, Mississippi State, MS, 7University of Arkansas Co-op Extension, Lonoke, AR, 8LSU AgCenter, Alexandria, LA, 9Purdue University, Brookston, IN (205) |
2:15 | Secondary Movement of Xtendimax and Engenia in Drift Trials: Is this Volatility? J. Norsworthy*1, T. Barber2, G. Kruger3, D. B. Reynolds4, L. Steckel5, B. Young6, K. Bradley7; 1University of Arkansas, Fayetteville, AR, 2University of Arkansas, Lonoke, AR, 3University of Nebraska, North Platte, NE, 4Mississippi State University, Mississippi State, MS, 5University of Tennessee, Jackson, TN, 6Purdue University, Brookston, IN, 7University of Missouri, Columbia, MO (206) |
2:30 | Quantitative Analysis of Sprayer Cleaning Efficacy Following 2,4-D and Dicamba Applications. F. B. Browne*, S. Li, K. J. Price; Auburn University, Auburn, AL (207) |
2:45 | Co-Application of Glyphosate with 2,4-D Accentuates 2,4-D Injury in Glyphosate-Resistant Corn. P. Sikkema*, N. Soltani; University of Guelph, Ridgetown, ON (208) |
3:00 | Break |
3:15 | New Alternatives for Weed Control Based on RinskorTM Active Herbicide. M. Morell*1, H. Perry2, N. Dalla Valle3, N. M. Carranza4, X. Huang5; 1Dow AgroSciences LLC, Indianapolis, IN, 2Dow AgroSciences, Leland, MS, 3Dow AgroSciences, Bologna, Italy, 4Dow AgroSciences, Ibague, Colombia, 5Dow AgroSciences, Indianapolis, IN (209) |
3:30 | Performance of Upland Rice (Oryza sativa. L) as Affected by Weed Control Treatments, Poultry Manure and Stand Density. D. olanrewaju*1, D. Oliver2, B. Olson3, W. A. Olson4, K. Omand5, J. Omielan6, R. Ondoua7, S. Oneto8, A. Orgeron9, J. Orlowski10, L. Ortiz-Ribbing11, E. Oseland12, G. Osteen13, Z. Ostojic14, E. Ott15, B. Ottis16; 1Federal University Dutse Nigeria, Dutse, Niue, 2, Fayetteville, AR, 3Dow AgroSciences LLC, Gothenburg, NE, 4Heartland Technologies Inc, Fishers, IN, 5, Nantucket, MA, 6University of Kentucky, Lexington, KY, 7Montana State University, Conrad, MT, 8, Jackson, CA, 9LSU, Baton Rouge, LA, 10Mississippi State University, Stoneville, MS, 11, Saint Paul, MN, 12University of Missouri, Columbia, MO, 13, Bakersfield, CA, 14, Zagreb, , 15Valent USA Corporation, Greenfield, IN, 16, Houston, TX (210) |
3:45 | Increasing Weed Management Options in Australian Pulse Production. D. Mao*1, S. Michelmore1, T. Sutton1, J. Paull2, L. McMurray3, C. Preston4; 1South Australian Research and Development Institute, South Australia, Australia, 2University of Adelaide, South Australia, Australia, 3South Australian Research and Development Institute, South Australian, Australia, 4University of Adelaide, Glen Osmond, Australia (211) |
4:00 | Herbicide Programs Affecting Palmer Amaranth Control in Conventional Soybeans. D. Sarangi*, A. Jhala; University of Nebraska, Lincoln, NE (212) |
4:15 | Survey of Palmer Amaranth (Amaranthus palmeri) Populations from Mississippi and Arkansas for Resistance to Fomesafen, Dicamba, and Glufosinate . A. Perez-Jones*1, C. Wu2, P. Feng3; 1Monsanto Company, Chesterfield, MO, 2Monsanto Company, Urbana, IL, 3Monsanto Company, Saint Louis, MO (213) |
4:30 | Precision Agriculture and the Diversity-Stability Hypothesis. C. Swanton*, V. Capmourteres, M. Anand, J. Adams, A. Berg; University of Guelph, Guelph, ON (214) |
4:45 | Role of Crop Competition in Managing Weeds. B. S. Chauhan*; The University of Queensland, Gatton, Australia (215) |
TUESDAY MORNING JANUARY 30
Section 5. Wildland and Aquatic Invasive Plants
LOCATION: | Arlington Salon II | |
TIME: | 10:00 AM - 11:00 AM | |
CHAIR: | Stephen Enloe | |
University of Florida | ||
Gainesville, FL | ||
CO-CHAIR: | Christopher Mudge | |
US Army Corps of Engineers | ||
Baton Rouge, LA | ||
MODERATOR: | Stephen Enloe | |
University of Florida | ||
Gainesville, FL |
*SPEAKER
10:00 | The Influence of Water Depth on Torpedograss Control with Herbicides. S. Enloe*; University of Florida, Gainesville, FL (216) |
10:15 | Ensemble Habitat Suitability Modeling for Invasive Plants: Assessing Model Performance and Accuracy Across 20 Species in Wisconsin. N. Jorgensen, M. Renz*; University of Wisconsin, Madison, WI (217) |
10:30 | Evaluation of UAV Technology for Invasive Terrestrial and Aquatic Plant Detection and Mapping. A. Howell1, R. Richardson*2, S. Hoyle2; 1North Carolina State University, Sanford, NC, 2North Carolina State University, Raleigh, NC (218) |
TUESDAY AFTERNOON JANUARY 30
Section 3. Turf and Ornamental Crops
LOCATION: | Arlington Salon III | |
TIME: | 3:15 PM - 5:00 PM | |
CHAIR: | Jeffrey Derr | |
Virginia Tech | ||
Virginia Beach, VA | ||
MODERATOR: | Jeffrey Derr | |
Virginia Tech | ||
Virginia Beach, VA |
*SPEAKER
3:15 | Selective Controls for Doveweed (Murdannia nudiflora). J. Derr*; Virginia Tech, Virginia Beach, VA (219) |
3:30 | A Biotype of Annual Bluegrass with Potential Resistance to PPO-Inhibitors from Georgia. P. McCullough*1, J. Yu2, M. A. Czarnota3; 1University of Georgia, Griffin, GA, 2University of Florida, Tampa, FL, 3University of Georgia, Williamson, GA (220) |
3:45 | Evaluation of Basamid Regimes for Non-Selective Bermudagrass Control. T. Gannon, F. Yelverton, S. Brinton*; North Carolina State University, Raleigh, NC (221) |
4:00 | Colonial Bentgrass (Agrostis capillaris) Injury Following Pre-Emergence Herbicide Application. M. T. Elmore*1, D. P. Tuck1, B. S. Park2, J. A. Murphy2; 1Rutgers University, New Brunswick, NJ, 2Rutgers University, New Brusnwick, NJ (222) |
4:15 | Seedling Emergence Patterns of Goosegrass (Eleusine indica) in Turfgrass. D. P. Tuck*, K. H. Diehl, M. T. Elmore; Rutgers University, New Brunswick, NJ (223) |
4:30 | Tolerance of Several Sedum Species to Postemergence Herbicides. A. Senesac*; Cornell Cooperative Extension, Riverhead, NY (224) |
4:45 | Response of Some Herbaceous Ornamentals to Two Pre-packaged Herbicide Mixtures. J. S. Aulakh*1, A. Witcher2; 1The Connecticut Agricultural Experiment Station, Windsor, CT, 2Tennessee State University, McMinnville, TN (225) |
TUESDAY AFTERNOON JANUARY 30
Section 4. Pasture, Rangeland, Forest, and Rights of Way
LOCATION: | Arlington Salon II | |
TIME: | 3:45 PM - 5:00 PM | |
CHAIR: | David Russell | |
Mississippi State University | ||
Mississippi State, MS | ||
CO-CHAIR: | Joseph Omielan | |
University of Kentucky | ||
Lexington, KY | ||
MODERATOR: | David Russell | |
Mississippi State University | ||
Mississippi State, MS |
*SPEAKER
3:45 | Giant Smutgrass and Bahiagrass Response to Burning, Grazing Intensity, and Hexazinone Rate. J. Dias*1, B. Sellers1, J. Ferrell2, S. Enloe2, J. Vendramini1, P. Moriel1; 1University of Florida, Ona, FL, 2University of Florida, Gainesville, FL (226) |
