PROGRAM

TUESDAY  MORNING    FEBRUARY 4

Section 1. Agronomic Crops

 

*PRESENTER

 

Evaluating Leaf Hyperspectral Reflectance Data to Discriminate Four Soybean Varieties from Three Weed Species. R. S. Fletcher*, S. J. Thomson, K. N. Reddy; USDA-ARS, Stoneville, MS (1)

 

Relating Early Season Ground Cover to†Yield Loss in Soybean Using Image Analysis. P. Gregoire*, R. H. Gulden; University of Manitoba, Winnipeg, MB (2)

 

Pollen-mediated Gene Flow between Glyphosate-resistant Brassica napus Canola and B. juncea and B. carinata Mustard Crops  under Large-scale Field Conditions. G. Seguin-Swartz1, H. J. Beckie*1, S. I. Warwick2, V. Roslinsky1, J. A. Nettleton1, E. N. Johnson3, K. C. Falk1; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2Agriculture and Agri-Food Canada, Ottawa, ON, 3Agriculture and Agri-Food Canada, Scott, SK (3)

 

Balance GT Soybean Performance in Kentucky. S. K. Lawson*1, C. Slack1, M. Waddington2; 1University of Kentucky, Lexington, KY, 2Bayer CropScience, Owensboro, KY (5)

 

Summary of Results Related to Weed Management in FG72 Soybean in Missouri. E. B. Riley*, J. Schultz, K. W. Bradley; University of Missouri, Columbia, MO (6)

 

Late-season Weed Management with In-crop and Postharvest Herbicides in Twin-row Glyphosate-resistant Soybean. K. N. Reddy*, C. T. Bryson; USDA-ARS, Stoneville, MS (7)

 

Glufosinate Metabolism in Transgenic Wheat. A. M. Rojano1, F. Priego-Capote1, M. Luque De Castro1, F. Barro2, R. De Prado*1; 1Universidad de Cordoba, Cordoba, Spain, 2CSIC, Cordoba, Spain (9)

 

Herbicide Resistant Weeds in Europe. I. M. Heap*; WeedSmart, Corvallis, OR (10)

 

Current Status of Glyphosate Resistant Weeds in Europe. F. Gonzalez-Torralva*1, J. A. Dominguez-Valenzuela2, J. Costa3, I. Brants4, R. De Prado1; 1Universidad de Cordoba, Cordoba, Spain, 2Chapingo Autonomous University, Texcoco, Mexico, 3Monsanto, Madrid, Spain, 4Monsanto, Brussels, Belgium (11)

 

Multiple-Resistant Palmer Amaranth Management Strategies in Corn. J. R. Kohrt*, C. L. Sprague; Michigan State University, East Lansing, MI (12)

 

Management of Glyphosate-Resistant Palmer Amaranth in Cotton Using Cover Crops and Herbicides. M. S. Wiggins*, R. M. Hayes, L. Steckel; University of Tennessee, Jackson, TN (13)

 

Palmer Amaranth and Texas Millet Control in Bollgard II XtendFlexTM Cotton. P. A. Dotray*1, J. W. Keeling2, T. S. Morris2, R. M. Merchant3, M. R. Manuchehri3, J. D. Everitt4; 1Texas Tech Univ., Texas A&M AgriLife Research and Extension, Lubbock, TX, 2Texas A&M AgriLife Research, Lubbock, TX, 3Texas Tech Univ, Lubbock, TX, 4Monsanto, Lubbock, TX (14)

 

Cotton Response and Palmer Amaranth Control Following Pyrasulfotole Plus Bromoxynil Applied Postemergence-directed. T. S. Morris*1, P. A. Dotray2, J. W. Keeling1, W. R. Perkins3; 1Texas A&M AgriLife Research, Lubbock, TX, 2Texas Tech University, Lubbock, TX, 3Bayer CropScience, Idalou, TX (15)

 

Glyphosate-resistant Canada Fleabane Control in Enlist Corn. N. Soltani*1, L. Ford2, P. H. Sikkema1; 1University of Guelph, Ridgetown, ON, 2University of Guelph Ridgetown Campus, Ridgetown, ON (18)

 

Simulating the Evolution of ALS Resistance in Shattercane. R. Werle*1, M. Renton2, A. Jhala1, J. L. Lindquist1; 1University of Nebraska, Lincoln, NE, 2The University of Western Australia, Crawley, Australia (19)

 

Wheat Response to Tank Mixing Fungicides with Pyroxsulam Formulations and 2,4-D. J. P. Yenish*1, P. Prasifka2; 1Dow AgroSciences, Billings, MT, 2Dow AgroSciences, West Fargo, ND (21)

 

Non-Target Mechanisms to Imazamox in Wheat. A. M. Rojano1, A. I. Jurado1, F. Jimťnez2, R. De Prado*1; 1Universidad de Cordoba, Cordoba, Spain, 2INIAF, Bonao, Dominican Republic (22)

 

Kochia Management with Herbicides Applied Postharvest in Wheat Stubble. V. Kumar*, P. Jha, A. V. Varanasi, S. Leland; Montana State University, Huntley, MT (23)

 

Winter Barley Tolerance to Flufenacet and Pyroxasulfone. J. Campbell*1, D. Morishita2, T. Rauch1, D. Thill1; 1University of Idaho, Moscow, ID, 2University of Idaho, Kimberly, ID (24)

 

Effects of Growth Regulator Rate and Application Timing on Sorghum Growth and Yield. T. E. Besancon*, W. J. Everman, R. Riar; North Carolina State University, Raleigh, NC (25)

 

Safeners for Clomazone in Canola. W. K. Vencill*1, T. L. Grey2, E. P. Prostko2; 1University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (26)

 

Pod-drop and Pod-shatter are not Related in Brassica napus. A. Cavalieri*1, D. W. Lewis2, R. H. Gulden1; 1University of Manitoba, Winnipeg, MB, 2University of Mantioba, Winnipeg, MB (27)

 

Early and Late Postemergence Weed Control in Sugarcane. D. Odero1, G. Montes2, N. Havranek*1; 1University of Florida, Belle Glade, FL, 2Florida Crystal Corporation, South Bay, FL (28)

 

Persistence of Summer Applied Soil Residual Herbicides to Autumn-planted Energy Beet. T. L. Grey*1, T. M. Webster2, B. Scully2; 1University of Georgia, Tifton, GA, 2USDA-ARS, Tifton, GA (29)

 

Desiccation and Yield of Three Black Bean Varieties. A. M. Goffnett*, C. L. Sprague; Michigan State University, East Lansing, MI (30)

 

Sensitivity of Cranberry and Kidneybeans to Linuron. N. Soltani*1, C. Shropshire2, P. H. Sikkema1; 1University of Guelph, Ridgetown, ON, 2University of Guelph Ridgetown Campus, Ridgetown, ON (31)

 

Peanut Cultivar Response to Pyroxasulfone Applied Preemergence. P. M. Eure*, E. P. Prostko; University of Georgia, Tifton, GA (32)

 

Investigating Glyphosate Efficacy for Control of Pokeweed in Pennsylvania Field Crops. K. M. Patches*, W. Curran; Penn State University, University Park, PA (33)

 

Effect of Spray Tip and Herbicide Program on Efficacy, Droplet Size, and Coverage. D. M. Dodds*1, D. Z. Reynolds1, C. Samples2, T. Dixon1, G. Kruger3, J. Mills4; 1Mississippi State University, Mississippi State, MS, 2Mississippi State University, Mississippi States, MS, 3University of Nebraska, North Platte, NE, 4Monsanto, Collierville, TN (34)




TUESDAY  MORNING    FEBRUARY 4

Section 2. Horticultural Crops

 

*PRESENTER

 

Evaluation of an Organic Reduced Tillage System in the Pacific Northwest and the Influence on Weed Populations. C. A. Benedict*1, S. Wayman2, D. Collins3, C. Cogger2, A. Bary2, A. Corbin4; 1Washington State University, Bellingham, WA, 2Washington State University, Puyallup, WA, 3Washington State University Extension, Puyallup, WA, 4Washington State University, Everett, WA (35)

 

Cost Analysis of Alternative Treatments for Managing Glyphosate- resistant Conyza spp. in Orchards and Vineyards of California. S. Konduru1, M. Jasieniuk2, B. D. Hanson2, K. Hembree3, S. D. Wright4, A. Shrestha*1; 1California State University, Fresno, CA, 2University of California, Davis, CA, 3University of California Cooperative Extension, Fresno, CA, 4University of California Cooperative Extension, Tulare, CA (36)

 

Environmental Impact of Different Weed Control Systems in Organic Vineyards in the San Joaquin Valley. S. Konduru, K. Kurtural, A. Shrestha*; California State University, Fresno, CA (37)

 

Heavy Rye Cover Crop Residue Influences Weed Control and Melon Production. S. Culpepper, P. M. Eure*; The University of Georgia, Tifton, GA (39)

 

Cover Crops for Organic Strawberry Cropping Systems. J. N. Dagua1, C. A. Chase*2, J. Lopez2; 1EARTH University, GuŠcimo, Costa Rica, 2University of Florida, Gainesville, FL (40)

 

Evaluation of New Natural Weed Control Products. J. O'Sullivan*1, R. C. Van Acker2, R. D. Grohs1; 1University of Guelph, Simcoe, ON, 2University of Guelph, Guelph, ON (41)

 

Identification of a New Glucosinolate Breakdown Product and its Phytotoxicity Against Seed Emergence and Growth. S. Intanon*, A. G. Hulting, J. F. Stevens, R. L. Reed, C. Mallory-Smith; Oregon State University, Corvallis, OR (42)

 

Screening Herbicides for Oklahoma Sweet Potato Crops. L. Brandenberger, A. R. Post*, D. Williams; Oklahoma State University, Stillwater, OK (43)

 

The IR-4 Project: Update on Weed Control Projects (Food Uses). M. Arsenovic*1, D. Kunkel2, J. Baron2; 1IR-4 Project, Princeton, NJ, 2IR-4, Rutgers University, Princeton, NJ (45)




TUESDAY  MORNING    FEBRUARY 4

Section 3. Turf and Ornamental Crops

 

*PRESENTER

 

Liquid Carbon Dioxide for Selective Weed Control in Established Turfgrass Systems†. D. J. Mahoney*, M. Jeffries, T. Gannon; North Carolina State University, Raleigh, NC (46)

 

Screening for Tolerance to Asulam in St. Augustinegrass and to Fluazifop-P-butyl in Zoysiagrass Germplasm. R. G. Leon*1, B. Unruh1, K. E. Kenworthy2; 1University of Florida, Jay, FL, 2University of Florida, Gainesville, FL (47)




TUESDAY  MORNING    FEBRUARY 4

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

 

*PRESENTER

 

Prioritizing Suitable Habitat for Mimosa pigra Growth as a Tool in a Weed Control Plan. W. Robles*1, R. Gonzalez2; 1University of Puerto Rico, Mayaguez, Dorado, PR, 2US Fish and Wildlife Service, Cabo Rojo, PR (49)

 

Efficacy of Three Herbicides for the Control of Mimosa pigra in Puerto Rico. M. L. Lugo*1, W. Robles2, Y. Quijano3, R. Couto1; 1University of Puerto Rico, Gurabo, PR, 2University of Puerto Rico, Corozal, PR, 3University of Puerto Rico, Mayaquez, PR (50)

 

Clover, Soybean, and Tobacco Response to Synthetic Auxin Herbicides Following Application to an Orchardgrass Pasture. J. Green*, W. Witt, J. Omielan; University of Kentucky, Lexington, KY (51)

 

Switchgrass†(Panicum virgatum)†Growth Stage and Atrazine Tolerance. W. M. Churchman*, M. Barrett, D. W. Williams; University of Kentucky, Lexington, KY (52)




TUESDAY  MORNING    FEBRUARY 4

Section 5. Wildland and Aquatic Invasive Plants

 

*PRESENTER

 

Inferring the Complex Origins of Horticultural Invasives: French Broom in California. M. Jasieniuk*1, A. Kleist1, A. Herrera-Reddy2, R. Sforza3; 1University of California, Davis, CA, 2USDA-ARS, Albany, CA, 3USDA-ARS, St. Gely du Fesc, France (53)

 

Late Season vs Early Season Selective Control of Winter Creeper (Euonymus fortunei). J. Omielan*, W. Witt; University of Kentucky, Lexington, KY (54)

 

Response of Invasive Swallow-worts (Vincetoxicum spp.) to Repeated Artificial Defoliation or Clipping. L. R. Milbrath1, A. DiTommaso*2, J. Biazzo1, S. H. Morris2; 1USDA-ARS, Ithaca, NY, 2Cornell University, Ithaca, NY (55)

 

Climate Drives Bromus tectorum Positive Feedback with Fire. K. Taylor1, T. Brummer2, L. J. Rew1, M. Lavin1, B. D. Maxwell*1; 1Montana State University, Bozeman, MT, 2Lincoln University, Lincoln, New Zealand (56)




TUESDAY  MORNING    FEBRUARY 4

Section 6. Regulatory Aspects

 

*PRESENTER



TUESDAY  MORNING    FEBRUARY 4

Section 7. Education and Extension

 

*PRESENTER

 

Herbicide Trends Over the Past 15 Years in the Northeastern United States. D. Lingenfelter*, W. Curran; Penn State University, University Park, PA (57)




TUESDAY  MORNING    FEBRUARY 4

Section 8. Formulation, Adjuvant and Application Technology

 

*PRESENTER

 

Effectof Various Organic Emulsifiers on Crop Growth and Weed Control. S. Jang*1, K. Kim1, Y. Yun1, K. Hyun1, D. Kim2, C. A. Mallory-Smith3, A. G. Hulting3, Y. Kuk1; 1Sunchon National University, Suncheon, South Korea, 2Jeonnam Agricultural Research and Extension Service, Naju, South Korea, 3Oregon State University, Corvallis, OR (59)

 

The Impact of Sprayer Cleanout Procedure on Dicamba Injury to Soybean. G. Cundiff*1, D. B. Reynolds2, J. B. Guice3, W. E. Thomas3; 1BASF, Raleigh, NC, 2Mississippi State University, Mississippi State, MS, 3BASF Corporation, Research Triangle Park, NC (61)




TUESDAY  MORNING    FEBRUARY 4

Section 9. Weed Biology and Ecology

 

*PRESENTER

 

Weed Seed Survival in Corn Silage. M. Simard1, C. Lambert-Beaudet1, R. E. Blackshaw*2; 1Agriculture and Agri-Food Canada, Quebec, QC, 2Agriculture and Agri-Food Canada, Lethbridge, AB (62)

 

Impact of Cereal Rye and Red Clover on Weed Seed Decay. E. C. Hill*, K. A. Renner, C. L. Sprague; Michigan State University, East Lansing, MI (63)