4:00 | Green Antelopehorn (Asclepias viridis) Response to Integrated Vegetation Management Practices. J. D. Byrd, Jr.*, N. H. Thorne, D. Russell; Mississippi State University, Mississippi State, MS (227) |
4:15 | Evaluation of the Seasonal Incidence, Severity and Forage Nutritive Value of Common Weed Species in Missouri Pastures . L. S. Shergill*, Z. Trower, M. D. Bish, K. Bradley; University of Missouri, Columbia, MO (228) |
4:30 | First Year Loblolly Pine Growth Following Herbaceous Weed Control with Indaziflam, Sulfometuron, Imazapyr, and Hexazinone. A. Ezell*1, A. Self2, J. Belcher3; 1Mississippi State University, Mississippi State, MS, 2Mississippi State, University, Grenada, MS, 3Bayer CropScience, Auburn, AL (229) |
4:45 | Crop Tolerance of Loblolly Pine Seedlings to Applications of Frequency or Cleartraxx Treatments. A. Ezell*1, A. Self2; 1Mississippi State University, Mississippi State, MS, 2Mississippi State, University, Grenada, MS (230) |
TUESDAY AFTERNOON JANUARY 30
Section 7. Teaching and Extension
LOCATION: | Arlington Salon III | |
TIME: | 1:00 PM - 3:00 PM | |
CHAIR: | Sandeep Rana | |
Monsanto Company | ||
Galena, MD | ||
MODERATOR: | Sandeep Rana | |
Monsanto Company | ||
Galena, MD |
*SPEAKER
1:00 | WSSA Herbicide Resistance Portal: Helping End-Users Find Useful Information to Manage a Serious Problem. M. Horak*1, M. V. Bagavathiannan2, C. Rouse3, D. Shaw4, R. Leon5; 1Monsanto Company, Saint Louis, MO, 2University of Arkansas, College Station, TX, 3University of Arkansas, Fayetteville, AR, 4Mississippi State University, Mississippi State, MS, 5University of Florida, Raleigh, NC (231) |
1:15 | Maleza en Foco: A Herbicide Resistance Training Program for Argentinian Weed Managers. C. Rubione*; ClaudioRubione R&D, Ciudad Autónoma De Buenos Aires, Argentina (232) |
1:30 | Weed Science in the Court System: You've been Subpoenaed, What Now? P. Banks*; Marathon-Ag & Environ. Consulting, Inc., Arlington, VA (233) |
1:45 | WEEDucator: A Digital Tool for Organic Weed Management Education. S. K. Birthisel*, E. Gallandt; University of Maine, Orono, ME (234) |
2:00 | Dicamba Off-Target Injury Issues in Nebraska. A. Jhala*; University of Nebraska, Lincoln, NE (235) |
2:15 | Tools and Techniques to Encourage Student Engagement: What Works in Weed Science Lectures? A. Dille*, G. J. Gundy, M. Hay; Kansas State University, Manhattan, KS (236) |
2:30 | Weedy Rice in California: Lessons Learned in Research and Extension. W. B. Brim-Deforest*1, L. A. Espino2, B. A. Linquist3, M. Leinfelder-Miles4, R. G. Mutters5, K. Al-Khatib3; 1University of California Cooperative Extension, Yuba City, CA, 2University of California Cooperative Extension, Colusa, CA, 3University of California, Davis, CA, 4University of California Cooperative Extension, Stockton, CA, 5University of California Cooperative Extension, Oroville, CA (237) |
2:45 | Break |
TUESDAY AFTERNOON JANUARY 30
Herbicide Metabolism in Crops and Weeds: A Revisit, Current Understanding, and New Insights
LOCATION: | Arlington Salon II | |
TIME: | 1:00 PM - 4:30 PM | |
CHAIR: | Vijay Nandula | |
USDA-ARS | ||
Stoneville, MS | ||
MODERATOR: | Vijay Nandula | |
USDA-ARS | ||
Stoneville, MS |
*SPEAKER
1:00 | Herbicide Safener-Regulated Transcripts and Metabolites reveal Complex Signaling, Defense, and Detoxification Pathways in Grain Sorghum Shoots. D. E. Riechers*1, R. Ma2, Y. Baek1, L. Goodrich3, A. V. Lygin1, P. J. Brown1; 1University of Illinois, Urbana, IL, 2University of Idaho, Moscow, ID, 3University of Illinois, Savoy, IL (238) |
1:15 | Metabolism Contributions to Clomazone Activity and Selectivity. Y. Ferhatoglu1, M. Barrett*2; 1University of Saskatchewan, Saskatoon, SK, 2University of Kentucky, Lexington, KY (239) |
1:30 | Glyphosate Metabolism in Crops and Weeds. S. Duke*; USDA-ARS, Oxford, MS (240) |
1:45 | Bioactivation of Natural Phytotoxins: The Exception or the Rule?. F. E. Dayan*; Colorado State University, Fort Collins, CO (241) |
2:00 | The Regulation of Non-Target Site Herbicide Resistance in Wild Grasses. R. Edwards*; Newcastle University, Newcastle, England (242) |
2:15 | Metabolic Resistance Mechanisms and Genes in Lolium rigidum. T. Gaines*1, R. Busi2, E. Patterson1, A. Porri2, Q. Yu2, H. Han2, S. Iwakami3, S. Gonzalez4, R. S. Beffa5, S. Powles6; 1Colorado State University, Fort Collins, CO, 2University of Western Australia, Crawley, Australia, 3Kyoto University, Kyoto, Japan, 4Bayer CropScience, Frankfurt am Main, Germany, 5Bayer CropScience, Frankfort / Main, Germany, 6, Nedlands, Australia (243) |
2:30 | Mechanism of Multiple-Herbicide Resistance in Echinochloa phyllopogon. S. Iwakami*; Kyoto University, Kyoto, Japan (244) |
2:45 | Metabolic and Multiple Resistance in Junglerice. V. Nandula*; USDA-ARS, Stoneville, MS (245) |
3:00 | Metabolism-Based Resistance Predisposes Evolution of Cross Resistance to Herbicides: Palmer Amaranth - A Classic Example. M. Jugulam*, S. Nakka, A. Vennapusa, C. Thompson; Kansas State University, Manhattan, KS (246) |
3:15 | Biochemical and Molecular Mechanisms conferring Metabolic Resistance to Multiple Herbicides in Amaranthus tuberculatus. R. Ma*1, A. F. Evans2, S. R. O’Brien2, O. A. Obenland2, A. V. Lygin2, E. McIndoe3, J. A. Morris3, S. S. Kaundun3, D. E. Riechers2; 1University of Idaho, Moscow, ID, 2University of Illinois, Urbana, IL, 3Syngenta-UK, Bracknell, England (247) |
TUESDAY AFTERNOON JANUARY 30
Teaching Workshop
LOCATION: | Grand Salon J | |
TIME: | 3:00 PM - 5:00 PM | |
CHAIR: | Tom Mueller | |
University of Tennessee | ||
Knoxville, TN | ||
MODERATOR: | Tom Mueller | |
University of Tennessee | ||
Knoxville, TN |
*SPEAKER
3:00 | Virtual Reality in Weed Science Education. T. Tseng*; Mississippi State University, Mississippi State, MS (248) |
3:30 | Discussions Toward a WSSA Online Textbook. T. Mueller*; University of Tennessee, Knoxville, TN (249) |
4:00 | Plagiarism in Higher Education Today. T. Mueller*; University of Tennessee, Knoxville, TN (250) |
WEDNESDAY MORNING JANUARY 31
Graduate Student Workshop
LOCATION: | Arlington Salon III | |
TIME: | 10:00 AM - 1:00 PM | |
CHAIR: | Chase Samples | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Chase Samples | |
Mississippi State University | ||
Mississippi State, MS |
*SPEAKER
WEDNESDAY MORNING JANUARY 31
Section 1. Agronomic Crops
LOCATION: | Grand Salon H | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN | ||
CO-CHAIR: | Sandeep Rana | |
Monsanto Company | ||
Galena, MD | ||
MODERATOR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN |
*SPEAKER