 

Comparing Physical, Chemical and Cold Stratification Methods for Alleviating Seed Dormancy in Giant Ragweed (Ambrosia trifida). E. R. Page, R. E. Nurse*; Agriculture and Agri-Food Canada, Harrow, ON (64)

 

Mechanics of the Palmer Amaranth Integrated Management Model (PAM). M. V. Bagavathiannan*1, J. K. Norsworthy1, M. Lacoste2, S. Powles3; 1University of Arkansas, Fayetteville, AR, 2University of Western Australia, Perth, Australia, 3University of Western Australia, Crawley, Australia (65)

 

Comparison of Seed Mortality of Palmer Amaranth and Powell Amaranth in Michigan. D. K. Powell*, C. L. Sprague, K. A. Renner; Michigan State University, East Lansing, MI (66)

 

The Effects of Delaying Irrigation on Disturbed Soil Seedbanks of Palmer Amaranth (Amaranthus palmeri), Yellow Foxtail (Setaria pumila) and Junglerice (Echinochloa colona). B. J. Schutte*, N. Klypina, V. Zamora, A. Cunningham, J. Ashigh; New Mexico State University, Las Cruces, NM (67)

 

Effect of Light Intensity on Growth, Morphology, and Size Hierarchy of Redroot Pigweed (Amaranthus retroflexus). R. Gaire*, M. K. Upadhyaya; University of British Columbia, Vancouver, BC (68)

 

Influence of Plant Density on Size Hierarchy of Common Lambsquarters (Chenopodium album) in Absence of Resource Competition. L. Ma*, M. K. Upadhyaya; University of British Columbia, Vancouver, BC (69)

 

Comparative Growth of Henbit (Lamium amplexicaule) Based on Emergence Date. B. C. Woolam*, D. O. Stephenson, IV, R. L. Landry; Louisiana State University AgCenter, Alexandria, LA (70)

 

Greenhouse Evaluation of Allelopathic Potential of Conyza canadensis on Corn and Soybean Seedlings. P. B. Trewatha*, B. Marshall; Missouri State University, Springfield, MO (71)

 

Dynamics of Weed Emergence in Alternative Rice Irrigation Systems in California. W. B. Brim-DeForest*1, R. M. Pedroso1, L. G. Boddy2, B. A. Linquist1, A. J. Fischer1; 1University of California, Davis, CA, 2Marrone Bio Innovations, Davis, CA (72)

 

Optimizing Sorghum halepense Management Through the Use of a†Spatial-Temporal Model. J. Barroso1, T. Brummer2, B. D. Maxwell*1; 1Montana State University, Bozeman, MT, 2Lincoln University, Lincoln, New Zealand (73)

 

Quantifying the Relative Invasive Potential of†Genetically†Modified Crops using Demographic Analysis. D. Clements1, H. J. Beckie2, L. Hall3, R. E. Nurse4, M. Simard5, L. Raatz3, B. C. Alexander*3; 1Trinity Western University, Langley, BC, 2Agriculture and Agri-Food Canada, Saskatoon, SK, 3University of Alberta, Edmonton, AB, 4Agriculture and Agri-Food Canada, Harrow, ON, 5Agriculture and Agri-Food Canada, Quebec, QC (74)

 

Preliminary Analysis of the EPSPS Amplicon using 454 Sequence Data. D. Giacomini*, P. Westra, S. Ward; Colorado State University, Fort Collins, CO (75)

 

Myxocarpy in Weedy Species of Artemisia. S. J. Darbyshire*1, G. O. Kegode2; 1Agriculture and Agri-Food Canada, Ottawa, ON, 2Northwest Missouri State University, Maryville, MO (76)

 

Confirmation of Molecular Basis for Metribuzin and Terbacil Resistance in Redroot Pigweed (Amaranthus retroflexus) and Common Lambsquarters (Chenopodium album) Populations from Washington, USA. J. F. Spring*1, R. A. Boydston2, L. Riu3, I. C. Burke1; 1Washington State University, Pullman, WA, 2USDA-ARS, Prosser, WA, 3Nanjing Agricultural University, Nanjing, Peoples Republic (77)

 

Evolution and Spread of Glyphosate Resistance in Conyza canadensis and C. bonariensis in California Orchards and Vineyards. M. Jasieniuk*1, M. Okada1, B. D. Hanson1, K. Hembree2, Y. Peng3, A. Shrestha4, N. Stewart3, S. D. Wright5; 1University of California, Davis, CA, 2University of California Cooperative Extension, Fresno, CA, 3University of Tennessee, Knoxville, TN, 4California State University, Fresno, CA, 5University of California Cooperative Extension, Tulare, CA (78)

 

Glyphosate and Pyrithiobac Resistant Palmer Amaranth in Arizona. W. B. McCloskey*; University of Arizona, Tucson, AZ (79)

 

Niche Management with Polycultures of Summer Annual Forage Crops. K. Bybee-Finley1, M. Ryan*1, S. Mirsky2; 1Cornell University, Ithaca, NY, 2USDA-ARS, Beltsville, MD (80)

 

Variation in Bromus tectorum Development Across the Small Grain Production Region of the PNW. N. C. Lawrence*1, D. A. Ball2, I. C. Burke1; 1Washington State University, Pullman, WA, 2Oregon State University, Pendleton, OR (81)

 

Throwing the Baby out with the Bath Water: The Effect of Noxious Weed Control on Plant Diversity in the Sagebrush Steppe. T. Seipel*, E. A. Lehnhoff, L. J. Rew, M. Lavin, B. D. Maxwell; Montana State University, Bozeman, MT (82)

 

Emergence Characterization of Kochia (Kochia scoparia) Accessions from Northern and Central Great Plains. A. V. Varanasi*, P. Jha, V. Kumar, S. Leland; Montana State University, Huntley, MT (83)

 

Heavy Metal Accumulation Along Roadsides Influence the Early†Establishment of Groundcovers and Ambrosia artemisiifolia. J. Bae1, D. L. Benoit*2, A. Watson3; 1McGill University, Ste. Anne de Bellevue, QC, 2Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, QC, 3McGill University, Ste-Anne-de-Bellevue, QC (84)

 

A Presently-undetermined Meloidogyne species was Found to Parasitize Yellow and Purple Nutsedge: Should we be Concerned? J. Schroeder*1, S. Thomas1, J. Beacham1, L. Holland2, L. Murray3, N. Schmidt1, S. Hanson1, E. Morris1; 1New Mexico State University, Las Cruces, NM, 2Washington State University, Pullman, WA, 3Kansas State University, Manhattan, KS (85)




TUESDAY  MORNING    FEBRUARY 4

Section 10. Biocontrol of Weeds

 

*PRESENTER

 

Using Genotyping by Sequencing to Genetically Characterize Global Accessions of the Noxious Weed, Imperata cylindrica. M. Burrell*, P. E. Klein; Texas A&M University, College Station, TX (86)




TUESDAY  MORNING    FEBRUARY 4

Section 11. Physiology

 

*PRESENTER

 

EPSPS Gene Transfer from Glyphosate-resistant Palmer Amaranth (Amaranthus palmeri) to Spiny Amaranth (Amaranthus spinosus). V. K. Nandula*1, A. A. Wright2, W. Molin1, J. D. Ray1, J. Bond2, T. Eubank2; 1USDA-ARS, Stoneville, MS, 2Mississippi State University, Stoneville, MS (89)

 

Mechanism of Mesotrione Resistance in Palmer Amaranth. S. Betha, A. S. Godar*, C. Thompson, M. Jugulam; Kansas State University, Manhattan, KS (90)

 

The Amplicon of EPSP Synthase, an Update. W. Molin*1, A. A. Wright2; 1USDA-ARS, Stoneville, MS, 2Mississippi State University, Stoneville, MS (91)

 

Determination of Glyphosate Sequestration as the Basis of Resistance in Glyphosate-resistant Plants Using an in vivo Shikimate Accumulation Assay. J. Ashigh*1, M. Mohseni-Moghadam2, B. J. Schutte1, A. Shrestha3; 1New Mexico State University, Las Cruces, NM, 2The Ohio State University, Wooster, OH, 3California State University, Fresno, CA (92)

 

Accumulation of Shikimic Acid in three Eucalyptus Clonal Hybrids in Response to Glyphosate. G. L. Gomes*, C. A. Carbonari, E. D. Velini, D. O. Latorre, P. S. Siműes; UNESP - Univ. Estadual Paulista, Botucatu, Brazil (93)

 

Effects of Glyphosate on Shikimic Acid and Aromatic Amino Acids in Sugar Cane. C. A. Carbonari*, G. L. Gomes, E. D. Velini, G. J. Picoli Jr, A. K. Matos; UNESP - Univ. Estadual Paulista, Botucatu, Brazil (94)

 

Chemical Specificity Associated with Herbicide Tolerance in AFB5-Deficient Arabidopsis. C. L. McCauley*1, J. L. Bell2, P. R. Schmitzer2; 1Cornell University, Ithaca, NY, 2Dow AgroSciences LLC, Indianapolis, IN (95)

 

Varying Tolerance to Glyphosate in Palmer Amaranth Plants with Low EPSPS Gene Copy Number. R. E. Hoagland*1, N. D. Teaster2; 1USDA-ARS, CPSRU, Stoneville, MS, 2USDA-ARS, Stoneville, MS (96)

 

Gene Amplification is Not Involved in the Glyphosate Resistant Mechanism of Horseweed from Spain. F. Gonzalez-Torralva*1, M. J. Gimťnez2, F. Barro2, R. De Prado1; 1Universidad de Cordoba, Cordoba, Spain, 2Institute for Sustainable Agriculture (CSIC), Cordoba, Spain (97)

 

Segregation Analysis of Glyphosate-resistant Trait(s) in F2 Populations of Mutagenized Spring Wheat Cultivars. A. Aramrak*1, I. C. Burke1, C. M. Steber2, A. H. Carter1, K. K. Kidwell1; 1Washington State University, Pullman, WA, 2USDA-ARS, Pullman, WA (98)

 

Genetic Basis of Glyphosate Resistance in Kochia (Kochia scoparia). K. Niehues*, M. Jugulam; Kansas State University, Manhattan, KS (99)

 

Screening for Glyphosate-Resistance in Palmer Amaranth (Amaranthus palmeri) Populations of California's San Joaquin Valley. S. I. Rios*1, S. D. Wright2, A. Shrestha1; 1California State University, Fresno, CA, 2University of California Cooperative Extension, Tulare, CA (100)

 

Investigation of Multiple Herbicide Resistant Echinochloa crus-galli in Mississippi. A. A. Wright*1, V. K. Nandula2, D. Shaw3, J. Bond1; 1Mississippi State University, Stoneville, MS, 2USDA-ARS, Stoneville, MS, 3Mississippi State University, Starkville, MS (101)

 

Mechanism of Multiple-Herbicide Resistance in Kochia (Kochia scoparia). A. S. Godar*1, V. Varanasi1, R. Currie2, A. Dille1, C. Thompson1, P. W. Stahlman3, M. Jugulam1; 1Kansas State University, Manhattan, KS, 2Kansas State University, Garden City, KS, 3Kansas State University, Hays, KS (102)

 

Differences in Leaf Surface Characteristics as Source of Oxyfluorfen Resistance in a Glyphosate-resistant Lolium multiflorum Biotype. J. Menendez*1, F. Gonzalez-Torralva2, P. Fernandez2, R. De Prado2; 1Universidad de Huelva, Huelva, Spain, 2Universidad de Cordoba, Cordoba, Spain (103)

 

Glyphosate Resistance in Giant Ragweed from Mississippi. V. K. Nandula*1, A. A. Wright2, W. Molin1, K. N. Reddy1; 1USDA-ARS, Stoneville, MS, 2Mississippi State University, Stoneville, MS (104)

 

Roundup Ready Wheat: What We Have Learned. C. Mallory-Smith*, B. Martins, R. Zemetra, C. Roseborough; Oregon State University, Corvallis, OR (105)

 

Cross-resistance of Broadleaf Weeds to 2,4-D and Dicamba. M. Jugulam*, A. S. Godar; Kansas State University, Manhattan, KS (107)

 

Fate of Foliar Applied Aminocyclopyrachlor in Aspen. Y. Duan*, N. C. Lawrence, A. J. Raeder, I. C. Burke; Washington State University, Pullman, WA (109)

 

The Interactions Between Pyroxasulfone and Sulfentrazone on Sunflower. D. L. Shaner*1, E. Westra2; 1USDA-ARS, Fort Collins, CO, 2Colorado State University, Fort Collins, CO (110)




TUESDAY  MORNING    FEBRUARY 4

Section 12. Soil and Environmental Aspects

 

*PRESENTER

 

Impact of Weed Management Systems on Greenhouse Gas Emissions. A. M. Knight*, W. J. Everman, S. Reberg-Horton, S. Hu; North Carolina State University, Raleigh, NC (111)

 

Responses of Cotton Growth to Fomesafen and Quantitative Analysis of Fomesafen Field Dissipation in Three Locations of Georgia. X. Li*1, T. L. Grey2, B. H. Blanchett2, W. K. Vencill1; 1University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (113)




TUESDAY  MORNING    FEBRUARY 4

Section 13. Integrated Weed Management

 

*PRESENTER

 

Efficacy of Amitrol on Glyphosate-resistant and-susceptible Conyza bonariensis Biotypes. F. Gonzalez-Torralva*1, R. De Prado1, A. Salamero2; 1Universidad de Cordoba, Cordoba, Spain, 2Nufarm EspaŮa S.A., Cordoba, Spain (119)

 

What Causes Large On-farm Harvest Losses in Canola? R. H. Gulden*1, S. Shirtliffe2, T. Haile2, L. M. Hall3, D. W. Lewis4, C. Willenborg2, K. N. Harker5; 1University of Manitoba, Winnipeg, MB, 2University of Saskatchewan, Saskatoon, SK, 3University of Alberta, Edmonton, AB, 4University of Mantioba, Winnipeg, MB, 5Agriculture and Agri-Food Canada, Lacombe, AB (120)

 

Brown vs. Green: Effects of Animal and Green Manures on Crop Competitiveness and Yield in Dryland Organic Systems. N. E. Tautges*, I. C. Burke, E. Fuerst, K. Borrelli, D. Pittmann, R. T. Koenig; Washington State University, Pullman, WA (121)

 

Preemergence Control of Invasive Weed Species in Environmental High Risk Caribbean UNESCO-protected Areas. J. Menendez*1, D. Camacho1, R. Alvarez2; 1Universidad de Huelva, Huelva, Spain, 2Universidad de Sancti Spiritus, Trinidad, Cuba (122)

 