10:00 | Cover Crops Mediate Weed - Corn Competition. B. Baraibar*1, D. A. Mortensen2; 1Penn State University, State College, PA, 2Penn State University, University Park, PA (251) |
10:15 | Advances in Broadleaf Weed Management in Red and White Clovers Grown for Seed in Oregon. A. G. Hulting*, K. Roerig, D. W. Curtis, C. Mallory-Smith; Oregon State University, Corvallis, OR (252) |
10:30 | Targeting Seed Production of Herbicide Resistant Wild Mustard in Lentil with Weed Wiper Herbicide Application. L. D. Syrovy*1, S. J. Shirtliffe1, E. Johnson2, C. J. Willenborg1; 1University of Saskatchewan, Saskatoon, SK, 2College of Agriculture and Bioresources, University of Saskatchewan, Saskatoon, SK (253) |
10:45 | Enhanced Tolerance of Common Lambsquarters (Chenopodium album) to Glyphosate in Corn-Sugar beet Rotations in the Western U.S. V. Kumar*1, P. Jha2, D. W. Morishita3, R. Yadav4, A. J2, C. A. Lim2; 1Kansas State University, Hays, KS, 2Montana State University, Huntley, MT, 3University of Idaho, Kimberly, ID, 4Montana State university, Huntley, MT (254) |
11:00 | Effect of Elevated CO2 Levels and Increased Temperatures on Glyphosate Efficacy. M. Matzrafi*, C. Fautt, M. Jasieniuk; University of California, Davis, CA (255) |
11:15 | Cultivation and Reduced-Rate Herbicides for Cost-Effective Weed Control in Sugarbeet Grown for Biofuel. W. C. Johnson III*1, T. M. Webster1, T. Grey2; 1USDA-ARS, Tifton, GA, 2University of Georgia, Tifton, GA (256) |
11:30 | A New Brake Herbicide for Weed Control in Cotton. K. Briscoe*; SePRO Corporation, Rocky Mount, NC (257) |
11:45 | Evaluation of 2,4-D and Dicamba Residual Effect on Cotton Establishment and Yield. K. J. Price*, S. Li; Auburn University, Auburn, AL (258) |
WEDNESDAY AFTERNOON JANUARY 31
Section 1. Agronomic Crops
LOCATION: | Grand Salon H | |
TIME: | 1:00 PM - 2:30 PM | |
CHAIR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN | ||
CO-CHAIR: | Sandeep Rana | |
Monsanto Company | ||
Galena, MD | ||
MODERATOR: | Ryan Lins | |
Syngenta Crop Protection | ||
Rochester, MN |
*SPEAKER
1:00 | Evaluation of Elevore™ on Glyphosate-Resistant Horseweed in Tennessee. J. Copeland*1, L. Steckel1, B. Haygood2, J. Ellis3; 1University of Tennessee, Jackson, TN, 2, Collierville, TN, 3Dow AgroSciences, Sterlington, LA (259) |
1:15 | Harness MAX Herbicide: A New Product for Weed Management in Corn. E. Riley*1, G. Elmore1, R. Montgomery2; 1Monsanto Company, Saint Louis, MO, 2Monsanto Company, Union City, TN (260) |
1:30 | Broadleaf and Grass Weed Control with Tolpyralate in US Corn. A. J. Raeder*1, H. Kikugawa2, H. Okamoto2, M. Parks1, D. Tonks1; 1ISK Biosciences Americas, Concord, OH, 2ISK Biosciences, Osaka, Japan (261) |
1:45 | HPPD plus Growth Regulator Herbicides for Control of Divine Nightshade in Ratoon Sugarcane. D. J. Spaunhorst*1, A. Orgeron2; 1USDA-ARS, Houma, LA, 2LSU, Baton Rouge, LA (262) |
2:00 | Break |
WEDNESDAY MORNING JANUARY 31
Section 13. Integrated Weed Management
LOCATION: | Grand Salon J | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Daniela Ribeiro | |
Monsanto Company | ||
Leland, MS | ||
CO-CHAIR: | Harry Strek | |
BayerCropscience | ||
Leverkusen, Germany | ||
MODERATOR: | Daniela Ribeiro | |
Monsanto Company | ||
Leland, MS |
*SPEAKER
10:00 | Cereal Rye Management Affects Weed Control in Soybeans. M. J. VanGessel*, Q. Johnson, B. Scott, K. Vollmer; University of Delaware, Georgetown, DE (263) |
10:15 | Farmer Attitudes Toward Cooperative Approaches to Herbicide Resistance Management. D. E. Ervin*1, E. Breshears2, G. Frisvold3, K. Dentzman4, W. Everman5, J. Gunsolus6, T. Hurley7, R. Jussaume2, J. Norsworthy8, M. Owen9; 1Portland State University, Portland, OR, 2Michigan State University, East Lansing, MI, 3University of Arizona, Tucson, AZ, 4Washington State University, Pullman, WA, 5North Carolina State University, Raleigh, NC, 6University of Minnesota, SAINT PAUL, MN, 7University of Minnesota, Minneapolis, MN, 8University of Arkansas, Fayetteville, AR, 9Iowa State University, Ames, IA (264) |
10:30 | Do Growers Manage Weeds on Owned and Rented Land Differently? Evidence from U.S. Corn and Soybean Farms. G. Frisvold*1, J. Albright2, K. Dentzman3, D. E. Ervin4, T. Hurley5, R. Jussaume6, J. Norsworthy7, M. Owen8, W. Everman9, J. Gunsolus10; 1University of Arizona, Tucson, AZ, 2Allstate Insurance, Naperville, IL, 3Washington State University, Pullman, WA, 4Portland State University, Portland, OR, 5University of Minnesota, Minneapolis, MN, 6Michigan State University, East Lansing, MI, 7University of Arkansas, Fayetteville, AR, 8Iowa State University, Ames, IA, 9North Carolina State University, Raleigh, NC, 10University of Minnesota, SAINT PAUL, MN (265) |
10:45 | Applying Machine Learning. J. Colquhoun*, Y. Saikai, F. Dong, P. Mitchell; University of Wisconsin, Madison, WI (266) |
11:00 | Dose, pattern and targeted tissue of irradiation affect weed seedling response to laser. C. Hu*1, F. Michel1, D. Doohan2; 1The Ohio State University, Wooster, OH, 2The Ohio State University, Wooser, OH (267) |
11:15 | 3-D Image Driven Morphological Crop Analysis - A Novel Method for Detection of Broomrape Initial Subsoil Parasitism. R. N. Lati*1, S. Filin2, H. Eizenberg1; 1Agricultural Research Organization, Newe Ya’ar Research Center, Ramat Yishay, Israel, 2Technion – Israel Institute of Technology, Haifa, Israel (268) |
11:30 | Sensor-Based Approach for Weed Species Detection and Differentiation for Precision Agriculture. V. Singh*, A. Prosvirin, N. Rajan, J. Higby, A. Filippi, M. Bishop, M. Bagavathiannan; Texas A&M University, College Station, TX (269) |
11:45 | Integrating Decision Making Processes into Cranberry Weed Management: Dodder as a Case Study. H. A. Sandler*, K. M. Ghantous; UMass Cranberry Station, East Wareham, MA (270) |
WEDNESDAY MORNING JANUARY 31
Pesticide Registration in the U.S. and How the WSSA Can Inform the Process
LOCATION: | Arlington Salon I & II | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | William Chism | |
U.S. Environmental Protection Agency | ||
Point of Rocks, MD | ||
CO-CHAIR: | Michael Barrett | |
University of Kentucky | ||
Lexington, KY | ||
MODERATOR: | William Chism | |
U.S. Environmental Protection Agency | ||
Point of Rocks, MD |
*SPEAKER
10:00 | Introduction to the Symposium and an EPA-OPP Overview of Pesticide Laws – FIFRA, FFDCA, FQPA, and PRIA plus the Definition of a Pesticide. R. P. Keigwin, Jr.*1, W. J. Chism2, M. Barrett3; 1Environmemtal Protection Agency - Office of Pesticide Programs, Arlington, VA, 2U.S. Environmental Protection Agency, Point of Rocks, MD, 3University of Kentucky, Lexington, KY (271) |
10:15 | Biotechnology in the Office of Pesticide Programs. E. Milewski*; Enivronmental Protection Agency - Office of Pesticide Programs, Arlington, VA (272) |
10:45 | The Registration Program: New Active Ingredients, New Uses of Registered Herbicides, Emergency Exemptions (FIFRA Section 18s), and Other Registration Actions. D. Kenny*; US Environmental Protection Agency, Washington, DC (273) |
11:00 | The Registration Review Program: Data Needed to Support Re-evaluations Under the Registration Review Program. B. Smith*; Environmental Protection Agency - Office of Pesticide Programs, Arlington, VA (274) |
11:15 | Overview of Risk Assessments: Human Health. M. Metzger*; Enivronmental Protection Agency - Office of Pesticide Programs, Arlington, VA (275) |
11:30 | Overview of Risk Assessments: Ecological Risk. S. Sankula*; Environmental Protection Agency - Office of Pesticide Programs, Arlington, VA (276) |
11:45 | Overview of Risk Assessments: Endangered Species. B. Anderson*; Enivronmental Protection Agency - Office of Pesticide Programs, Arlington, VA (277) |
WEDNESDAY MORNING JANUARY 31
Section 9. Weed Biology and Ecology
LOCATION: | Grand Salon K | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Dan Tekiela | |
Virginia Tech | ||
Laramie, WY | ||
CO-CHAIR: | Vijay Singh | |
Texas A&M University | ||
College Station, TX | ||
MODERATOR: | Dan Tekiela | |
Virginia Tech | ||
Laramie, WY |
*SPEAKER
10:00 | A Demographic Role for Hybridization in Plant Invasions. M. B. Mesgaran*1, M. Lewis2, P. Addes3, K. Danohue4, S. Ohadi5, C. Li3, R. D. Cousens3; 1University of California, Davis, CA, 2University of Alberta, Edmonton, AB, 3University of Melbourne, Melbourne, Australia, 4Duke University, Durham, NC, 5Texas A&M University, College Station, TX (278) |
10:15 | Regional Responses to Drought on the Growth and Fitness of Microstegium vimineum (Trin.) A. Camus (Japanese Stiltgrass). C. Huebner*1, N. Waterland2; 1Northern Research Station, US Forest Service USDA, Morgantown, WV, 2West Virginia University, Morgantown, WV (279) |
10:30 | Growth Phenology, Physiological and Biochemical Responses of Two Australian Biotypes of African Turnip (Sisymbrium thellungii L.) to Varied Soil Moisture Regimes. G. Mahajan*1, B. George-Jaeggli2, M. J. Walsh3, B. S. Chauhan1; 1The University of Queensland, Gatton, Australia, 2University of Queensland, Warwick-4370, Australia, 3University of Sydney, Narrabri, Australia (280) |
10:45 | Could Recent Increases in Atmospheric Carbon Dioxide Act as a Selection Factor in Wild Oat Populations? A Case Study. L. H. Ziska*; USDA-ARS, Beltsville, MD (281) |
11:00 | Sicklepod Extract as an Effective Deer Repellent: Field Data. Z. Yue*1, T. Tseng2, M. Lashley1, S. Shrestha1, G. Captu1; 1Mississippi State University, Starkville, MS, 2Mississippi State University, Mississippi State, MS (282) |
11:15 | Root Foraging Strategies of Maize and Four Common Agricultural Weeds: Implications for Belowground Competition. C. J. Lowry*1, M. R. Ryan2, R. G. Smith1; 1University of New Hampshire, Durham, NH, 2Cornell University, Ithaca, NY (283) |
11:30 | Life-Cycle Analysis and Fitness Characteristics of Glyphosate Susceptible and Resistant Common Ragweed (Ambrosia artemisiifolia L.). J. Bae*1, R. E. Nurse2, E. R. Page2; 1Agriculture and Agri-Food Canada, Agassiz, BC, 2Agriculture and Agri-Food Canada, Harrow, ON (284) |
11:45 | Distribution and Frequency of Herbicide-Resistant Italian Ryegrass Populations in the Central Valley of California. P. Tehranchian*1, I. M. Heap2, T. Deveaud3, M. Matzrafi1, M. Jasieniuk1; 1University of California, Davis, CA, 2WeedSmart, Corvallis, OR, 3AgroParis Tech, Paris, France (285) |
WEDNESDAY AFTERNOON JANUARY 31
Section 9. Weed Biology and Ecology
LOCATION: | Grand Salon K | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | Dan Tekiela | |
Virginia Tech | ||
Laramie, WY | ||
CO-CHAIR: | Vijay Singh | |
Texas A&M University | ||
College Station, TX | ||
MODERATOR: | Dan Tekiela | |
Virginia Tech | ||
Laramie, WY |
*SPEAKER
1:00 | Genomewide Characterization of California Weedy Red Rice Reveals Multiple Possible Origins. T. B. De Leon*1, C. Andaya2, V. Andaya2, K. B. McKenzie2, K. Al-Khatib1, L. A. Espino3, T. Blank4, R. G. Mutters5, M. Leinfelder-Miles6, B. A. Linquist1, W. B. Brim-Deforest7; 1University of California, Davis, CA, 2California Rice Experiment Station, Biggs, CA, 3University of California Cooperative Extension, Colusa, CA, 4California Crop Improvement Association, Davis, CA, 5University of California Cooperative Extension, Oroville, CA, 6University of California Cooperative Extension, Stockton, CA, 7University of California Cooperative Extension, Yuba City, CA (286) |
1:15 | Elucidating the Differential Physiological Responses to Glyphosate in Palmer Amaranth Biotypes with Varying Resistance to Glyphosate. A. S. Maroli*1, V. Nandula2, N. Tharayil1; 1Clemson University, Clemson, SC, 2USDA-ARS, Stoneville, MS (287) |
1:30 | One in a Million? Empirical Determination of Mutation Frequency for Herbicide Resistance. F. Casale1, P. Tranel*2; 1University of Illinois, Urbana, IL, 2University of Illinois, Urbana, IL (288) |
1:45 | QST-FST Genetic Analysis Confirms Evolution of Adaptive Traits in Palmer Amaranth (Amaranthus palmeri). R. Leon*1, R. van der Laat2, W. Bravo3, J. Ferrell3; 1University of Florida, Raleigh, NC, 2University of Florida, Jay, FL, 3University of Florida, Gainesville, FL (289) |
2:00 | Applied Transcriptomics- Our Journey in Utilizing Transcriptomic Data for Weed Science Research. C. Rouse*, N. R. Burgos; University of Arkansas, Fayetteville, AR (290) |
2:15 | Crop Characteristics and Weed Interactions of Diverse Recurrent Inbred Lines (RILs) from a Weed-Suppressive x Non-Suppressive Rice Mapping Population. D. Gealy*; USDA ARS DBNRRC, Stuttgart, AR (291) |
2:30 | Weeds of the DMV. P. Banks*; Marathon-Ag & Environ. Consulting, Inc., Arlington, VA (292) |
2:45 | The Effect of 48 Years of Tillage and Fertility Treatments on Weed Communities. K. Gage*1, R. Krausz2; 1Southern Illinois University, Carbondale, IL, 2Southern Illinois University, Belleville, IL (293) |
3:00 | Break |
3:15 | Fate of Weed Seed in Compost During Commercial Mushroom Production . K. Vollmer*, M. J. VanGessel; University of Delaware, Georgetown, DE (294) |
3:30 | Seed Germination Ecology and its resistance of Catchweed Bedstraw (Galium aparine L.). H. Wang*, Y. Lou; Institute of Plant Protection, Nanjing, Peoples Republic (295) |