Management Strategies of Potential Herbicide Resistant Weeds in Cotton in the San Joaquin Valley of California. G. Banuelos*1, A. Shrestha1, S. D. Wright2, S. I. Rios1; 1California State University, Fresno, CA, 2University of California Cooperative Extension, Tulare, CA (123)

 

Evaluation of Basal Bark Application with a Ready-To-Use Triclopyr Product¬†as a Control Method for¬†Rhamnus cathartica†in Alberta. D. Laubhann*, M. A. Pelletier, D. F. Slobinyk; City of Edmonton, Edmonton, AB (125)




TUESDAY  MORNING    FEBRUARY 4

CWSS Graduate Student Oral Presentation Contest

LOCATION:   Plaza B
TIME:   10:00 AM - 12:00 PM
CHAIR:   Mahesh Upadhyaya
    University of British Columbia
    Vancouver, BC
MODERATOR:   Mahesh Upadhyaya
    University of British Columbia
    Vancouver, BC

 

*SPEAKER

 

10:00   Early Physiological Mechanisms of Soybean Roots and Nodules in Response to the Presence of Above Ground Weeds. J. L. Gal*, C. J. Swanton, M. Afifi, L. Lukens, E. Lee; University of Guelph, Guelph, ON (126)

 

10:15   Corn and Soybean Responses to Weeds: A Common Toolbox. A. G. McKenzie-Gopsill*, M. Afifi, S. Amirsadeghi, L. Lukens, E. Lee, C. J. Swanton; University of Guelph, Guelph, ON (127)

 

10:30   Does Crop-weed Competition Differ Between Conventional and Organic Systems? D. Benaragama*, S. Shirtliffe; University of Saskatchewan, Saskatoon, SK (128)

 

10:45   Yield Loss Model for Volunteer Canola in Narrow and Wide Row Soybean. P. Gregoire*, R. H. Gulden; University of Manitoba, Winnipeg, MB (129)

 

11:00   Evaluating the Competitive Ability of Semi-leafless Field Pea (Pisum sativum) Cultivars. C. E. Jacob*1, C. Willenborg1, S. Shirtliffe1, T. Warkentin1, M. Dyck2; 1University of Saskatchewan, Saskatoon, SK, 2University of Alberta, Edmonton, AB (130)

 

11:15   Demographic and Fitness Consequences of Climate Stress on an Invasive Hybridizing Weed. Z. Teitel*, L. Campbell; Ryerson University, Toronto, ON (131)

 

11:45   The Effect of Early Stresses on Ear Development and Mid Season Reproductive Performance in Corn. V. H. Gonzalez*, E. Lee, L. Lukens, C. J. Swanton; University of Guelph, Guelph, ON (133)




TUESDAY  MORNING    FEBRUARY 4

NIFA Supported Research on Controlling Weedy and Invasive Plants

LOCATION:   Plaza A
TIME:   10:00 AM - 12:00 PM
CHAIR:   Ian Burke
    Washington State University
    Pullman, WA
MODERATOR:   Michael Bowers
    National Institute of Food and Agriculture
    Washington, DC

 

*SPEAKER

 

10:00   Characterizing the Parasitism Process is the Parasitic Weed Cuscuta. N. Sinha*; University of California, Davis, CA (134)

 

10:15   Dissecting the Drivers of Local Plant Invasions: Disturbance, Environment and Propagule Pressure. L. J. Rew*1, M. Bridges1, T. Brummer2, E. A. Lehnhoff1, F. W. Pollnac1, B. D. Maxwell1, T. Skurski1; 1Montana State University, Bozeman, MT, 2Lincoln University, Lincoln, New Zealand (135)

 

10:30   Fueling an Inferno: On the Potential of Plant Invasions to Feedback to Climate Change. N. Tharayil*, M. Tamura; Clemson University, Clemson, SC (136)

 

10:45   Strawberry Guava Biocontrol in Hawaii. M. Johnson*1, F. Hughes2, G. Asner3, R. Vargas4; 1USDA Forest Service, Volcano, HI, 2USDA Forest Service, Hilo, HI, 3Stanford University, Palo Alto, CA, 4USDA-ARS, Hilo, HI (137)

 

11:00   Toward a Cohesive Understanding of Resistance Evolution: The Impact of Gene Flow on the Evolution of Glyphosate Resistance in Ipomoea purpurea. R. S. Baucom*, A. Kuester; University of Michigan, Ann Arbor, MI (138)

 

11:15   Effects of Soil-conditioning Nurse Plants on the Relative Performance of Native and Exotic Grassland Perennials¬†. N. R. Jordan*1, S. Vink1, S. Huerd1, L. Kinkel1, C. Sheaffer2, L. Aldrich-Wolfe3; 1University of Minnesota, St Paul, MN, 2University of Minnesota, St. Paul, MN, 3Concordia College, Moorhead, MN (139)

 

11:30   Uncovering the Belowground Drivers of Weed-crop Competition for Improved Weed Management. R. G. Smith*1, E. A. Hobbie1, M. Ryan2, L. E. Drinkwater2; 1University of New Hampshire, Durham, NH, 2Cornell University, Ithaca, NY (140)

 

11:45   Molecular, Physiological, and Ecological Characterization of Multiple Herbicide Resistance in Avena fatua. W. E. Dyer*, B. Keith, E. Lehnhoff, F. Menalled, B. Maxwell; Montana State University, Bozeman, MT (141)




TUESDAY  MORNING    FEBRUARY 4

Section 3. Turf and Ornamental Crops

LOCATION:   Georgia B
TIME:   10:00 AM - 11:45 AM
CHAIR:   Ramon Leon
    University of Florida
    Jay, FL
MODERATOR:   Ramon Leon
    University of Florida
    Jay, FL

 

*SPEAKER

 

10:00   Preemergence and Postemergence Control of Arthraxon hispidus. J. Derr*; Virginia Tech, Virginia Beach, VA (142)

 

10:15   Bermudagrass Control in Cool-Season Turf with Topramezone. S. S. Rana*1, K. A. Venner2, M. C. Cox2, S. Askew2; 1Virginia Polytechnic Institute and State University, Blacksburg, VA, 2Virginia Tech, Blacksburg, VA (143)

 

10:30   Differential Response of Goosegrass and Smooth Crabgrass to Low Rates of Topramezone. M. C. Cox*, S. Askew; Virginia Tech, Blacksburg, VA (144)

 

10:45   Evaluation of Glyphosate Rates on Fine Fescue Cultivars. K. A. Venner*, S. Askew, M. Goatley, W. Askew; Virginia Tech, Blacksburg, VA (145)

 

11:00   Pinoxaden and Herbicide Safener Combinations on Creeping Bentgrass (Agrostis stolonifera) and Grassy Weeds. M. Elmore*1, J. Brosnan1, J. J. Vargas2, G. K. Breeden2; 1University of Tennessee, Knoxville, TN, 2The University of Tennessee, Knoxville, TN (146)

 

11:15   Fate of Arsenic in a Managed Turfgrass System Following MSMA Applications. D. J. Mahoney*, M. Jeffries, M. Polizzotto, T. Gannon; North Carolina State University, Raleigh, NC (147)

 

11:30   WSSA Lesson Modules for Herbicide Resistance Management in Turfgrass. R. G. Leon*1, D. Shaw2, J. Brosnan3, S. McElroy4, S. Askew5; 1University of Florida, Jay, FL, 2Mississippi State University, Starkville, MS, 3University of Tennessee, Knoxville, TN, 4Auburn University, Auburn, AL, 5Virginia Tech, Blacksburg, VA (148)




TUESDAY  MORNING    FEBRUARY 4

Section 6. Regulatory Aspects

LOCATION:   Plaza C
TIME:   10:00 AM - 11:15 AM
CHAIR:   Alan Tasker
    USDA, APHIS, Plant Protection & Quarantine
    Riverdale, MD

 

*SPEAKER

 

10:00   The Evolution (or Revolution?) of Weed Regulations in Canada. C. Lindgren*; Canadian Food Inspection Agency, Winnipeg, MB (149)

 

10:15   APHIS Regulatory Decision-Making Process: How will it Fit with the Recent EPA Rule on Invasive Biofuel Crops. A. V. Tasker*1, J. M. Jones2; 1USDA, APHIS, Plant Protection & Quarantine, Riverdale, MD, 2APHIS PPQ, Frederick, MD (150)

 

10:30   Value Assessment of Pesticides at the Pest Management Regulatory Agency. M. Downs*; Pest Management Regulatory Agency, Ottawa, ON (151)

 

10:45   The Value Assessment Toolkit: Guidance for Registrants and Applicants. M. Downs*; Pest Management Regulatory Agency, Ottawa, ON (152)

 

11:00   Business Meeting




TUESDAY  MORNING    FEBRUARY 4

Section 9. Weed Biology and Ecology

LOCATION:   Regency E
TIME:   10:00 AM - 12:00 PM
CHAIR:   Greta Gramig
    North Dakota State University
    Fargo, ND
MODERATOR:   Greta Gramig
    North Dakota State University
    Fargo, ND

 

*SPEAKER

 

10:00   Can Overproduction of EPSPS Enhance Fitness in Certain Glyphosate-Resistant Weeds?: Avenues for Research. A. A. Snow*, M. M. Loux, B. A. Ackley, D. Mackey, Z. T. Beres; The Ohio State University, Columbus, OH (153)

 

10:15   The Influence of Experimental Methods on R:S Ratio in Herbicide Resistance Studies. C. W. Coburn*, A. Kniss; University of Wyoming, Laramie, WY (154)

 

10:30   Absorption and Translocation of 14C-glyphosate in a Silvery Threadmoss Colony. A. R. Post*1, S. Askew2; 1Oklahoma State University, Stillwater, OK, 2Virginia Tech, Blacksburg, VA (155)

 

10:45   Evolutionary Dynamics of Glyphosate Resistant and Sensitive Populations in the Southeastern US. A. L. Lawton-Rauh1, K. E. Beard1, J. D. Burton*2, R. L. Nichols3, K. Lay1, D. Jordan2, A. C. York2; 1Clemson University, Clemson, SC, 2North Carolina State University, Raleigh, NC, 3Cotton Incorporated, Cary, NC (156)

 

11:00   Reproductive Fitness of Glyphosate-resistant and Susceptible Giant Ragweed (Ambrosia trifida) Biotypes¬†under Varying Climate Change Scenarios. J. Thompson1, H. Henry1, R. E. Nurse*2; 1University of Western Ontario, London, ON, 2Agriculture and Agri-Food Canada, Harrow, ON (157)

 

11:15   Transcriptome Analysis of Glyphosate Resistance in Giant Ragweed (Ambrosia trifida). K. Padmanabhan*, N. B. Best, S. C. Weller, B. Schulz; Purdue University, West Lafayette, IN (158)

 

11:30   Survey of Glyphosate Resistant Kochia in Western Canada. H. J. Beckie1, L. M. Hall*2, R. H. Low2, R. E. Blackshaw3, N. Kimmel4, S. Shirriff1; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2University of Alberta, Edmonton, AB, 3Agriculture and Agri-Food Canada, Lethbridge, AB, 4Alberta Agriculture and Renewable Resources, Edmonton, AB (159)

 

11:45   Population Structure of ALS-resistant Weedy Rice. N. R. Burgos*1, T. Tseng2, N. Young3, V. Singh1, H. Black4, D. Gealy4, A. Caicedo3; 1University of Arkansas, Fayetteville, AR, 2Purdue University, West Lafayette, IN, 3University of Massachusetts, Amherst, MA, 4USDA-ARS DBNRRC, Stuttgart, AR (160)




TUESDAY  MORNING    FEBRUARY 4

Section 11. Physiology

LOCATION:   Georgia A
TIME:   10:00 AM - 12:00 PM
CHAIR:   Todd Gaines
    Colorado State University
    Fort Collins, CO
MODERATOR:   Todd Gaines
    Colorado State University
    Fort Collins, CO

 

*SPEAKER

 

10:00   Detoxification of 2,4-D in Resistant Wild Radish (Raphanus raphanistrum). D. Goggin, S. Powles*; University of Western Australia, Crawley, Australia (161)

 

10:15   Sequence Analysis of Safener-Regulated Transcriptomes from Grain Sorghum Coleoptiles. D. E. Riechers*, A. V. Lygin; University of Illinois, Urbana, IL (162)

 

10:30   Elevated Constitutive and Inducible Expression of a Cytochrome P450 mRNA in Multiple Herbicide Resistant Wild Oat (Avena fatua). W. E. Dyer*, B. Keith, E. Burns, E. Lehnhoff, F. Menalled; Montana State University, Bozeman, MT (163)

 

10:45   Metabolism-based Herbicide Resistance in Lolium rigidum: Using RNA-Seq Transcriptome Analysis to Identify Resistance-endowing Genes. T. A. Gaines*1, L. Lorentz2, A. Figge2, J. Herrmann3, F. Maiwald4, M. Ott4, H. Han5, R. Busi5, Q. Yu5, S. Powles5, R. Beffa2; 1Colorado State University, Fort Collins, CO, 2Bayer CropScience, Frankfurt am Main, Germany, 3University of Braunschweig, Braunschweig, Germany, 4Bayer CropScience, Monheim, Germany, 5University of Western Australia, Crawley, Australia (164)

 

11:00   Visualizing Herbicide Resistance from a Metabolomics Perspective. A. Maroli, N. Tharayil*; Clemson University, Clemson, SC (165)

 

11:15   Mechanism of Propanil Resistance in Cyperus difformis. R. M. Pedroso*, A. J. Fischer; University of California, Davis, CA (166)

 

11:30   Molecular Aspects of EPSPS Gene Amplification in Palmer Amaranth. T. Ulmasov*1, D. Sammons1, L. Fan1, Z. Du1, D. A. Giacomini2, N. Tao1, R. A. Kerstetter1, M. Dimmic1; 1Monsanto, St. Louis, MO, 2Colorado State University, Fort Collins, CO (167)

 

11:45   Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 4

Graduate Student Luncheon

LOCATION:   Balmoral
TIME:   12:00 PM - 1:00 PM
CHAIR:   Alexandra Knight
    North Carolina State University
    Raleigh, NC
MODERATOR:   Alexandra Knight
    North Carolina State University
    Raleigh, NC

 





TUESDAY  AFTERNOON    FEBRUARY 4

Turf Wars and the Emergence of Pesticide Bans in Canada and the US

LOCATION:   Regency D
TIME:   1:00 PM - 5:00 PM
CHAIR:   Jenny Kao-Kniffin
    Cornell University
    Ithaca, NY
MODERATOR:   Jenny Kao-Kniffin
    Cornell University
    Ithaca, NY

 

*SPEAKER

 

1:00   Introduction

 

1:10   The Social Politics of Law(n)s in Canada: Understanding Municipal Pesticide Policy Change and Residents‚Äô Preferred Pesticide Management Approaches. R. Hirsch*1, J. Baxter2, C. Brown3; 1Brock University, St. Catharines, ON, 2University of Western Ontario, London, ON, 3Health Canada, Ottawa, ON (168)

 

1:40   An Overview of the Cosmetic Pesticide Ban in Ontario, Adoption of Herbicide Alternatives and Current Weed Control Problems without Solutions. P. M. Charbonneau*; Ontario Ministry of Agriculture and Food, Guelph, ON (169)

 

2:05   Exploring Alternative Weed Management in Turfgrass Systems in Ontario. C. Siva, F. J. Tardif, E. M. Lyons, K. S. Jordan*; University of Guelph, Guelph, ON (170)

 

2:30   The Challenges of Turf Weed Management Under the New York Child Safe Playing Field Law. A. F. Senesac*1, J. T. Kao-Kniffin2; 1Cornell Cooperative Extension, Riverhead, NY, 2Cornell University, Ithaca, NY (171)

 

2:50   Organic Weed Control Options in Turfgrass†. A. R. Kowalewski*; Oregon State University, Corvallis, OR (172)

 

3:10   Break

 

3:25   History and Progress Toward Developing Biological Control Strategies for Turfgrass Systems. J. Neal*; North Carolina State University, Raleigh, NC (173)

 

3:45   Preventing Weeds with More Competitive Turfgrass Choices. R. N. Brown*; University of Rhode Island, Kingston, RI (174)

 

4:05   Panel and Presenters Discussion




TUESDAY  AFTERNOON    FEBRUARY 4

CWSS Graduate Student Oral Presentation Contest

LOCATION:   Plaza B
TIME:   1:00 PM - 4:15 PM
CHAIR:   Mahesh Upadhyaya
    University of British Columbia
    Vancouver, BC
MODERATOR:   Mahesh Upadhyaya
    University of British Columbia
    Vancouver, BC

 

*SPEAKER

 

1:00   Does Kin Recognition Exist in Annual Weeds? M. E. Lawless*, C. Willenborg, S. Shirtliffe, E. G. Lamb, B. Coulman; University of Saskatchewan, Saskatoon, SK (175)

 

1:15   Phenological Study and Management of Red Fescue (Festuca rubra) in Wild Blueberry. S. K. Sikoriya*; Dalhousie Agricultural Campus, Truro, NS (176)

 

1:45   Integrated Management of Volunteer Canola for Soybean Production. C. M. Geddes*, R. H. Gulden; University of Manitoba, Winnipeg, MB (178)

 

2:00   Flax Performance in an Organic Rotational No-till System Compared to Two Organic Cropping Systems with Tillage in Southern Manitoba. C. Halde*1, R. Gulden1, A. M. Hammermeister2, K. H. Ominski1, M. Tenuta1, M. Entz1; 1University of Manitoba, Winnipeg, MB, 2Dalhousie University, Truro, NS (179)

 

2:15   Evaluation of Potential Harvest Aids and Application Timing for Lentil Dry Down. T. Zhang*1, C. Willenborg1, E. N. Johnson2, S. Banniza1; 1University of Saskatchewan, Saskatoon, SK, 2Agriculture and Agri-Food Canada, Scott, SK (180)

 

2:30   Effect of Herbicide Carryover in Cover Crop Capacity to Affect Soil Structure and Nutrient Availability. M. Rojas*1, D. Robinson2, L. L. Van Eerd2, I. O'Halloran2; 1University of Guelph- Ridgetown Campus, Ridgetown, ON, 2University of Guelph, Ridgetown, ON (181)

 

2:45   Effect of Imazethapyr, Mesotrione and Saflufenacil Residues on Four Spring-seeded Cover Crops. L. Yu*, P. H. Sikkema, D. Robinson; University of Guelph, Ridgetown, ON (182)

 

3:00   Control of Glyphosate Resistant Canada Fleabane (Conyza canadensis) with Glyphosate DMA/2,4-D choline (Enlist Duo) in Corn (Zea mays). L. R. Ford*1, N. Soltani1, D. Robinson1, A. McFadden2, R. E. Nurse3, P. H. Sikkema1; 1University of Guelph, Ridgetown, ON, 2Dow AgroSciences Canada Inc, Guelph, ON, 3Agriculture and Agri-Food Canada, Harrow, ON (183)

 

3:15   Break

 

3:30   The Use of Herbicides in the Prevention and Control of Glyphosate-resistant Kochia on the Canadian Prairies. R. H. Low*, L. Hall; University of Alberta, Edmonton, AB (184)

 

3:45   Can Tillage and Agronomy be Integrated with Herbicide Application to Control Resistant Weeds? C. N. Redlick*, S. Shirtliffe, C. Willenborg; University of Saskatchewan, Saskatoon, SK (185)

 

4:00   Control of Cleavers and Wild Oat by Pyroxasulfone and Sulfentrazone in Field Pea is Affected by Edaphic Factors. B. Laturnus Tidemann*; University of Alberta, Edmonton, AB (186)




TUESDAY  AFTERNOON    FEBRUARY 4

NIFA Supported Research on Controlling Weedy and Invasive Plants

LOCATION:   Plaza A
TIME:   1:00 PM - 2:45 PM
CHAIR:   Ian Burke
    Washington State University
    Pullman, WA
MODERATOR:   Michael Bowers
    National Institute of Food and Agriculture
    Washington, DC

 

*SPEAKER

 

1:00   Activation of Biochemical Defenses by a Seed Decay Pathogen in Dormant Wild Oat Seeds and Caryopses. E. Fuerst*1, A. C. Kennedy2, P. A. Okubara2, J. V. Anderson3, R. S. Gallagher4; 1Washington State Univ., Pullman, WA, 2USDA-ARS, Pullman, WA, 3USDA-ARS, Fargo, ND, 4Presbyterian College, Clinton, SC (187)

 

1:15   Genetic Characterization of Imperata cylindrica using a Genotyping by Sequencing Approach: Identifying International Regions for Potential Biological Control Exploration and Development. P. E. Klein*1, M. Burrell1, J. A. Goolsby2, W. A. Overholt3, A. E. Racelis4; 1Texas A&M University, College Station, TX, 2USDA-ARS, Edinburg, TX, 3University of Florida, Fort Pierce, FL, 4The University of Texas-Pan American, Edinburg, TX (188)

 

1:30   The Role of Hybridization in Biological Control of Weeds. M. Szucs*, R. A. Hufbauer; Colorado State University, Fort Collins, CO (189)

 

1:45   Scotch Broom Alters Douglas-fir Community Structure and Soil Ecology: Prevention and Mitigation through Alternative Management Practices. T. B. Harrington*1, R. A. Slesak2, A. W. D'Amato2; 1USDA Forest Service, Olympia, WA, 2University of Minnesota, Minneapolis, MN (190)

 

2:00   Understanding the Evolution and Spread of Herbicide Resistance in Amaranthus tuberculatus. P. J. Tranel*1, C. S. Wu1, J. A. Evans2, A. S. Davis2; 1University of Illinois, Urbana, IL, 2USDA-ARS, Urbana, IL (191)

 

2:15   Defining an Effective Forest Management Strategy that Deters Invasion by Exotic Plants:† Invasive Plant Response to Five Forest Management Regimes. C. Huebner*1, G. Matlack2, R. Minocha3, D. McGill4, M. Dickinson5, G. Miller1; 1Northern Research Station, USDA Forest Service, Morgantown, WV, 2Ohio University, Athens, OH, 3Northern Research Station, USDA Forest Service, Durham, NH, 4West Virginia Universtiy, Morgantown, WV, 5Northern Research Station, USDA Forest Service, Delaware, OH (192)

 

2:30   Efficacy and Economics of Cultural and Mechanical Weed Control Practices for Herbicide-Resistant Weed Management. A. Kniss*1, P. Jha2, R. Wilson3, J. P. Ritten1; 1University of Wyoming, Laramie, WY, 2Montana State University, Huntley, MT, 3University of Nebraska, Scottsbluff, NE (193)




TUESDAY  AFTERNOON    FEBRUARY 4

Section 1. Agronomic Crops

LOCATION:   Regency F
TIME:   1:00 PM - 5:00 PM
CHAIR:   Prashant Jha
    Montana State University
    Huntley, MT
MODERATOR:   Prashant Jha
    Montana State University
    Huntley, MT

 

*SPEAKER

 

1:00   Pixxaro (Halauxifen-methyl + Fluroxypyr): a New Auxinic Herbicide for Broadleaf Weed Control in Canadian Cereal Crops. R. Degenhardt*1, D. D. Hare2, L. T. Juras3, A. W. MacRae4; 1Dow AgroSciences, Edmonton, AB, 2Dow AgroSciences Canada, Edmonton, AB, 3Dow AgroSciences Canada Inc., Saskatoon, SK, 4Dow AgroSciences Canada, Winnipeg, MB (194)

 

1:15   Paradigm (Halauxifen-methyl + Florasulam) Herbicide for Multi-Mode of Action Broadleaf Weed Control in Western Canadian Cereal Crops. L. T. Juras*1, R. Degenhardt2, D. D. Hare3, A. W. MacRae4; 1Dow AgroSciences Canada Inc., Saskatoon, SK, 2Dow AgroSciences, Edmonton, AB, 3Dow AgroSciences Canada, Edmonton, AB, 4Dow AgroSciences Canada, Winnipeg, MB (195)

 

1:30   Pyroxasulfone for Managing Bromus, Avena, and Galium spp. in Winter Wheat. E. N. Johnson*1, K. N. Harker2, B. L. Beres3, R. M. Mohr4, W. M. Hamman5, K. Coles6, M. Gretzinger6; 1Agriculture and Agri-Food Canada, Scott, SK, 2Agriculture and Agri-Food Canada, Lacombe, AB, 3Agriculture and Agri-Food Canada, Lethbridge, AB, 4Agriculture and Agri-Food Canada, Brandon, MB, 5Hamman Ag Research, Lethbridge, AB, 6Farming Smarter, Lethbridge, AB (196)

 

1:45   Assessing Efficacy of Herbicide Mixtures and Adjuvants with Logarithmic Sprayers. J. Duus, J. C. Streibig*; University of Copenhagen, Taastrup, Denmark (197)

 

2:00   ProvisiaTM: A New Vision in Red Rice Control. J. Harden1, D. Carlson*2, L. Mankin1, B. Luzzi2, J. Stevenson-Paulik2, J. B. Guice1, C. Youmans1, H. Hong2, H. Castro2, R. Sandhu1, C. Hofelt1, A. McKean2, M. Scott2, D. More1; 1BASF Corporation, Research Triangle Park, NC, 2BASF Plant Science, Research Triangle Park, NC, 3Mississippi State University, Mississippi State, MS (198)

 

2:15   Bicyclopyrone, a New Herbicide for Improved Weed Control in Corn. R. D. Lins*1, T. H. Beckett2, S. E. Cully3, J. P. Foresman2, G. D. Vail2; 1Syngenta Crop Protection, Byron, MN, 2Syngenta Crop Protection, Greensboro, NC, 3Syngenta Crop Protection, Marion, IL (199)

 

2:30   Stewardship of DuPont Inzen Herbicide Tolerance Trait for Sorghum. D. Saunders*, W. J. Schumacher; DuPont Crop Protection, Johnston, IA (200)

 

2:45   Enhanced Weed Management Solutions with MGI Herbicide-Tolerant Soybeans. R. Jain*1, D. E. Bruns2, J. C. Holloway2, T. H. Beckett2, B. L. Wilkinson2, B. Erdahl2; 1Syngenta Crop Protection, Vero Beach, FL, 2Syngenta Crop Protection, Greensboro, NC (201)

 

3:00   Two Pass Weed Control Programs in Soybean. P. H. Sikkema*, N. Soltani; University of Guelph, Ridgetown, ON (202)

 

3:15   Break

 

3:30   Glufosinate Rate and Application Timing for Control of Johnsongrass (Sorghum halepense) in Glufosinate-resistant Soybean (Glycine max). R. L. Landry*, D. O. Stephenson, IV, B. C. Woolam; Louisiana State University AgCenter, Alexandria, LA (203)

 

3:45   Weed Control and Crop Response with Sequential Application of Encapsulated Acetochlor in Soybean. A. J. Jhala*1, M. S. Malik2; 1University of Nebraska, Lincoln, NE, 2Monsanto, Lincoln, NE (204)

 

4:00   Metribuzin Weed Control in the Roundup Ready Soybean System. A. Perez-Jones*1, J. J. Gilsinger2, B. J. La Vallee1, P. C. Feng1; 1Monsanto, Saint Louis, MO, 2Monsanto, Mount Olive, NC (205)

 

4:15   Effect of Pyroxasulfone Application Rate and Timing on Soybean (Glycine max) Growth and Yield. D. O. Stephenson, IV*1, J. L. Griffin2, B. C. Woolam1, R. L. Landry1, M. Hardwick2; 1Louisiana State University AgCenter, Alexandria, LA, 2LSU AgCenter, Baton Rouge, LA (206)

 

4:30   Efficacy and Persistence of Imazethapyr Applied Alone and as Tank Mix in Clusterbean. S. Singh*, S. S. Punia; CCS Haryana Agricultural University, Hisar, India (207)

 

4:45   Cotton Tolerance and Weed Control by Acetochlor/S-Metolachlor and Pyrithiobac Tank Mixes. C. W. Cahoon*, A. C. York, D. Jordan, W. J. Everman; North Carolina State University, Raleigh, NC (208)




TUESDAY  AFTERNOON    FEBRUARY 4

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

LOCATION:   Plaza C
TIME:   1:00 PM - 3:30 PM
CHAIR:   Andrew Ezell
    Mississippi State University
    Starkville, MS
MODERATOR:   Andrew Ezell
    Mississippi State University
    Starkville, MS

 

*SPEAKER

 

1:00   Controlling Natural Pines with Mixtures of Aminocyclopyrachlor and Fosamine. A. W. Ezell*1, J. L. Yeiser2; 1Mississippi State University, Mississippi State, MS, 2University of Arkansas, Monticello, AR (209)

 

1:15   ClearView Brush Herbicide (Aminopyralid+Metsulfuron-methyl+Triclopyr BEE) for Foliar Application Control of Black Spruce (Picea mariana)(PIEMA) on Rights-of-Way, Industrial Areas, and Non-Crop Areas. D. D. Hare*1, R. Degenhardt2, L. T. Juras3, A. W. MacRae4; 1Dow AgroSciences Canada, Edmonton, AB, 2Dow AgroSciences, Edmonton, AB, 3Dow AgroSciences Canada Inc., Saskatoon, SK, 4Dow AgroSciences Canada, Winnipeg, MB (210)

 