3:45 | The Impact of Germination Phenology and Seed Set on the Potential Weediness of Hairy Vetch (Vicia villosa). K. B. Pittman*1, M. Flessner1, J. Barney1, C. Cahoon2; 1Virginia Tech, Blacksburg, VA, 2Eastern Shore ARC Virginia Tech, Painter, VA (296) |
4:00 | Ecological Approaches to Manage Kochia Seed Bank in Irrigated Western Cropping Systems. P. Jha*1, A. Kniss2, G. M. Sbatella2, N. C. Lawrence3, R. Yadav1; 1Montana State University, Huntley, MT, 2University of Wyoming, Laramie, WY, 3University of Nebraska, Pullman, WA (297) |
4:15 | Germination and Emergence of Black Medic in Response to Constant and Fluctuating Temperatures, Osmotic Potential and Burial Depth. S. M. Sharpe*, N. Boyd; University of Florida, Wimauma, FL (298) |
4:30 | Modification of Weed Seed Germination and Seedling Growth with Fermentation Residuals from Bioethanol Production. R. Leon*1, R. van der Laat2; 1University of Florida, Raleigh, NC, 2University of Florida, Jay, FL (299) |
WEDNESDAY AFTERNOON JANUARY 31
Pesticide Registration in the U.S. and How the WSSA Can Inform the Process
LOCATION: | Arlington Salon I & II | |
TIME: | 1:00 PM - 2:00 PM | |
CHAIR: | William Chism | |
U.S. Environmental Protection Agency | ||
Point of Rocks, MD | ||
CO-CHAIR: | Michael Barrett | |
University of Kentucky | ||
Lexington, KY | ||
MODERATOR: | William Chism | |
U.S. Environmental Protection Agency | ||
Point of Rocks, MD |
*SPEAKER
1:00 | Benefits/Impact Analyses:Herbicide Risk Management Case Studies - Paraquat and Enlist Duo. W. J. Chism*1, T. Wyatt2; 1U.S. Environmental Protection Agency, Point of Rocks, MD, 2Enivronmental Protection Agency - Office of Pesticide Programs, Arlington, VA (300) |
1:15 | Information needs for the EPA-Office of Pestcide Programs. T. Kiely*; Enivronmental Protection Agency - Office of Pesticide Programs, Arlington, VA (301) |
1:30 | How can the EPA and WSSA Improve Information Transfer to Users? M. Barrett*; University of Kentucky, Lexington, KY (302) |
1:45 | Break |
WEDNESDAY AFTERNOON JANUARY 31
Fostering Sustainable Programs to Improve Pesticide Applications and Promote Resistance Management
LOCATION: | Arlington Salon V & VI | |
TIME: | 1:00 PM - 5:00 PM | |
CHAIR: | A. S. Culpepper | |
University of Georgia | ||
Tifton, GA | ||
MODERATOR: | A. S. Culpepper | |
University of Georgia | ||
Tifton, GA |
*SPEAKER
1:00 | Break |
1:05 | Synergy - Practical vs. Academic. B. Young*; Purdue University, Brookston, IN (303) |
1:25 | Tank Mixtures Improve Weed Control and Reduce Herbicide Resistance - Midwest. C. Sprague*; Michigan State University, East Lansing, MI (304) |
1:45 | Opportunities for Tank Mix and Sequential Herbicide Programs for Season-Long Management of Weeds in Western Tree and Vine Cropping Systems. B. Hanson*1, C. Brunharo2, L. M. Sosnoskie3, M. Moretti4; 1University of California, Winters, CA, 2University of California, Davis, CA, 3University of Georgia, Davis, CA, 4Oregon State University, Corvallis, OR (305) |
2:05 | Tank Mixtures Improve Weed Control and Reduce Herbicide Resistance - South. A. Culpepper*1, A. York2; 1University of Georgia, Tifton, GA, 2North Carolina State University, Cary, NC (306) |
2:25 | On Target: Equipment Technology to Reduce Drift. M. Anderson*; AEM Sprayer Leadership Group, East Berlin, PA (307) |
2:45 | Improving On-Target Aerial Pesticide Applications. S. Bretthauer*; National Agricultural Aviation Assocation, Alexandria, VA (308) |
3:05 | Break |
3:15 | USDA's Role in Helping Growers Manage Herbicide Resistance. J. Schroeder*1, S. Able2, S. Koehler2; 1USDA Office of Pest Management Policy, Arlington, VA, 2USDA, Washington, DC (309) |
3:35 | Restrictions and Regulations are Overwhelming at the Farm Level - Developing a More Friendly Approach. L. Steckel*; University of Tennessee, Jackson, TN (310) |
3:55 | Dicamba Update - 2017 Season. R. Baris*; U.S. Environmental Protection Agency, Washington, DC (311) |
4:15 | How can EPA, WSSA, and Industry work together to Foster New Herbicide MOA Development? W. Miller*1, A. Jones1, W. J. Chism2, J. Becker1; 1U.S. Environmental Protection Agency, Washington, DC, 2U.S. Environmental Protection Agency, Point of Rocks, MD (312) |
4:35 | Cooperative Efforts of Academics, Industry, Growers, and the U.S. EPA are Critical for Managing Off-Target Pesticide Movement and Managing Herbicide Resistance. R. Keigwin*; U.S. Environmental Protection Agency, Washington, DC (313) |
WEDNESDAY AFTERNOON JANUARY 31
Section 10. Biocontrol of Weeds
LOCATION: | Grand Salon J | |
TIME: | 1:00 PM - 2:00 PM | |
CHAIR: | Clyde Boyette | |
USDA-ARS | ||
Stoneville, MS | ||
CO-CHAIR: | Min Rayamajhi | |
USDA | ||
Fort Lauderdale, FL | ||
MODERATOR: | Clyde Boyette | |
USDA-ARS | ||
Stoneville, MS |
*SPEAKER
1:00 | Performance of Orseolia javanica (Diptera: Cecidomyiidae), a Candidate Biological Control Agent, on Two Florida Biotypes of Cogongrass, Imperata cylindrica. J. P. Cuda*1, P. Hidayat2, K. Simamora2; 1University of Florida, Gainesville, FL, 2Bogor Agricultural University, Bogor, Malaysia (314) |
1:15 | A Review of Winter Annual Invasive Grass Biocontrol. D. R. Tekiela*; Virginia Tech, Laramie, WY (315) |
1:30 | Suppression of Air Potato Vine Infestations in Florida and Beyond by Using Biological Control Agent Lilioceris cheni. M. B. Rayamajhi*1, P. D. Pratt2, E. Rohrig3, P. W. Tipping1, C. Kerr3; 1USDA, Fort Lauderdale, FL, 2USDA, Albany, CA, 3Florida Department of Agriculture, Gainesville, FL (316) |
WEDNESDAY AFTERNOON JANUARY 31
Grade Report for New Dicamba Technology in 2017
LOCATION: | Arlington Salon I & II | |
TIME: | 1:55 PM - 5:00 PM | |
CHAIR: | Gregory Dahl | |
WinField United | ||
Eagan, MN | ||
MODERATOR: | Gregory Dahl | |
WinField United | ||
Eagan, MN |
*SPEAKER
1:55 | Setting the Stage. G. Dahl*; WinField United, Eagan, MN (317) |
2:00 | U. S. Environmental Protection Agency Considerations. G. Rowland*; U.S. Environmental Protection Agency, Arlington, VA (318) |
2:15 | Drift and Getting Droplet Size Right. G. Kruger*; University of Nebraska, North Platte, NE (319) |
2:30 | Monsanto Considerations. R. Rector*, T. Witten; Monsanto Company, St. Louis, MO (320) |
2:45 | Engenia Herbicide Stewardship for 2018. C. Asmus*; BASF, Research Triangle Park, NC (321) |
3:00 | Distributor Considerations. L. C. Magidow*1, E. Spandl2, R. L. Pigati2; 1WinField United, Maplewood, MN, 2WinField United, Shoreview, MN (322) |
3:15 | Break |
3:20 | Dealer/Applicator Considerations. B. Baddeley*; Asmus Farm Supply, Esterville, CO (323) |
3:35 | Southern Extension Weeds Specialist Concerns. L. Steckel*; University of Tennessee, Jackson, TN (324) |
3:50 | Mid-West Extension Weed Specialist Concerns. R. Zollinger*; North Dakota State University, Fargo, ND (325) |