1:30   MAT28 Blends with Krenite for Brownout of Oak and Elm in SE Oklahoma. J. L. Yeiser*1, A. W. Ezell2, J. Grogan3; 1University of Arkansas, Monticello, AR, 2Mississippi State University, Mississippi State, MS, 3Stephen F Austin State University, Nacogdoches, TX (211)

 

1:45   Control of Hardwoods Two Years After Directed Spray  Application of Treatments containing  MAT-28, Metsulfuron, and Imazapyr. A. W. Ezell*1, J. L. Yeiser2; 1Mississippi State University, Mississippi State, MS, 2University of Arkansas, Monticello, AR (212)

 

2:00   Control of Oak and Yaupon with Individual Plant Treatments of MAT28 Mixtures. J. L. Yeiser*1, A. W. Ezell2, J. Grogan3; 1University of Arkansas, Monticello, AR, 2Mississippi State University, Mississippi State, MS, 3Stephen F Austin State University, Nacogdoches, TX (213)

 

2:15   Chinese Tallowtree Ecology and Control in Pastures. S. F. Enloe*; Auburn University, Auburn, AL (214)

 

2:30   Controlling Trumpet Creeper, Greenbriar, and Honeysuckle on Fences with MAT28 in Texas. J. L. Yeiser*1, A. W. Ezell2, J. Grogan3; 1University of Arkansas, Monticello, AR, 2Mississippi State University, Mississippi State, MS, 3Stephen F Austin State University, Nacogdoches, TX (215)

 

2:45   Behavior of 2,4-D in Sensitive and Tolerant Red Clover (Trifolium pratense) Lines. T. L. Burke*, J. Roberts, N. Taylor, M. Barrett; University of Kentucky, Lexington, KY (216)

 

3:15   Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 4

Section 9. Weed Biology and Ecology

LOCATION:   Regency E
TIME:   1:00 PM - 5:00 PM
CHAIR:   Greta Gramig
    North Dakota State University
    Fargo, ND
MODERATOR:   Greta Gramig
    North Dakota State University
    Fargo, ND

 

*SPEAKER

 

1:00   What's a Weed Worth?: Integrating Full Costs and Benefits into Control Decision-making for Common Milkweed (Asclepias syriaca). A. DiTommaso*, J. E. Losey; Cornell University, Ithaca, NY (218)

 

1:15   InvDER: A Landscape Scale Spatial Model to Estimate Invasion Risk. J. N. Barney*, E. S. Dollete, D. R. Tekiela, M. Ho; Virginia Tech, Blacksburg, VA (219)

 

1:30   PAM: A Decision Support Tool for Guiding Integrated Management of†Palmer Amaranth. M. V. Bagavathiannan*1, J. K. Norsworthy1, M. Lacoste2, S. Powles3; 1University of Arkansas, Fayetteville, AR, 2University of Western Australia, Perth, Australia, 3University of Western Australia, Crawley, Australia (220)

 

1:45   Selecting Optimum Predictive Models for Weed Emergence Using AIC Associated with Penalty Costs. R. Werle*, L. Sandell, J. L. Lindquist; University of Nebraska, Lincoln, NE (221)

 

2:00   The Effects of Sheep Grazing for Cover Crop Termination on Plant Community Structure, Weed Pressure and Crop Yields: Evaluating an Ecological-based Management Strategy for Agroecosystems. S. C. McKenzie*, H. B. Goosey, K. M. O'Neill, F. Menalled; Montana State University, Bozeman, MT (222)

 

2:15   Long-term Effects of Strip Tillage and Cover Crops on Weed Seedbank Dynamics and Profitability in Vegetables. D. C. Brainard*1, E. Haramoto2, D. C. Noyes1; 1Michigan State University, East Lansing, MI, 2Michigan State University, Lansing, MI (223)

 

2:30   Estimating Impacts of Grassy Weed Species on Risk of Cereal Viruses. Z. Miller*, F. Menalled, M. Burrows, N. Ranabhat, D. Delaney-Falcon; Montana State University, Bozeman, MT (224)

 

2:45   Can Fungal Pathogens, Nitrogen, and Moisture Explain Suppression of Weed Emergence in Strip-tilled Cabbage with Cover Crops? E. Haramoto*1, D. C. Brainard2; 1Michigan State University, Lansing, MI, 2Michigan State University, East Lansing, MI (225)

 

3:00   Crop Canopy Effects on Kochia Seed Characteristics in Kansas. A. Esser*, A. Dille; Kansas State University, Manhattan, KS (226)

 

3:15   Break

 

3:30   Maternal Environment Influences Propagule Pressure of an Agricultural Weed, Raphanus raphanistrum (Brassicaceae). R. J. Parker1, G. Blakelock2, L. G. Campbell*1; 1Ryerson University, Toronto, ON, 2Trent University, Peterborough, ON (227)

 

3:45   Germination and Growth of Three Weed Species in Response to the Addition of Vinasse and Biochar to the Soil. N. Soni1, R. G. Leon*1, J. E. Erickson2, J. A. Ferrell2, M. L. Silveira3; 1University of Florida, Jay, FL, 2University of Florida, Gainesville, FL, 3University of Florida, Ona, FL (228)

 

4:00   Kochia Seedbank Dynamics in Central Great Plains of US. A. Dille*1, P. Stahlman2, P. Geier2, R. Currie3, R. Wilson4, G. Sbatella5, A. Kniss6, P. Westra7; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS, 3Kansas State University, Garden City, KS, 4University of Nebraska, Scottsbluff, NE, 5Oregon State University, Madras, OR, 6University of Wyoming, Laramie, WY, 7Colorado State University, Fort Collins, CO (229)

 

4:15   A Stable Isotope Method for Measuring Weed Seedbank Longevity in situ. A. Kniss*1, D. Odero2, D. A. Claypool1; 1University of Wyoming, Laramie, WY, 2University of Florida, Belle Glade, FL (230)

 

4:30   Germination Ecology of Catchfly (Silene conoidea) Seeds of Different Colors. M. M. Javaid*1, A. Tanveer2; 1University of Sargodha, Sargodha, Pakistan, 2University of Agriculture, Faisalabad, Pakistan (231)

 

4:45   Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 4

Section 13. Integrated Weed Management

LOCATION:   Georgia B
TIME:   1:00 PM - 5:00 PM
CHAIR:   Chris Benedict
    Washington State University
    Bellingham, WA
MODERATOR:   Chris Benedict
    Washington State University
    Bellingham, WA

 

*SPEAKER

 

1:00   State of Integrated Weed Management and Pesticide Use in the Canadian Prairies. J. Y. Leeson, H. J. Beckie*; Agriculture and Agri-Food Canada, Saskatoon, SK (232)

 

1:15   Integrated Weed Management in Dry-seeded Rice Systems in Asia. B. S. Chauhan*; IRRI, Los Banos, Philippines (233)

 

1:30   Is There a Future for Predicting the Competitive Ability of Cultivars? A Case Study of Wheat in the UK. I. K. Andrew*; Rothamsted Research, Harpenden, England (234)

 

1:45   The Significance of Harvest Weed Seed Control in Herbicide Resistance Management. M. J. Walsh*1, S. Powles2; 1University of Western Australia, Perth, Australia, 2University of Western Australia, Crawley, Australia (235)

 

2:00   Double Knock: Sequential Applications for Seed Set Control of Hard-to-Control and Glyphosate Resistant Weeds of Sub-tropical Australia. M. J. Widderick*1, S. R. Walker2; 1Department of Agriculture, Fisheries and Forestry Queensland (DAFFQ), Toowoomba, Australia, 2The University of Queensland, Toowoomba, Australia (236)

 

2:15   Delaying Herbicide Resistance with Integrated Wild Oat (Avena fatua) Management. K. N. Harker*1, J. T. O'Donovan1, T. K. Turkington1, V. Baron1, R. E. Blackshaw2, L. Hall3, E. N. Johnson4, C. Willenborg5, S. Shirtliffe5, R. Gulden6, J. Kobler7, D. Pageau8; 1Agriculture and Agri-Food Canada, Lacombe, AB, 2Agriculture and Agri-Food Canada, Lethbridge, AB, 3University of Alberta, Edmonton, AB, 4Agriculture and Agri-Food Canada, Scott, SK, 5University of Saskatchewan, Saskatoon, SK, 6University of Manitoba, Winnipeg, MB, 7University of Guelph, New Liskeard, ON, 8Agriculture and Agri-Food Canada, Normandin, QC (237)

 

2:30   Recurrent Applications of 2,4-D Amine Lead to the Rapid Evolution of 2,4-D and ALS Cross Resistance in a Susceptible Wild Radish (Raphanus raphanistrum) Population. M. B. Ashworth*1, M. J. Walsh1, K. C. Flower2, S. Powles2; 1University of Western Australia, Perth, Australia, 2University of Western Australia, Crawley, Australia (238)

 

2:45   Pyroxasulfone Efficacy Against Phalaris minor in Wheat in India. S. Singh*; CCS Haryana Agricultural University, Hisar, India (239)

 

3:00   Oxyfluorfen for Fallow Bed Weed Control in Row Crops in the Mid-South USA 2010 to 2013. L. C. Walton*1, A. T. Ellis2, B. B. Haygood3, R. B. Lassiter4, V. B. Langston5, R. K. Mann6; 1Dow AgroSciences, Tupelo, MS, 2Dow AgroSciences, Arlington, TN, 3Dow AgroSciences, Collerville, TN, 4Dow AgroSciences, Cary, NC, 5Dow AgroSciences, THE Woodlands, TX, 6Dow AgroSciences, Indianapolis, IN (240)

 

3:15   Break

 

3:30   Weed Control in Tomato (Lycopersicon esculentum) Through Mulching and Herbicides. T. Bakht*; The University of Agriculture, Peshawar, Pakistan (241)

 

3:45   Recurrent Bi-directional Selection on Flowering Date Highlights the Genetic Diversity of Wild Radish (Raphanus raphanistrum) Populations. M. B. Ashworth1, M. J. Walsh1, K. C. Flower2, S. Powles*2; 1University of Western Australia, Perth, Australia, 2University of Western Australia, Crawley, Australia (242)

 

4:00   Integrated Palmer Amaranth Management in Glufosinate-Resistant Cotton. A. J. Price*1, J. Aulakh2, S. Enloe2; 1USDA-ARS, Auburn, AL, 2Auburn University, Auburn, AL (243)

 

4:15   Controlling Downy Brome (Bromus tectorum) on Rangeland with Prescribed Burning and Herbicides. K. C. Kessler*1, S. J. Nissen2, G. K. Beck2, J. Sebastian2; 1Colorado State University, Ft. Collins, CO, 2Colorado State University, Fort Collins, CO (244)

 

4:30   Combining Cultural Practices with Herbicides Reduces Wild Oat Seed in the Soil Seed Bank and Improves Barley Yield. J. T. O'Donovan*1, K. N. Harker1, T. K. Turkington1, G. W. Clayton2; 1Agriculture and Agri-Food Canada, Lacombe, AB, 2Agriculture and Agri-Food Canada, Lethbridge, AB (245)

 

4:45   Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 4

WSSA Business Meeting

LOCATION:   Georgia A
TIME:   5:00 PM - 6:00 PM
CHAIR:   James Kells
    Michigan State University
    East Lansing, MI
MODERATOR:   James Kells
    Michigan State University
    East Lansing, MI

 





WEDNESDAY  MORNING    FEBRUARY 5

Graduate Student Professional Development Workshop

LOCATION:   Regency D
TIME:   10:00 AM - 12:00 PM
CHAIR:   Alexandra Knight
    North Carolina State University
    Raleigh, NC
MODERATOR:   Alexandra Knight
    North Carolina State University
    Raleigh, NC

 





WEDNESDAY  MORNING    FEBRUARY 5

PMRA, CFIA Regulatory Issues and Provincial Weed Reports

LOCATION:   Regency E
TIME:   10:00 AM - 12:00 PM
CHAIR:   Mike Cowbrough
    Ontario Ministry of Agriculture Food and Rural Affairs
    Guelph, ON
MODERATOR:   Mike Cowbrough
    Ontario Ministry of Agriculture Food and Rural Affairs
    Guelph, ON

 





WEDNESDAY  MORNING    FEBRUARY 5

Section 1. Agronomic Crops

LOCATION:   Regency F
TIME:   10:00 AM - 12:00 PM
CHAIR:   Prashant Jha
    Montana State University
    Huntley, MT
MODERATOR:   Prashant Jha
    Montana State University
    Huntley, MT

 

*SPEAKER

 

10:00   Energy Beet: An Undiscovered Crop for the Southeast US. T. M. Webster*1, T. L. Grey2, B. Scully1, T. B. Brenneman2, R. F. Davis1, B. Dutta2, W. C. Johnson III1; 1USDA-ARS, Tifton, GA, 2University of Georgia, Tifton, GA (246)

 

10:15   Wheat: Roundup Ready or Not. C. Mallory-Smith*1, D. Horneck2; 1Oregon State University, Corvallis, OR, 2Oregon State University, Hermiston, OR (247)

 

10:30   TruFlex Roundup Ready Canola. T. Herzog*; Monsanto Canada Inc., Yorkton, SK (248)

 

10:45   Characteristics of Herbicide-Resistant Weeds. I. M. Heap*; WeedSmart, Corvallis, OR (249)

 

11:00   Harvest Weed Seed Control: Testing Australian Seedbank Management Tactics in USA Soybean. J. K. Norsworthy*1, M. J. Walsh2, M. V. Bagavathiannan1, K. W. Bradley3, L. Steckel4, G. Kruger5, M. M. Loux6, T. Eubank7, V. Davis8, W. Johnson9, B. Young10, S. Powles11; 1University of Arkansas, Fayetteville, AR, 2University of Western Australia, Perth, Australia, 3University of Missouri, Columbia, MO, 4University of Tennessee, Jackson, TN, 5University of Nebraska, North Platte, NE, 6The Ohio State University, Columbus, OH, 7Mississippi State University, Stoneville, MS, 8University of Wisconsin, Madison, WI, 9Purdue University, West Layafette, IN, 10University of Southern Illinois, Carbondale, IL, 11University of Western Australia, Crawley, Australia (250)

 

11:15   Update on Herbicide Resistance in Kochia in the Central Great Plains. P. W. Stahlman*1, A. S. Godar2; 1Kansas State University, Hays, KS, 2Kansas State University, Manhattan, KS (251)

 

11:30   Evolution of ACC-Inhibitor Resistance in Wild Oat (Avena fatua) in†a Long-term Alternative Cropping Systems Study. H. J. Beckie*1, E. N. Johnson2; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2Agriculture and Agri-Food Canada, Scott, SK (252)

 

11:45   Business Meeting




WEDNESDAY  MORNING    FEBRUARY 5

Section 3. Turf and Ornamental Crops

LOCATION:   Georgia B
TIME:   10:00 AM - 11:30 AM
CHAIR:   Ramon Leon
    University of Florida
    Jay, FL
MODERATOR:   Ramon Leon
    University of Florida
    Jay, FL

 

*SPEAKER

 

10:00   Flurprimidol Uptake and Metabolism of Six Grass Species. A. P. Williams*, M. Barrett, D. W. Williams; University of Kentucky, Lexington, KY (253)

 

10:15   Response of 110 Kentucky Bluegrass Varieties to Methiozolin. S. S. Rana*1, S. Askew2, K. A. Venner2, A. N. Smith2; 1Virginia Polytechnic Institute and State University, Blacksburg, VA, 2Virginia Tech, Blacksburg, VA (254)

 

10:30   Investigating the Role of Tyrosine Aminotranferase Inhibition on Poa annua Response to Methiozolin. K. A. Venner*1, E. Collakova1, S. Koo2, S. Askew1; 1Virginia Tech, Blacksburg, VA, 2Moghu Research Center, Daejeon, South Korea (255)

 

10:45   Remediation of Indaziflam-treated Turf Areas Prior to Overseeding Perennial Ryegrass. T. Gannon*1, J. Brosnan2, M. Jeffries1; 1North Carolina State University, Raleigh, NC, 2University of Tennessee, Knoxville, TN (256)

 

11:00   Sod Harvesting Intervals of Four Warm-Season Grasses for Halosulfuron and Sulfentrazone. C. Johnston*, P. McCullough; University of Georgia, Griffin, GA (257)

 

11:15   Business Meeting




WEDNESDAY  MORNING    FEBRUARY 5

Section 8. Formulation, Adjuvant and Application Technology

LOCATION:   Plaza A
TIME:   10:00 AM - 12:00 PM
CHAIR:   Gregory Dahl
    Winfield Solutions LLC
    St. Paul, MN
MODERATOR:   Gregory Dahl
    Winfield Solutions LLC
    St. Paul, MN

 

*SPEAKER

 

10:00   Testing of a Novel 2,4-D Formulation with Glyphosate and Adjuvants for Drift Reduction Technology. G. K. Dahl*1, L. C. Magidow2, J. V. Gednalske3, L. J. Hennemann4, A. C. Clark4, W. Stepanie5; 1Winfield Solutions LLC, St. Paul, MN, 2Winfield Solutions, River Falls, WI, 3Winfield Solutions LLC, River Falls, WI, 4Winfield Solutions, LLC, River Falls, WI, 5Winfield Solutions, LLC, St. Paul, MN (258)

 

10:15   Use of Computer Vision in Precision Farming. A. Rana*, J. Derr; Virginia Tech, Virginia Beach, VA (259)

 

10:30   Variability in Categorization of Spray Nozzles Classified According to Droplet Distribution. S. Wedryk*1, L. C. Magidow2, G. K. Dahl3, E. Spandl4, J. V. Gednalske5; 1Winfield Solutions LLC, Shoreview, MN, 2Winfield Solutions, River Falls, WI, 3Winfield Solutions LLC, St. Paul, MN, 4Winfield Solutions, LLC, Saint Paul, MN, 5Winfield Solutions LLC, River Falls, WI (260)

 

10:45   Dicamba Formulation Advancements. J. Sandbrink, J. Travers, A. Macinnes*, J. Hemminghaus; Monsanto, St. Louis, MO (261)

 

11:00   Dicamba Drift as Affected by Best Management Practices with Engenia. D. B. Reynolds*1, J. Cobb1, J. B. Guice2, W. E. Thomas2; 1Mississippi State University, Mississippi State, MS, 2BASF Corporation, Research Triangle Park, NC (262)

 

11:15   Vesicle Forming Surfactants as Novel Spray Drift Control Agents in Hebricide Applications. S. Sun*, L. Dempsey, Q. He; AkzoNobel Surface Chemistry, Brewster, NY (263)

 

11:30   Modified Cellulose Ethers as Drift Reduction Technology. L. Dempsey*, S. Sun, Q. He; AkzoNobel Surface Chemistry, Brewster, NY (264)

 

11:45   Business Meeting




WEDNESDAY  MORNING    FEBRUARY 5

Section 10. Biocontrol of Weeds

LOCATION:   Plaza B
TIME:   10:00 AM - 11:15 AM
CHAIR:   Joseph Neal
    North Carolina State University
    Raleigh, NC

 

*SPEAKER

 

10:00   Efficacy of Downy Brome (Bromus tectorum) Biocontrol on Target and Non-target Species. K. A. Ehlert*, Z. Miller, J. M. Mangold, F. Menalled; Montana State University, Bozeman, MT (265)

 

10:15   The Potential for Biological Control of Silvery Threadmoss with Two Fungal Pathogens. S. Askew1, A. R. Post*2, D. S. McCall1; 1Virginia Tech, Blacksburg, VA, 2Oklahoma State University, Stillwater, OK (266)

 

10:30   Effect of Burial Depth on Seed Feeding Potential of Granivorous Carabid Beetles. S. S. Kulkarni*1, C. Willenborg2, L. M. Dosdall1; 1University of Alberta, Edmonton, AB, 2University of Saskatchewan, Saskatoon, SK (267)

 

10:45   Grit Application Controls Weeds in Organic Crop Production. M. Erazo-Barradas*1, S. A. Clay1, F. Forcella2; 1South Dakota State University, Brookings, SD, 2USDA, Morris, MN (268)

 

11:00   Business Meeting




WEDNESDAY  MORNING    FEBRUARY 5

Section 12. Soil and Environmental Aspects

LOCATION:   Plaza C
TIME:   10:00 AM - 11:00 AM
CHAIR:   Kyle Keller
    BASF
    Research Triangle Park, NC
MODERATOR:   Kyle Keller
    BASF
    Research Triangle Park, NC

 

*SPEAKER

 

10:00   Evaluation of Cotton Tolerance and Yield Response to Various Rates of PRE Applied Fomesafen at Three Locations in Georgia. X. Li*1, T. L. Grey2, B. H. Blanchett2, W. K. Vencill1; 1University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (269)

 

10:30   Denitrification¬†and¬†Denitrifier Community Structure¬†in Response to Previous Crop and Weed Management Intensity. R. H. Gulden*1, M. Tenuta1, S. Mitchell2, T. J. Daniell2; 1University of Manitoba, Winnipeg, MB, 2James Hutton Institute, Dundee, Scotland (271)

 

10:45   Business Meeting




WEDNESDAY  AFTERNOON    FEBRUARY 5

CWSS Awards Luncheon

LOCATION:   Balmoral
TIME:   12:00 PM - 1:30 PM
CHAIR:   David Clements
    Trinity Western University
    Langley, BC
MODERATOR:   David Clements
    Trinity Western University
    Langley, BC

 





WEDNESDAY  AFTERNOON    FEBRUARY 5

Vulnerability of the Pacific Northwest to Plant Invasions

LOCATION:   Regency D
TIME:   1:45 PM - 5:00 PM
CHAIR:   David Clements
    Trinity Western University
    Langley, BC
MODERATOR:   David Clements
    Trinity Western University
    Langley, BC

 

*SPEAKER

 

1:45   Introduction

 

1:55   Complexity - Addressing This Invasive Plant Management Challenge in British Columbia. V. Miller*; BC Ministry of Forests, Lands and Natural Resource Operations, Nelson, BC (272)

 

2:15   Plant Invasions in Mountain Ecosystems of the Rockies. L. J. Rew*1, B. J. Naylor2, F. W. Pollnac1, T. Seipel1, K. Anderson3, C. G. Parks2; 1Montana State University, Bozeman, MT, 2USDA Forest Service, La Grande, OR, 3San Diego Zoo, San Diego, CA (273)

 

2:35   All the Pretty Plants: Horticultural¬†Introductions and Propagule Pressure in the Pacific Northwest. S. Reichard*; University of Washington, Seattle, WA (274)

 

2:55   Invasive Japanese Knotweed in the Pacific Northwest: Are they¬†all Clones? S. L. Gillies*, A. Janmaat, A. Reid, A. Sum; University of the Fraser Valley, Abbotsford, BC (275)

 

3:15   Break

 

3:30   Regional Differences in Japanese Knotweed Management Strategies across Canada. T. G. Larsen*; East Kootenay Invasive Plant Council, Kimberley, BC (276)

 

3:50   Integrated Control Strategies of Wild Chervil and other Perennial Weeds in the Pacific Northwest. T. W. Miller*; Washington State University, Mount Vernon, WA (277)

 

4:10   Aquatic Plant Invasions and Their Management in the Pacific Northwest. M. D. Sytsma*; Portland State University, Portland, OR (278)

 

4:30   Repulsing Plant Invasions by Biological Control in the Pacific Northwest – Successes, Failures and Everything Between. A. Janmaat*1, J. H. Myers2, L. Scott3; 1University of the Fraser Valley, Abbotsford, BC, 2University of British Columbia, Vancouver, BC, 3Invasive Plant Program Coordinator for the Okanagan-Similkameen Regional District, Summerland, BC (279)




WEDNESDAY  AFTERNOON    FEBRUARY 5

Bioherbicides: Current Status and the Future Prospects

LOCATION:   Plaza B
TIME:   1:00 PM - 5:00 PM
CHAIR:   Franck Dayan
    USDA-ARS
    University, MS
MODERATOR:   Stephen Duke
    USDA-ARS
    Oxford, MS

 

*SPEAKER

 

1:00   Overview of Biopesticides. S. O. Duke*; USDA-ARS, Oxford, MS (280)

 

1:15   Regulatory Update of the IR-4 Project Biopesticide and Organic Support Program. M. P. Braverman*, J. Baron, D. Kunkel, M. Arsenovic; IR-4, Rutgers University, Princeton, NJ (281)

 

1:45   Insights on Overcoming the Bioherbicide Lag. L. G. Boddy*, P. G. Marrone; Marrone Bio Innovations, Davis, CA (282)

 

2:15   Plant Essential Oils as Botanical Herbicides. M. B. Isman*; University of British Columbia, Vancouver, BC (283)

 

2:45   BioDirect(tm) and Managing Herbicide Resistant Amaranths. D. Sammons*1, D. Wang1, S. Reiser1, S. Navarro1, N. Rana2, G. Griffith1; 1Monsanto, St. Louis, MO, 2Monsanto, Chesterfield, MO (284)

 

3:15   Break

 

3:30   Why the Limited Success with Mycoherbicides? A. Watson*; McGill University, Ste-Anne-de-Bellevue, QC (285)

 

4:00   Manuka Oil: Natural HPPD Inhibitors. F. E. Dayan*, D. K. Owens; USDA-ARS, University, MS (286)

 

4:30   The Development of the Fungus-derived Herbicide, Mevalocidin. C. Pearce*; Mycosynthetix, Inc., Hillsborough, NC (287)




WEDNESDAY  AFTERNOON    FEBRUARY 5

Section 1. Agronomic Crops

LOCATION:   Regency F
TIME:   1:00 PM - 5:00 PM
CHAIR:   Prashant Jha
    Montana State University
    Huntley, MT
MODERATOR:   Prashant Jha
    Montana State University
    Huntley, MT

 

*SPEAKER

 

1:00   HPPD Inhibitor Resistance Stewardship.¬† The Perspective of the HRAC Working Group. G. D. Vail*1, W. E. Thomas2, P. Porpiglia3, W. J. Patzoldt4, R. Beffa5; 1Syngenta Crop Protection, Greensboro, NC, 2BASF Corporation, Research Triangle Park, NC, 3AMVAC Chemical Corporation, Newport Beach, CA, 4DuPont Corp, Wilmington, DE, 5Bayer CropScience, Frankfurt am Main, Germany (288)

 

1:15   Absorption, Translocation, and Metabolism of Glyphosate in Nicosulfuron and Glyphosate-resistant Sorghum halepense. A. N. Smith*, S. Askew, S. Hagood; Virginia Tech, Blacksburg, VA (289)

 

1:30   Distribution of Multiple Herbicide Resistance in Missouri Waterhemp Populations. J. Schultz*, E. B. Riley, J. D. Wait, K. W. Bradley; University of Missouri, Columbia, MO (290)

 

1:45   Soil-Residual Protoporphyrinogen Oxidase (PPO)-Inhibiting Herbicides and the Selection for PPO-Resistant Waterhemp (Amaranthus tuberculatus). R. Wuerffel*, B. Young, J. Young, J. Matthews; Southern Illinois University, Carbondale, IL (291)

 

2:00   Management of Glyphosate Resistant Common Waterhemp in Texas Cotton Cultures. J. A. McGinty*1, P. A. Baumann2, G. D. Morgan1, M. E. Matocha1, L. M. Etheredge3; 1Texas A&M AgriLife Extension, College Station, TX, 2Texas A&M University, College Station, TX, 3Monsanto, Llano, TX (292)

 

2:15   Triazine and HPPD Inhibitors-resistant Palmer Amaranth in Nebraska. A. J. Jhala*1, L. Sandell1, N. Rana2, G. Kruger3, S. Z. Knezevic4; 1University of Nebraska, Lincoln, NE, 2Monsanto, Chesterfield, MO, 3University of Nebraska, North Platte, NE, 4University of Nebraska, Concord, NE (293)

 

2:30   Assessment†of HPPD-inhibitors Applied Alone or in Combination with Atrazine for Control of Glyphosate-Resistant Palmer Amaranth (Amaranthus palmeri) in Corn. K. M. Vollmer*, H. P. Wilson, T. E. Hines; Virginia Tech, Painter, VA (294)

 

2:45   Evaluating Target-site Mutations in Nicosulfuron and Glyphosate-resistant Sorghum halepense. A. N. Smith*, G. Kim, J. H. Westwood, S. Hagood; Virginia Tech, Blacksburg, VA (295)

 

3:00   Relative Competitive Abilities of Wild vs Cultivated Switchgrass: Assessing Invasive Potential for Mitigating Biofuel Risks. D. J. Palik*1, A. A. Snow1, A. L. Stottlemyer1, M. N. Miriti1, E. A. Heaton2; 1Ohio State University, Columbus, OH, 2Iowa State University, Ames, IA (296)

 

3:15   Break

 

3:30   Why the Anthesis-silking Interval is Important in Understanding Yield Losss in Maize. C. J. Swanton*, V. H. Gonzalez, E. Lee, L. Lukens; University of Guelph, Guelph, ON (297)

 

3:45   Using Perpendicular Cultivation with a Tine-Weeder to Improve In-Row Weed Control in Organic Peanut Production. W. C. Johnson III*; USDA-ARS, Tifton, GA (298)

 

4:00   Impact of Row Spacing, Plant Population and Herbicide Program on Weed Control and Yield in Sorghum. T. E. Besancon*, W. J. Everman, R. Riar, R. Weisz; North Carolina State University, Raleigh, NC (299)

 