4:15 | State Regulator Considerations. D. Slade*; Missouri Department of Agriculture, Jefferson City, CO (326) |
4:30 | Dicamba Considerations and Concerns of the Specialty Crop Industry. S. Smith*; Red Gold, Inc., Elwood, IN (327) |
4:45 | Dicamba, a Resource and a Challenge for the Cotton Industry. R. Nichols*; Cotton Incorporated, Cay, NC (328) |
5:00 | Questions and Answers. G. Dahl*; WinField United, Eagan, MN (329) |
WEDNESDAY AFTERNOON JANUARY 31
WSSA Business Meeting
LOCATION: | Arlington Salon I & II | |
TIME: | 5:30 PM - 6:30 PM | |
CHAIR: | Janis McFarland | |
Syngenta Crop Protection | ||
Greensboro, NC | ||
MODERATOR: | Janis McFarland | |
Syngenta Crop Protection | ||
Greensboro, NC |
*SPEAKER
THURSDAY MORNING FEBRUARY 1
Section 2. Horticultural Crops
LOCATION: | Grand Salon H | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Jayesh Samtani | |
Virginia Tech | ||
Virginia Beach, VA | ||
CO-CHAIR: | Katherine Jennings | |
North Carolina State University | ||
Raleigh, NC | ||
MODERATOR: | Jayesh Samtani | |
Virginia Tech | ||
Virginia Beach, VA |
*SPEAKER
8:00 | Precision Application Technology for Weed Management in Plasticulture Vegetable Production. N. Boyd*1, A. Schumann2; 1University of Florida, Wimauma, FL, 2University of Florida, Lake Alfred, FL (330) |
8:15 | Application of Dimethenamid-p Through Drip Irrigation Lines Controls Yellow Nutsedge in Direct-seeded Onion. J. Felix*, J. Ishida; Oregon State University, Ontario, OR (331) |
8:30 | The Final Word in Onion Weed Control. B. Zandstra*, C. Phillippo; Michigan State University, East Lansing, MI (332) |
8:45 | Potato Weed Management: Active Ingredients Exhibiting Potential for the Future. D. Heider*, J. Colquhoun, R. A. Rittmeyer; University of Wisconsin, Madison, WI (333) |
9:00 | Chipping Potato Response to Sublethal Doses of Glyphosate and/or Dicamba. H. Hatterman-Valenti*, J. E. Stenger, C. P. Auwarter; North Dakota State University, Fargo, ND (334) |
9:15 | Effect of Simulated Rice Herbicide Drift on English Walnut (Juglans regia) Growth and Development. M. F. Galla*1, K. Al-Khatib2, B. Hanson3; 1UCCE, Orland, CA, 2University of California, Davis, CA, 3University of California, Winters, CA (335) |
9:30 | Evaluation of Pre- and Post-emergence Herbicides for Carolina Redroot Control in New Jersey Cranberry Bogs. T. E. Besancon*; Rutgers University, CHATSWORTH, NJ (336) |
9:45 | Comparison of Alternative Weed Management Strategies with Four Interspecific Grape Cultivars. J. E. Stenger, H. Hatterman-Valenti*, C. P. Auwarter; North Dakota State University, Fargo, ND (337) |
10:00 | Break |
10:15 | An Alternative Approach to Preplant Fumigation with Paper Pellet and Mustard Seed Meal in Annual Strawberry Production. J. Samtani*, S. Das; Virginia Tech, Virginia Beach, VA (338) |
10:30 | Evaluation of Multiple Rates of Paladin EC and Paladin Pic-21 EC for Weed Control in Florida Tomato. J. Yu*1, N. Boyd2; 1University of Florida, Tampa, FL, 2University of Florida, Wimauma, FL (339) |
10:45 | Rye Mulch has Potential for Weed Management in Edamame. L. Crawford1, M. M. Williams*2, S. E. Wortman3; 1University of Illinois, urbana, IL, 2USDA-ARS, Urbana, IL, 3University of Nebraska, Urbana, IL (340) |
11:00 | Weed Management in Lettuce on Organic Soils in Florida. D. Odero*1, A. L. Wright2; 1University of Florida, Belle Glade, FL, 2University of Florida, Fort Pierce, FL (341) |
11:15 | Using Living Mulch and Strip Tillage to Suppress Weeds in Organic Vegetables. A. W. Leslie*, C. R. Hooks; University of Maryland, College Park, MD (342) |
11:30 | Integrated Weed Management Strategies with Rye Mulch in Processing Vegetable Legumes. Y. Kitis*1, M. M. Williams2, N. Hausman2, J. Moody3; 1Akdeniz University, Antalya, Turkey, 2USDA-ARS, Urbana, IL, 3University of Illinois, Urbana, IL (343) |
11:45 | Integrated Vegetable Weed Management with Bicyclopyrone. C. Phillippo*, B. Zandstra; Michigan State University, East Lansing, MI (344) |
THURSDAY AFTERNOON FEBRUARY 1
Section 2. Horticultural Crops
LOCATION: | Grand Salon H | |
TIME: | 1:00 PM - 2:00 PM | |
CHAIR: | Jayesh Samtani | |
Virginia Tech | ||
Virginia Beach, VA | ||
CO-CHAIR: | Katherine Jennings | |
North Carolina State University | ||
Raleigh, NC | ||
MODERATOR: | Jayesh Samtani | |
Virginia Tech | ||
Virginia Beach, VA |
*SPEAKER
1:00 | Hop Tolerance to Directed Applications of Glufosinate. R. A. Boydston*; USDA-ARS, Prosser, WA (345) |
1:15 | Survey of Weed Species and Test of Herbicides Mixed in Barrels for Weeds Control in Camellia oleifera Abel Forest in Hunan Province. C. Jin*, X. Zhang, Y. Zhou, Y. Hu; Hunan University of Humanities, Science and Technology, Loudi, Peoples Republic (346) |
1:30 | Base-editing Efficiently Creates Non-GM Herbicide Resistant Plants. L. Jiang*; China Agricultural University, Beijing, Peoples Republic (347) |
THURSDAY MORNING FEBRUARY 1
Learning by Listening: Herbicide Resistance Listening Sessions
LOCATION: | Arlington Salon I & II | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Jill Schroeder | |
USDA Office of Pest Management Policy | ||
Arlington, VA | ||
CO-CHAIR: | David Shaw | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Jill Schroeder | |
USDA Office of Pest Management Policy | ||
Arlington, VA |
*SPEAKER
8:00 | Introduction to the Symposium and Summary of the Listening Sessions. D. Shaw1, M. Barrett2, J. Schroeder*3; 1Mississippi State University, Mississippi State, MS, 2University of Kentucky, Lexington, KY, 3USDA Office of Pest Management Policy, Arlington, VA (348) |
8:30 | Panel discussion 1: Representative Stakeholders from the Regional Listening Sessions: Impressions of the Listening Sessions and Recommendations for Next Steps. M. Barrett1, J. Schroeder2, D. Shaw*3; 1University of Kentucky, Lexington, KY, 2USDA Office of Pest Management Policy, Arlington, VA, 3Mississippi State University, Mississippi State, MS (349) |
10:00 | Break |
10:15 | Panel discussion 2: Listening Session Coordinators: Outcomes, Impressions, and Recommendations for Next Steps. J. Schroeder1, D. Shaw2, M. Barrett*3; 1USDA Office of Pest Management Policy, Arlington, VA, 2Mississippi State University, Mississippi State, MS, 3University of Kentucky, Lexington, KY (350) |
THURSDAY MORNING FEBRUARY 1
Section 6. Regulatory Aspects
LOCATION: | Grand Salon J | |
TIME: | 8:00 AM - 10:00 AM | |
CHAIR: | Cherilyn Moore | |
Syngenta Crop Protection, LLC | ||
Greensboro, NC | ||
MODERATOR: | Cherilyn Moore | |
Syngenta Crop Protection, LLC | ||
Greensboro, NC |
*SPEAKER