4:15   Movement of Nitrogen in Corn and Weeds as Impacted by Different Nitrogen Sources, Rates, and Weed Removal Height. A. M. Knight*, W. J. Everman, D. Jordan, R. Heiniger, T. J. Smyth; North Carolina State University, Raleigh, NC (300)

 

4:30   Variety, Planting Date and Herbicides Affect Fiber and Oilseed Flax Biomass and Seed Yields in the Willamette Valley of Oregon. A. G. Hulting*, K. C. Roerig, D. W. Curtis, C. A. Mallory-Smith; Oregon State University, Corvallis, OR (301)

 

4:45   Competitiveness of Volunteer Corn in Sugarbeet. A. C. Harden*, C. L. Sprague; Michigan State University, East Lansing, MI (302)




WEDNESDAY  AFTERNOON    FEBRUARY 5

Section 2. Horticultural Crops

LOCATION:   Plaza A
TIME:   1:00 PM - 4:00 PM
CHAIR:   Peter Dittmar
    University of Florida
    Gainesville, FL
MODERATOR:   Peter Dittmar
    University of Florida
    Gainesville, FL

 

*SPEAKER

 

1:00   Evaluation of Pendimethalin in Transplanted Lettuce. S. A. Fennimore*, J. S. Rachuy; University of California Davis, Salinas, CA (303)

 

1:15   Sweet Corn CYP Genotype Responses to HPPD- and PSII-inhibitor Tankmixes. E. Choe1, M. M. Williams II*1, R. A. Boydston2, J. K. Pataky3; 1USDA-ARS, Urbana, IL, 2USDA-ARS, Prosser, WA, 3University of Illinois, Urbana, IL (304)

 

1:30   Do Cultivar and Saflufenacil Application Timing Influence Weed Control and Growth Response of Succulent Pea? D. Robinson*, K. E. McNaughton; University of Guelph, Ridgetown, ON (305)

 

1:45   Evaluation of Post Emergence Herbicides for Purple Nutsedge Control in Tomato and Bell Pepper. N. S. Boyd*; University of Florida, Wimauma, FL (306)

 

2:00   Effect of Moisture-Limiting Conditions on Uptake and Translocation of Glyphosate Drift Rates on Processing Tomato. K. E. McNaughton*, P. H. Sikkema, D. Robinson; University of Guelph, Ridgetown, ON (307)

 

2:15   Response of Broccoli and Pepper to Simulated Drift of 2,4-D and Dicamba. D. Doohan*, M. Mohseni-Moghadam; The Ohio State University, Wooster, OH (308)

 

2:30   Effect of Mixing Sand and Pinebark on Preemergence Herbicide Efficacy in Blueberry. P. J. Dittmar*; University of Florida, Gainesville, FL (309)

 

2:45   Break

 

3:00   Evaluation of Herbicides for Fescue (Festuca spp.) Control in Wild Blueberry†. G. L. Graham*; NBDAAF, Fredericton, NB (310)

 

3:15   Weed Control in Concord Grape. C. J. Phillippo*, B. Zandstra; Michigan State University, East Lansing, MI (311)

 

3:30   Maintaining Raspberry Weed Free with Clopyralid and Other Herbicides. B. Zandstra*, C. J. Phillippo; Michigan State University, East Lansing, MI (312)

 

3:45   Business Meeting




WEDNESDAY  AFTERNOON    FEBRUARY 5

Section 9. Weed Biology and Ecology

LOCATION:   Regency E
TIME:   1:00 PM - 4:15 PM
CHAIR:   Greta Gramig
    North Dakota State University
    Fargo, ND
MODERATOR:   Greta Gramig
    North Dakota State University
    Fargo, ND

 

*SPEAKER

 

1:15   Genomics and Domestication of Field Pennycress (Thlaspi arvense). K. M. Dorn*, D. Marks, D. Wyse; University of Minnesota, St Paul, MN (314)

 

1:30   Comparative Growth of Kochia (Kochia scoparia) Accessions from Northern and Central Great Plains. A. V. Varanasi*, P. Jha, V. Kumar, S. Leland; Montana State University, Huntley, MT (315)

 

1:45   Flowering Biology of Red Sorrel (Rumex acetosella) in Lowbush Blueberry (Vaccinium angustifolium) Fields. S. N. White*1, N. S. Boyd2, R. C. Van Acker3, C. J. Swanton3, S. Newmaster3; 1University of Guelph, Truro, NS, 2Gulf Coast Research and Education Center, Wimauma, FL, 3University of Guelph, Guelph, ON (316)

 

2:00   Impact of Temperature Increase on Phenology of Ambrosia artemisiifolia Biotypes. D. L. Benoit*; Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, QC (317)

 

2:15   Fall Panicum Interference in Sugarcane. D. Odero*1, N. Havranek1, M. Duchrow2; 1University of Florida, Belle Glade, FL, 2Sugar Cane Growers Cooperative of Florida, Belle Glade, FL (318)

 

2:30   Past and Future Role of Wildfire, Humans and Climate in Nonindigenous Plant Invasions. B. D. Maxwell*1, K. Taylor1, T. Brummer2, L. J. Rew1, M. Lavin1, A. Pauchard3, D. Peltzer4; 1Montana State University, Bozeman, MT, 2Lincoln University, Lincoln, New Zealand, 3University of Concepcion, Concepcion, Chile, 4Landcare, Lincoln, New Zealand (319)

 

2:45   The Abundance of Bromus tectorum¬†in Response to Wildfire and Fire Suppression. T. Seipel*, E. A. Lehnhoff, L. J. Rew; Montana State University, Bozeman, MT (320)

 

3:00   Ecology, Biology and Control of Some Exotic - invasive Weeds in Coastal Forests of British Columbia. R. R. Prasad*; Pacific Forestry Centre, Victoria, BC (321)

 

3:15   Break

 

3:30   Plant Community Resilience to Disturbance and Linaria vulgaris Invasion Across an Environmental Gradient. E. A. Lehnhoff*, B. D. Maxwell, L. J. Rew; Montana State University, Bozeman, MT (322)

 

3:45   Novel Bioenergy Crops: Sustainable Energy or Invaders in Waiting. L. L. Smith*, J. N. Barney; Virginia Tech, Blacksburg, VA (323)

 

4:00   Role of Carbon Amendments in Reversing Niche Construction in Invaded Ecosystems: A Case Study with Polygonum cuspidatum ¬†(Japanese knotweed). V. Suseela*1, P. Alpert2, N. Tharayil1; 1Clemson University, Clemson, SC, 2University of Massachusetts, Amherst, MA (324)




WEDNESDAY  AFTERNOON    FEBRUARY 5

Section 13. Integrated Weed Management

LOCATION:   Plaza C
TIME:   1:00 PM - 5:00 PM
CHAIR:   Chris Benedict
    Washington State University
    Bellingham, WA
MODERATOR:   Chris Benedict
    Washington State University
    Bellingham, WA

 

*SPEAKER

 

1:00   An Introduction to the Reduced-tillage Organic Systems Experiment (ROSE). W. Curran*1, M. Dempsey1, C. L. Keene2, S. Mirsky3, M. Ryan4, B. Scott5, M. VanGessel5, L. Young3; 1Penn State University, University Park, PA, 2Penn State University, State College, PA, 3USDA-ARS, Beltsville, MD, 4Cornell University, Ithaca, NY, 5University of Delaware, Georgetown, DE (325)

 

1:15   Weed Management in ROSE: The Power of Avoidance, Suppression, and Supplemental Control Tactics. M. A. Dempsey*1, M. Ryan2, C. L. Keene3, W. Curran1, S. Mirsky4, M. VanGessel5; 1Penn State University, University Park, PA, 2Cornell University, Ithaca, NY, 3Penn State University, State College, PA, 4USDA-ARS, Beltsville, MD, 5University of Delaware, Georgetown, DE (326)

 

1:30   Corn, Soybean, and Wheat Performance in the ROSE. C. L. Keene*1, M. A. Dempsey2, W. Curran2, S. Mirsky3, M. Ryan4, M. VanGessel5; 1Penn State University, State College, PA, 2Penn State University, University Park, PA, 3USDA-ARS, Beltsville, MD, 4Cornell University, Ithaca, NY, 5University of Delaware, Georgetown, DE (327)

 

1:45   Cover Crop Management in the ROSE: the Good, the Bad, and the Weedy. M. VanGessel*1, C. L. Keene2, W. Curran3, M. A. Dempsey3, S. Mirsky4, M. Ryan5, B. Scott1; 1University of Delaware, Georgetown, DE, 2Penn State University, State College, PA, 3Penn State University, University Park, PA, 4USDA-ARS, Beltsville, MD, 5Cornell University, Ithaca, NY (328)

 

2:00   Engineering Solutions to Improve the Biology: Making Cover Crop-based No-till Crop Production Work. S. Mirsky*1, W. Curran2, M. A. Dempsey2, C. L. Keene3, M. Ryan4, M. VanGessel5, L. Young6; 1USDA-ARS, Beltsville, MD, 2Penn State University, University Park, PA, 3Penn State University, State College, PA, 4Cornell University, Ithaca, NY, 5University of Delaware, Georgetown, DE, 6USDA, ARS, SASL, Beltsville, MD (329)

 

2:15   Putting the Pieces Together: Regional Recommendations from the ROSE. M. Ryan*1, W. Curran2, M. A. Dempsey2, C. L. Keene3, S. Mirsky4, M. J. VanGessel5; 1Cornell University, Ithaca, NY, 2Penn State University, University Park, PA, 3Penn State University, State College, PA, 4USDA-ARS, Beltsville, MD, 5University of Delaware, Georgetown, DE (330)

 

2:30   Long Term Management of Canada Thistle (Cirsium arvense) in a No-till Cropping System. W. E. May*1, L. T. Juras2, K. L. Sasford3, F. A. Holm3; 1Agriculture and Agri-Food Canada, Indian Head, SK, 2Dow AgroSciences Canada Inc., Saskatoon, SK, 3University of Saskatchewan, Saskatoon, SK (331)

 

2:45   Performance of Pre-emergence Herbicides for the Control of Rigid Ryegrass (Lolium rigidum) in Zero-till Wheat. S. Kleemann, C. Preston, G. S. Gill*; University of Adelaide, Adelaide, Australia (332)

 

3:00   Benefits and Economics of¬† ‚ÄúThe Critical Period of Competition‚ÄĚ and ‚ÄúThe ZeroSeed Threshold‚ÄĚ Weed Management Strategies for Transitioning to Organic Farming. M. Mohseni-Moghadam*1, D. Doohan1, K. Amisi2; 1OSU-OARDC, Wooster, OH, 2Grand Valley State University, Allendale, MI (333)

 

3:15   Break

 

3:30   Zone Tillage and Cover Crop Spatial Arrangement Effects on Weed Emergence and Competition in Organic Sweet Corn Production. C. J. Lowry*, D. C. Brainard; Michigan State University, East Lansing, MI (334)

 

3:45   No-Herbicide No-Till Soybean in the Northeastern United States. J. Liebert*, M. Ryan; Cornell University, Ithaca, NY (335)

 

4:00   Merits of Cover Crop Mixtures and Alternative Termination Methods in Organic Cropping Systems. R. E. Blackshaw*1, K. Podolsky2, M. Entz2, S. Shirtliffe3; 1Agriculture and Agri-Food Canada, Lethbridge, AB, 2University of Manitoba, Winnipeg, MB, 3University of Saskatchewan, Saskatoon, SK (336)

 

4:15   Living Mulches With and Without Herbicides to Control Annual Grasses in Sweet Corn (Zea mays). R. E. Nurse*1, R. Mensah2, D. Robinson3, G. Leroux4; 1Agriculture and Agri-Food Canada, Harrow, ON, 2Laval University, Quebec, QC, 3University of Guelph, Ridgetown, ON, 4Universite Laval, Quebec, QC (337)

 

4:30   Changes in Weed Flora and its Management in Direct Seeded Rice in North Western India. A. Kumar1, D. Yadav*2, G. S. Gill3; 1CCS Haryana Agricultural University, Hisar, India, 2CCS Haryana Agricultural University, Karnal, India, 3University of Adelaide, Adelaide, Australia (338)

 

4:45   Management of Complex Weed Flora in Direct Seeded Rice. M. S. Bhullar*1, S. Kaur1, T. Kaur1, S. Kumar1, G. S. Gill2; 1Punjab Agricultural University, Ludhiana, India, 2University of Adelaide, Adelaide, Australia (339)




WEDNESDAY  AFTERNOON    FEBRUARY 5

CWSS Industry Reception

LOCATION:   Georgia AB
TIME:   7:00 PM - 9:00 PM

 





THURSDAY  MORNING    FEBRUARY 6

CWSS Business Meeting Breakfast

LOCATION:   Georgia AB
TIME:   6:30 AM - 8:00 AM
CHAIR:   David Clements
    Trinity Western University
    Langley, BC
MODERATOR:   David Clements
    Trinity Western University
    Langley, BC

 





THURSDAY  MORNING    FEBRUARY 6

Addressing Global Herbicide Resistance Issues - Industry Perspective and Initiatives

LOCATION:   Regency D
TIME:   8:00 AM - 12:00 PM
CHAIR:   Mark Peterson
    Dow AgroSciences
    West Lafayette, IN
MODERATOR:   Mark Peterson
    Dow AgroSciences
    West Lafayette, IN

 

*SPEAKER

 

8:00   A Brief History of the Parallel Evolution of Herbicide Resistance and Related Industry Efforts. C. Gerwick*; Dow AgroSciences, Indianapolis, IN (340)

 

8:20   Economic Drivers for New Technologies and Sustainable Weed Management. D. Palmer*; Dow AgroSciences, Indianapolis, IN (341)

 

8:40   Collaborations Between Industry and Regulatory Agencies to Address Resistance. B. Chism*; US EPA, Washington, DC (342)

 

9:00   Collaborations Between Industry and University Extension to Address Resistance. C. L. Sprague*; Michigan State University, East Lansing, MI (343)

 

9:20   Stewardship and How it Affects Resistance Management. B. Glenn*1, S. McLallen2; 1CropLife America, Washington, DC, 2CropLife Foundation, Washington, DC (344)

 

9:40   Global Herbicide Resistance Action Committee - Industry Collaboration to Address Herbicide Resistance. J. K. Soteres*; Monsanto, St. Louis, MO (345)

 

10:00   Break

 

10:15   Panel Discussion - Technological Advancements in Weed Control and the Part They Play in Addressing Herbicide Resistance. M. A. Peterson*1, B. R. Miller2, R. Cole3, A. Cotie4; 1Dow AgroSciences, West Lafayette, IN, 2Syngenta, Minnetonka, MN, 3Monsanto, St. Louis, MO, 4Bayer CropScience, Research Triangle Park, NC (346)