8:00 | An Overview of the New EPA Mandated Requirements for Paraquat Containing Products: What Does That Mean for the End-User and Registrant? M. U. Dixon*; Syngenta Crop Protection, Greensboro, NC (351) |
8:15 | Taking Advantage of Global Field Trial Exchangeability and Crop Grouping for Pesticide Residue Studies. D. Kunkel*1, J. J. Baron2, W. P. Barney2; 1Rutgers University, Princeton, NJ, 2Rutgers University, IR-4 Project, Princeton, NJ (352) |
8:30 | Pollinator Habitats - Weeds & Management Challenges. C. Savinelli*, D. Campbell, J. McFarland, C. Moseley; Syngenta Crop Protection, Greensboro, NC (353) |
8:45 | Importance of Atrazine in Weed Management and Best Management Practices. C. Moseley*1, D. Bridges2, P. Mitchell3, P. Laird1, G. Hill1; 1Syngenta Crop Protection, Greensboro, NC, 2Abraham Baldwin Agricultural College, Tifton, GA, 3University of Wisconsin, Madison, WI (354) |
9:00 | Atrazine - Stewardship and Water Monitoring - a Watershed Approach. M. White*1, W. Chen2; 1Syngenta Crop Protection, Macon, MO, 2Syngenta Crop Protection, Greensboro, NC (355) |
9:15 | Piloting a Voluntary Conservation Approach in Mississippi to Improve the Endangered Species Act Pesticide Regulatory Process. B. Sacher*1, D. Campbell1, T. Huggins2, T. Cook2; 1Syngenta Crop Protection, Greensboro, NC, 2Delta Wildlife, Greenville, MS (356) |
9:30 | Piloting a Voluntary Conservation Approach in Iowa to Improve the Endangered Species Act Pesticide Regulatory Process. D. Campbell*1, B. Sacher1, K. Kult2, R. Wolf2; 1Syngenta Crop Protection, Greensboro, NC, 2Iowa Soybean Association, Des Moines, IA (357) |
THURSDAY MORNING FEBRUARY 1
The State of the Weed Control Industry In 2018
LOCATION: | Arlington Salon V & VI | |
TIME: | 9:00 AM - 12:00 PM | |
CHAIR: | Steve Fennimore | |
University of California | ||
Salinas, CA | ||
MODERATOR: | Steve Fennimore | |
University of California | ||
Salinas, CA |
*SPEAKER
9:00 | The Business of Weed Control. S. A. Fennimore*; University of California, Salinas, CA (358) |
9:20 | Past and Future Trends in the World Herbicide Market. J. Shoham*; Syngenta (retired), Greensboro, NC (359) |
9:40 | Consolidation and Competition in the Agricultural Chemical Industry. J. MacDonald*; USDA, Washington, DC (360) |
10:00 | Evolution of the Herbicide Marketplace. P. J. Porpiglia*; AMVAC Chemical Corporation, Irvine, CA (361) |
10:20 | Break |
10:35 | The Role of Smart Machines in the Business of Weed Control. W. Patzoldt*1, E. Ehn2, M. Keely1, B. Chostner1; 1Blue River Technology, Sunnyvale, CA, 2Blue River Technology, Capitola, CA (362) |
10:55 | Innovative Automation for Vegetable Production. R. Herbon*; Agmechtronix, Silver City, NM (363) |
11:15 | Balancing Declining Herbicide Efficacy With New Technology. D. A. Mortensen*; Penn State University, University Park, PA (364) |
THURSDAY MORNING FEBRUARY 1
Section 8. Formulation, Adjuvant and Application Technology
LOCATION: | Grand Salon K | |
TIME: | 8:00 AM - 10:00 AM | |
CHAIR: | Connor Ferguson | |
Mississippi State University | ||
MS State, MS | ||
MODERATOR: | Bryan Young | |
Purdue University | ||
Brookston, IN |
*SPEAKER
8:00 | Effects of Selected Adjuvants on Weed Control with Glufosinate-Ammonium in Colorado and South Dakota. J. Daniel*1, P. Westra2, E. Westra2, P. Johnson3; 1Daniel Ag Consulting, Hudson, CO, CO, 2Colorado State University, Fort Collins, CO, 3South Dakota State University, Brookings, SD (365) |
8:15 | AccuDropTM - A New Drift Control and Deposition Adjuvant. T. A. Hayden*1, G. Dahl2, R. Edwards3, J. A. Gillilan4, R. L. Pigati5, J. Gednalske6, E. Spandl5, L. C. Magidow7, A. Clark3, D. C. Bissell8; 1WinField United, Owensboro, KY, 2WinField United, Eagan, MN, 3WinField United, River Falls, WI, 4WinField United, Springfield, TN, 5WinField United, Shoreview, MN, 6, River Falls, WI, 7WinField United, Maplewood, MN, 8WinField United, River Falls, WV (366) |
8:30 | Evaluation of a New TwinJet Nozzle for Weed Control in Peanut. E. P. Prostko*1, B. Ward2, G. C. Rains1, W. Carter1; 1University of Georgia, Tifton, GA, 2University of Georgia, Colquitt, GA (367) |
8:45 | Quantifying nozzle coverage using artificial collectors for approved nozzles in the Engenia™, Enlist™, and Xtendimax™ systems. C. Ferguson*, P. H. Urach Ferreira, M. T. Wesley; Mississippi State University, MS State, MS (368) |
9:00 | Collection of Quantitative Herbicide Performance Data: Why Should We not Rely Solely on Visible Assessments? N. E. Korres*1, J. Norsworthy2; 1University of Arkansas, Fayettevile, AR, 2University of Arkansas, Fayetteville, AR (369) |
9:15 | The Influence of Pump Shear on the Droplet Spectrum of Spray Mixtures Containing Dicamba, Glyphosate and Various Drift Reduction Agents. D. C. Bissell1, L. C. Magidow2, A. Clark3, R. L. Pigati*4, G. Dahl5, J. Gednalske6, E. Spandl4; 1WinField United, River Falls, WV, 2WinField United, Maplewood, MN, 3WinField United, River Falls, WI, 4WinField United, Shoreview, MN, 5WinField United, Eagan, MN, 6, River Falls, WI (370) |
9:30 | Performance of New High Loaded 2,4-D and Dicamba Formulations with Built-In Drift Reduction Technology. J. Daniel1, E. Westra*2, P. Westra2, G. Kruger3, S. K. Parrish4; 1Daniel Ag Consulting, Hudson, CO, CO, 2Colorado State University, Fort Collins, CO, 3University of Nebraska, North Platte, NE, 4Agrasyst Inc., Spokane, WA (371) |
THURSDAY MORNING FEBRUARY 1
Section 12. Soil and Environmental Aspects
LOCATION: | Grand Salon K | |
TIME: | 10:00 AM - 12:00 PM | |
CHAIR: | Travis Gannon | |
North Carolina State University | ||
Raleigh, NC | ||
CO-CHAIR: | Te-Ming Tseng | |
Mississippi State University | ||
Mississippi State, MS | ||
MODERATOR: | Travis Gannon | |
North Carolina State University | ||
Raleigh, NC |
*SPEAKER
10:00 | Phosphate status effects glyphosate uptake, translocation and transport in Eucalyptus grandis. W. Peer*1, F. Campos Mastrotti Pereira2, P. Aguiar Alves2; 1University of Maryland, College Park, MD, 2São Paulo State University, Jaboticabal, Brazil (372) |
10:15 | Reduction on surface runnoff of S-metolachlor and metolachlor oxalic acid by using vegetative filter strip. V. Gehrke1, E. R. Camargo*1, L. Avila1, J. Arias2, E. Primel2, F. Brunetto1, S. Pereira1; 1Federal University of Pelotas, Pelotas, Brazil, 2Federal University of Rio Grande, Rio Grande, Brazil (373) |
10:30 | Response of Five Cover Crop Species to Glyphosate and Aminomethylphosphonic acid (AMPA) Residues in Silty Clay Soil. Z. Ganie*, A. Jhala; University of Nebraska, Lincoln, NE (374) |
10:45 | Soil Volumetric Water Content Influence Herbicide Bioavailability and Lateral Mobility. T. Gannon, S. Brinton, P. J. Maxwell*; North Carolina State University, Raleigh, NC (375) |