 

11:15   Panel and Presenters Discussion




THURSDAY  MORNING    FEBRUARY 6

Section 1. Agronomic Crops

LOCATION:   Regency F
TIME:   8:00 AM - 11:15 AM
CHAIR:   Prashant Jha
    Montana State University
    Huntley, MT
MODERATOR:   Prashant Jha
    Montana State University
    Huntley, MT

 

*SPEAKER

 

8:00   Corn and Italian Ryegrass Competition. V. K. Nandula*; USDA-ARS, Stoneville, MS (347)

 

8:15   Weed Dynamics and Productivity of Winter Maize + Potato Intercropping System as Influenced by Different Weed Management Strategies in Shiwalik Foot-Hills of North-West Himalayas. A. K. Kumar*, J. K. Kumar, B. C. Sharma, P. K. Kour; University of Agricultural Sciences and Technology, Jammu, India (348)

 

8:30   Managing Pokeweed in Pennsylvania No-Till Corn and Soybean Fields. K. M. Patches*, W. Curran; Penn State University, University Park, PA (349)

 

8:45   Crop Response to Dicamba Applications on† Soybean Event MON 87708. P. C. Feng*; Monsanto, Saint Louis, MO (350)

 

9:00   Performance of EngeniaTM Herbicide Programs in Dicamba Tolerant Crops. J. Frihauf*, S. Bowe, L. Bozeman; BASF Corporation, Research Triangle Park, NC (351)

 

9:15   Use of Proper Application Techniques to Mitigate Off-Target Movement of Glyphosate + Dicamba During Soybean Reproductive Development. J. K. Norsworthy*1, L. Steckel2, D. B. Reynolds3, T. Irby4, T. Barber5, A. Mills6, R. Montgomery7, J. Sandbrink8, J. Travers8, K. Remund8; 1University of Arkansas, Fayetteville, AR, 2University of Tennessee, Jackson, TN, 3Mississippi State University, Mississippi State, MS, 4Mississippi State University, Starkeville, MS, 5University of Arkansas, Lonoke, AR, 6Monsanto, Scott, MS, 7Monsanto, Jackson, AR, 8Monsanto, St. Louis, MO (352)

 

9:30   Stewardship of EngeniaTM Herbicide. W. E. Thomas*1, L. L. Bozeman2, S. Bowe1; 1BASF Corporation, Research Triangle Park, NC, 2BASF, Raleigh, NC (353)

 

9:45   Enlist Weed Control System for Canada. A. W. MacRae*1, A. McFadden2; 1Dow AgroSciences Canada, Winnipeg, MB, 2Dow AgroSciences Canada Inc, Guelph, ON (354)

 

10:00   Break

 

10:15   Drift and Tank Contamination of 2,4-D in Non-tolerant Cotton. M. R. Manuchehri*1, P. A. Dotray2, T. S. Morris3, J. Keeling3, P. A. Baumann4, G. D. Morgan5; 1Texas Tech Univ, Lubbock, TX, 2Texas Tech Univ., Texas A&M AgriLife Research and Extension, Lubbock, TX, 3Texas A&M AgriLife Research, Lubbock, TX, 4Texas A&M University, College Station, TX, 5Texas A&M AgriLife Extension, College Station, TX (355)

 

10:30   Metabolic Fate of 2,4-D in Enlist Soybeans. J. J. Skelton*1, D. Simpson2, A. V. Lygin3, D. E. Riechers3; 1University of Illinois, Champaign, IL, 2Dow AgroSciences, Indianapolis, IN, 3University of Illinois, Urbana, IL (356)

 

10:45   Peanut Injury and Yield Reduction in Response to Simualted 2,4-D and Dicamba Drift at Two Growth Stages. R. G. Leon1, B. J. Brecke*1, J. A. Ferrell2; 1University of Florida, Jay, FL, 2University of Florida, Gainesville, FL (357)




THURSDAY  MORNING    FEBRUARY 6

Section 5. Wildland and Aquatic Invasive Plants

LOCATION:   Plaza B
TIME:   8:00 AM - 10:45 AM
CHAIR:   Andrew Skibo
    SePRO Corporation
    Fort Collins, CO
MODERATOR:   Andrew Skibo
    SePRO Corporation
    Fort Collins, CO

 

*SPEAKER

 

8:00   Aquatic and Riparian Weed Problems in Brazil: Research and Management Opportunities. L. Anderson*1, D. Matos2; 1Waterweed Solutions, Inverness, CA, 2Ecologia e Conservacao Depto de Hidrobiologia, UFSCar, Brazil (358)

 

8:15   Herbicide Trials for Management of Flowering Rush in Minnesota. J. D. Madsen*, B. Sartain, G. Turnage; Mississippi State University, Mississippi State, MS (359)

 

8:30   Metabolic Profiles of the Submersed Aquatic Weed Hydrilla verticillata Treated Alone and in Combination with ALS-inhibiting Herbicides and Endothall. M. A. Heilman*1, S. T. Meadows2, R. J. Richardson2, J. D. Burton2; 1SePRO Corporation, Carmel, IN, 2North Carolina State University, Raleigh, NC (360)

 

9:00   Field and Mesocosm Evaluations of Granular Herbicide and Pre-emergent Use Patterns for Control of Flowering Rush (Butomus umbellatus). A. Z. Skibo*1, M. A. Heilman2; 1SePRO Corporation, Fort Collins, CO, 2SePRO Corporation, Carmel, IN (362)

 

9:15   Native Prairie Functional Groups to Resist Invasion by Cirsium arvense. R. L. Becker*1, M. J. Haar2, L. D. Klossner3; 1University of Minnesota, St. Paul, MN, 2National Park Service, Interior, SD, 3University of Minnesota, Lamberton, MN (363)

 

9:30   Current Trends of Invasive Weed Species in Greater-Himalayan Region. A. K. Kumar*, J. K. Kumar, B. C. Sharma, N. S. Sharma; University of Agricultural Sciences and Technology, Jammu, India (364)

 

9:45   Seed Production and Predation of Amur Honeysuckle (Lonicera maackii). R. J. Smeda*, S. A. Riley; University of Missouri, Columbia, MO (365)

 

10:00   An Empirical Test of a Novel Model to Determine the Total Impact of an Invasive Grass. D. R. Tekiela*, J. N. Barney; Virginia Tech, Blacksburg, VA (366)

 

10:15   Aminopyralid Research Summary for Aquatic Labeling. D. E. Barnekow*1, V. F. Peterson2, J. J. Jachetta1, P. L. Havens1, L. A. Brinkworth1, W. T. Haller3, W. N. Kline4, J. L. Troth1; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences, Mulino, OR, 3University of Florida, Gainesville, FL, 4Dow AgroSciences, Duluth, GA (367)

 

10:30   Business Meeting




THURSDAY  MORNING    FEBRUARY 6

Section 7. Education and Extension

LOCATION:   Plaza C
TIME:   8:00 AM - 11:15 AM
CHAIR:   Darrin Dodds
    Mississippi State University
    Mississippi State, MS
MODERATOR:   Darrin Dodds
    Mississippi State University
    Mississippi State, MS

 

*SPEAKER

 

8:00   UGA Weed Webinar:† How we Conducted 18 County Production Meetings in One Day. E. P. Prostko*1, S. Culpepper2, K. Lewis2, P. M. Eure2; 1University of Georgia, Tifton, GA, 2The University of Georgia, Tifton, GA (368)

 

8:15   Using PolycomTM to Reach Massive Extension Audiences for Pesticide Education. F. M. Fishel*1, L. A. Gettys2; 1University of Florida, Gainesville, FL, 2University of Florida, Fort Lauderdale, FL (369)

 

8:30   Weed Science in Social Media:† Lesson Learned and Gaps Identified. J. Person*, J. K. Soteres; Monsanto, St. Louis, MO (370)

 

8:45   Developing a Multi-State Weed Science Training. T. A. Baughman*1, P. A. Baumann2, P. A. Dotray3; 1Oklahoma State University, Ardmore, OK, 2Texas A&M University, College Station, TX, 3Texas Tech University, Lubbock, TX (371)

 

9:00   Management of Glyphosate and ALS Resistant Horseweed. B. Reeb*, M. M. Loux; The Ohio State University, Columbus, OH (372)

 

9:15   On-farm Use of Chelated Iron to Safen Grain Sorghum Following Pyrosulfltole Plus Bromoxynil Applied POST. R. M. Merchant*; University of Georgia, Tifton, GA (373)

 

9:30   Clopyralid and Dicamba Residue Impacts on Potatoes and Weeds. S. Seefeldt*1, R. A. Boydston2, P. N. Kaspari3; 1University of Alaska, Fairbanks, AK, 2USDA-ARS, Prosser, WA, 3University of Alaska Fairbanks, Delta Junction, WA (374)

 

9:45   Current and Future Stewardship Training for EngeniaTM Herbicide. L. Bozeman*1, D. Pepitone2, S. Wilson2, R. E. Wolf3; 1BASF Corporation, Research Triangle Park, NC, 2BASF, RTP, NC, 3Wolf Consulting and Research, Mahomet, IL (375)

 

10:00   Break

 

10:15   Weed Distribution and Associated Field Management Practices in Alberta. C. Neeser*1, J. Y. Leeson2, N. Kimmel3, M. Vadnais3; 1Government of Alberta, Brooks, AB, 2Agriculture and Agri-Food Canada, Saskatoon, SK, 3Government of Alberta, Edmonton, AB (376)

 

10:30   Herbicide Resistant Weeds in Iowa; Update and Assessment. M. D. Owen*; Iowa State University, Ames, IA (377)

 

10:45   Weed Invasion- A Case Study from Pakistan. K. B. Marwat*; SBB University, Sheringal, Dir Upper, Pakistan, Sheringal, Dir Upper, Pakistan (378)

 

11:00   Business Meeting




THURSDAY  MORNING    FEBRUARY 6

Section 11. Physiology

LOCATION:   Regency E
TIME:   8:00 AM - 12:00 PM
CHAIR:   Todd Gaines
    Colorado State University
    Fort Collins, CO
MODERATOR:   Todd Gaines
    Colorado State University
    Fort Collins, CO

 

*SPEAKER

 

8:00   Signatures of Selection and EPSPS Gene Copy Number Across Genus Amaranthus and the Potential Origins of Glyphosate Resistance. A. L. Lawton-Rauh*1, K. E. Beard1, N. R. Burgos2, S. J. Barfield1, J. D. Burton3; 1Clemson University, Clemson, SC, 2University of Arkansas, Fayetteville, AR, 3North Carolina State University, Raleigh, NC (379)

 

8:15   Current Status of Glyphosate Resistant Kochia and Mechanism of Resistance in North America. P. Westra*1, E. Westra1, A. Wiersma2, D. Giacomini1; 1Colorado State University, Fort Collins, CO, 2Michigan State University, East Lansing, MI (380)

 

8:30   EPSPS Gene Amplification Confers Glyphosate Resistance in Kochia (Kochia scoparia) Populations from Montana. V. Kumar*1, P. Jha1, P. Westra2, E. Westra2, D. Giacomini2, C. Vanhorn2; 1Montana State University, Huntley, MT, 2Colorado State University, Fort Collins, CO (381)

 

8:45   Mechanism of Glyphosate Resistance in Kochia (Kochia scoparia). M. Jugulam*, K. Niehues, B. Gill; Kansas State University, Manhattan, KS (382)

 

9:00   Extensive Gene Amplification of EPSPS Endows Glyphosate Resistance in Two¬†Bromus diandrus (Great Brome) Populations in Australia. J. M. Malone, S. Morran, P. Boutsalis, N. Shirley, C. Preston*; University of Adelaide, Glen Osmond, Australia (383)

 

9:15   New Evidence for Multiple Glyphosate-Resistance Mechanisms Within a Population of Common Ragweed (Ambrosia artemisiifolia). J. T. Parrish*1, M. M. Loux1, D. M. Mackey1, L. K. McHale1, D. Sammons2, D. Wang2, E. L. Ostrander3, D. A. D'Avignon3, X. Ge3, P. Westra4, C. R. Van Horn4, A. Wiersma5; 1The Ohio State University, Columbus, OH, 2Monsanto, St. Louis, MO, 3Washington University, St. Louis, MO, 4Colorado State University, Fort Collins, CO, 5Michigan State University, East Lansing, MI (384)

 

9:30   Determining the Mechanism of Resistance to Glyphosate in Two Biotypes of Giant Ragweed. T. Jeffery*1, C. Hall1, M. McLean1, F. J. Tardif1, P. H. Sikkema2, D. Robinson2, M. B. Lawton3; 1University of Guelph, Guelph, ON, 2University of Guelph, Ridgetown, ON, 3Monsanto Canada, Guelph, ON (385)

 

9:45   Updates on Molecular Response of Glyphosate Resistant Giant Ragweed (Ambrosia trifida). C. R. Van Horn*, P. Westra; Colorado State University, Fort Collins, CO (386)

 

10:00   Break

 

10:15   Inheritance of Resistance to Glyphosate, Paraquat and Clethodim in a Multiple Resistant Population of Rigid Ryegrass (Lolium rigidum) from South Australia. S. Morran*, P. Boutsalis, C. Preston; University of Adelaide, Glen Osmond, Australia (387)

 

10:30   Glyphosate Impacts Phytohormone Signaling and Vegetative Growth Patterns from Underground Adventitious Buds of Leafy Spurge. M. Dogramaci*, J. V. Anderson, M. E. Foley; USDA-ARS, Fargo, ND (388)

 

10:45   Arylex Mode and Site†of Action Characterization. J. L. Bell*, P. R. Schmitzer, A. E. Robinson; Dow AgroSciences LLC, Indianapolis, IN (389)

 

11:00   Understanding the Differential Responses of Setaria viridis (Green Foxtail) and Setaria pumila (Yellow Foxtail) to Pyroxsulam. N. M. Satchivi*, G. J. deBoer; Dow AgroSciences, Indianapolis, IN (390)

 

11:15   Physiological Basis of Reduced Mesotrione Efficacy under Elevated Growth Temperatures in Palmer Amaranth. A. S. Godar, P. Prasad, S. Betha, V. Varanasi, C. Thompson, M. Jugulam*; Kansas State University, Manhattan, KS (391)

 

11:30   Effect of Growth Stage, Light, and Temperature on Hairy Fleabane (Conyza bonariensis) Control with Postemergence Herbicides. M. R. Dennis1, S. I. Rios1, K. Hembree2, J. Bushoven1, A. Shrestha*1; 1California State University, Fresno, CA, 2University of California Cooperative Extension, Fresno, CA (392)

 

11:45   A Variety of psbA Mutations in Amaranthus sp. Infesting Carrot Production. G. Davis*, F. J. Tardif; University of Guelph, Guelph, ON (393)