11:00 | Dicamba Volatility under Field and Controlled conditions. T. Mueller*1, L. Steckel2; 1University of Tennessee, Knoxville, TN, 2University of Tennessee, Jackson, TN (376) |
11:15 | Humidome study on the volatility of dicamba from soil surfaces. C. D. Willett*, E. M. Grantz, J. Norsworthy; University of Arkansas, Fayetteville, AR (377) |
11:30 | Comparison of 2,4-D amine and 2,4-D choline volatility under field conditions. T. Mueller*1, C. Sayer2, P. Hay2, C. Silva2, B. Bruss3; 1University of Tennessee, Knoxville, TN, 2Nufarm, Laverton North, Australia, 3Nufarm, Raleigh, NC (378) |
11:45 | Air sampler demonstration and discussion: Lessons learned. T. Mueller*1, L. Steckel2; 1University of Tennessee, Knoxville, TN, 2University of Tennessee, Jackson, TN (379) |
THURSDAY MORNING FEBRUARY 1
Section 11. Physiology
LOCATION: | Arlington Salon III | |
TIME: | 8:00 AM - 12:00 PM | |
CHAIR: | Christopher Rouse | |
University of Arkansas | ||
Fayetteville, AR | ||
CO-CHAIR: | Christopher Rouse | |
University of Arkansas | ||
Fayetteville, AR | ||
MODERATOR: | Christopher Van Horn | |
USDA | ||
Parlier, CA |
*SPEAKER
8:00 | Field Evaluation of the Potential Herbicide Tolerant Tomato Screened from Diverse Germplasm. G. Sharma*1, C. Barickman1, R. Snyder1, T. Tseng2; 1Mississippi State University, Starkville, MS, 2Mississippi State University, Mississippi State, MS (380) |
8:15 | Characterizing the Tolerance Mechanism of Rice Cultivars to the HPPD-inhibitor Benzobicyclon. C. Brabham*, V. Varanasi, J. Norsworthy; University of Arkansas, Fayetteville, AR (381) |
8:30 | Study on Sensitivity of Different Leaf Age of Barnyardgrass to Bispyribac-sodium and Cyhalofop-butyl. X. Liu*, Y. Deng, J. li, C. Jin; Hunan University of Humanities, Science and Technology, Loudi, Peoples Republic (382) |
8:45 | Multiple Resistance to Glyphosate, Paraquat, ACCase- and ALS-inhibitors in California Italian Ryegrass: Confirmation, Control and Resistance Mechanisms. P. Tehranchian*1, V. Nandula2, M. Jugulam3, M. Jasieniuk1; 1University of California, Davis, CA, 2USDA-ARS, Stoneville, MS, 3Kansas State University, Manhattan, KS (383) |
9:00 | Non-Target Site Resistance to Flucarbazone, Imazamethabenz, and Pinoxaden is Controlled by Three Linked Genes in Avena fatua. E. E. Burns*1, B. K. Keith2, L. E. Talbert2, W. e. Dyer2; 1Michigan State University, East Lansing, MI, 2Montana State University, Bozeman, MT (384) |
9:15 | Differential Synthetic Auxin Binding to TIR1 and AFB5 and Comparative Downstream Perception of 2,4-D and Florpyrauxifen-benzyl in Arabidopsis thaliana. P. R. Schmitzer*1, J. L. Bell2, J. Prusinska3, R. Napier3, D. Riar1, M. Donahue1, N. Elango1; 1Dow AgroSciences LLC, Indianapolis, IN, 2Dow Agrosciences, Brownsburg, IN, 3University of Warwick, Coventry, England (385) |
9:30 | Co-evolution of Abiotic Stress Adaptation and Quinclorac Resistance in Echinochloa colona. C. Rouse*1, N. R. Burgos1, C. A. Saski2, R. E. Noorai2, V. Shankar2; 1University of Arkansas, Fayetteville, AR, 2Clemson University, Clemson, SC (386) |
9:45 | Convergence of Gene Networks in Multiple-Resistant Echinochloa. N. Roma-Burgos*1, C. Rouse1, C. A. Saski2, R. E. Noorai2, A. L. Lawton-Rauh2, V. Shankar2; 1University of Arkansas, Fayetteville, AR, 2Clemson University, Clemson, SC (387) |
10:00 | Break |
10:15 | Molecular Insights Into Glyphosate Resistance Mechanisms in North American Giant Ragweed. P. Westra*1, C. R. Van Horn2, T. Gaines1, D. E. Stoltenberg3, K. Ravet1; 1Colorado State University, Fort Collins, CO, 2USDA, Parlier, CA, 3University of Wisconsin, Madison, WI (388) |
10:30 | Differing Mechanisms of Glyphosate Resistance in Chloris truncata and Chloris virgata in Australia. T. D. Ngo, J. M. Malone, M. Krishnan, P. Boutsalis, G. S. Gill, C. Preston*; University of Adelaide, Glen Osmond, Australia (389) |
10:45 | EPSPS Amplification Triggers Genome Alteration and Rapid Evolution of Glyphosate Resistance in Amaranthus tuberculatus. M. Jugulam*1, D. Koo2, B. Friebe2, B. S. Gill2; 1Kansas State University, Manhattan, KS, 2Educational, Manhattan, KS (390) |
11:00 | Expression Hotspots in Herbicide Resistant Waterhemp (Amaranthus tuberculatus). D. Giacomini*1, T. Gaines2, R. S. Beffa3, P. Tranel4; 1University of Illinois, Urbana, IL, 2Colorado State University, Fort Collins, CO, 3Bayer CropScience, Frankfort / Main, Germany, 4University of Illinois, Urbana, IL (391) |
11:15 | Identification of the Genetic Basis for Dicamba Resistance in Kochia scoparia. P. Westra*1, S. LeClere2, D. Sammons3, T. Gaines1; 1Colorado State University, Fort Collins, CO, 2Monsanto Company, St Louis, MO, 3, Chesterfield, MO (392) |
11:30 | Herbicide Metabolic Resistance Characterization. A Review. R. S. Beffa*; Bayer CropScience, Frankfort / Main, Germany (393) |
11:45 | Genes Driving Detoxification in Amaranthus palmeri Under Glyphosate Exposure. W. Molin*1, C. A. Saski2; 1USDA-ARS, Stoneville, MS, 2Clemson University, Clemson, SC (394) |
THURSDAY AFTERNOON FEBRUARY 1
Section 11. Physiology
LOCATION: | Arlington Salon III | |
TIME: | 1:00 PM - 2:30 PM | |
CHAIR: | Christopher Rouse | |
University of Arkansas | ||
Fayetteville, AR | ||
CO-CHAIR: | Christopher Rouse | |
University of Arkansas | ||
Fayetteville, AR | ||
MODERATOR: | Christopher Van Horn | |
USDA | ||
Parlier, CA |
*SPEAKER
1:00 | Inheritance and Comparison of PPO-inhibitor Resistance Mechanisms in Palmer amaranth. V. Varanasi*, C. Brabham, J. Norsworthy; University of Arkansas, Fayetteville, AR (395) |
1:15 | A Novel Amino Acid Substitution (Gly399Ala) in Protoporphyrinogen Oxidase 2 Confers Broad Spectrum PPO-Inhibitor Resistance in Amaranthus palmeri. G. Rangani1, R. Salas*1, R. A. Aponte2, A. Landes2, N. Roma-Burgos1; 1University of Arkansas, Fayetteville, AR, 2BASF SE, Limburgerhof, Germany (396) |
1:30 | Are Resistant Weeds More Resilient? Differential Induction of Secondary Metabolite Profiles Across Glyphosate Susceptible and Resistant Populations of Amaranthus palmeri in Response to Abiotic Stressors. N. Tharayil*1, E. M. Leonard1, A. S. Maroli1, V. Nandula2, S. Duke3; 1Clemson University, Clemson, SC, 2USDA-ARS, Stoneville, MS, 3USDA-ARS, Oxford, MS (397) |
1:45 | WeedGenomics: An Online Repository for Genomic Information of Weeds. J. S. McElroy*, S. Sivaraj, S. Wilkhu, H. Zhang; Auburn University, Auburn, AL (398) |
2:00 | Possibilities and Potential Consequences of Microbiome Mediated Herbicide Resistance. J. Gressel*; Weizmann Institute of Science, Rehovot, Israel (399) |