PROGRAM

TUESDAY  MORNING    FEBRUARY 5

Section 1. Agronomic Crops

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†PRE- and POST-emergent Herbicide Screening for Bioenergy Crop Safety. L. L. Smith*, S. Hagood, S. D. Askew, J. N. Barney; Virginia Tech, Blacksburg, VA (1)

 

†The Effects of Row Spacing and Population on Weed Competition in Organic Canola Production. R. A. Atwell*; NC State University, Raleigh, NC (2)

 

†N Availability in Corn as Impacted by N Source, Rate and Weed Removal Time. A. M. Knight*, W. J. Everman, D. Jordan, R. Heiniger, T. J. Smyth; North Carolina State University, Raleigh, NC (3)

 

Density and Sowing Pattern Effects in Yield and Weed Suppression in Three Maize (ZEA MAYS) Varieties. C. Marin*1, J. Weiner2; 1Jorge Tadeo Lozano University, Bogota D.C., Colombia, 2University of Copenhagen, Frederiksberg, Denmark (4)

 

Evaluation of Preemergence Residual Herbicide Programs for Weed Control in Glyphosate-Resistant Corn. P. Jha*, V. Kumar, N. Reichard; Montana State University, Huntley, MT (5)

 

Evaluation of Pre and Postemergence Herbicides for Control of Palmer Amaranth (Amaranthus palmeri) in Corn. K. M. Vollmer*, H. P. Wilson, T. E. Hines; Virginia Tech, Painter, VA (6)

 

Site-specific Weed Management in Cotton . D. Chachalis*, A. Papadopoulos; Benaki Phytopathological Institute, Athens, Greece (7)

 

Broad-Spectrum Weed Control Options for Rice Production. B. M. McKnight*, E. P. Webster, J. C. Fish, N. D. Fickett; LSU AgCenter, Baton Rouge, LA (8)

 

New Weed Management Options for Rice Production. E. P. Webster*, J. C. Fish, N. D. Fickett, B. M. McKnight; LSU AgCenter, Baton Rouge, LA (9)

 

Herbicide Efficacy on Broadleaf and Sedge Weed Control in Rice. N. D. Fickett*, E. P. Webster, B. M. McKnight, J. C. Fish; LSU AgCenter, Baton Rouge, LA (10)

 

†Propanil Resistance in Cyperus difformis of California Rice Fields: a New Challenge. R. M. Pedroso*1, L. G. Boddy2, A. Fischer3; 1University of California at Davis, Davis, CA, 2Marrone Bio Innovations, Davis, CA, 3University of California, Davis, Davis, CA (11)

 

†Viability and Emergence of Red Rice and Irrigated Rice (Oryza sativa L.) are Influenced by Temperature. G. Sartori1, E. Marchesan1, G. M. Telo*2, S. A. Senseman2, C. Azevedo1, L. Coelho1, M. Oliveira1; 1Federal University of Santa Maria, Santa Maria, Brazil, 2Texas A&M University, College Station, TX (12)

 

Newpath + Propanil Interactions Influence Weed Control in Clearfield Rice. J. C. Fish*1, E. P. Webster1, B. M. McKnight1, N. D. Fickett1, J. Bond2; 1LSU AgCenter, Baton Rouge, LA, 2Mississippi State University, Stoneville, MS (13)

 

Weed Control Programs in Sorghum Containing DuPont™ Inzen™ Z Herbicide Tolerance Trait. R. N. Rupp1, D. D. Ganske2, S. K. Rick3, D. Saunders*4; 1DuPont Crop Protection, Edmond, OK, 2DuPont Crop Protection, Winchester, VA, 3DuPont Crop Protection, St. Louis, IL, 4DuPont Crop Protection, Johnston, IA (14)

 

Evaluation of Preemergence Herbicides for Southern Soybean. T. A. Baughman*1, E. P. Prostko2; 1Oklahoma State University, Ardmore, OK, 2University of Georgia, Tifton, GA (15)

 

Weed Control and Soybean Response to Acetochlor. A. J. Jhala*1, M. S. Malik2, M. Singh3; 1University of Nebraska, Lincoln, NE, 2Monsanto Company, Lincoln, NE, 3University of Florida, Lake Alfred, FL (16)

 

†Weed Management in LibertyLink versus Roundup Ready Soybean. T. E. Besancon*, W. J. Everman; North Carolina State University, Raleigh, NC (17)

 

Spectral Discrimination Between Soybean and Johnson grass as Tool to Selective Herbicide Application             . H. A. Acciaresi*1, M. Yanniccari2, C. Weber1; 1Facultad Ciencias Agrarias y Forestales, La Plata, Argentina, 2FCAyF (INFIVE), La Plata, Argentina (18)

 

Palmer Amaranth Control Programs for Roundup Ready® 2 Xtend Soybeans. L. E. Steckel*1, R. Montgomery2, E. Blinka3, T. Eubank4, J. Mills5, S. Stanislav6, S. Seifert-Higgins7, F. Zabala8, R. Smeda9, B. Scott10; 1University of Tennessee, Jackson, TN, 2Monsanto, Union City, TN, 3Monsanto, Dyersburg, TN, 4Mississippi State University, Stoneville, MS, 5Monsanto, Collierville, MS, 6Monsanto, Cape Girardeau, MO, 7Monsanto Company, St. Louis, MO, 8Monsanto, St. Louis, MO, 9Univeristy of Missouri, Columbia, MO, 10University of Arkansas, Lonoke, AR (19)

 

Glyphosate Resistant Palmer Amaranth Control in Dicamba Tolerant Soybeans. R. E. Paynter*1, W. J. Everman1, D. Williamson2, S. Seifert-Higgins3; 1North Carolina State University, Raleigh, NC, 2Monsanto, St. Louis, MO, 3Monsanto Company, St. Louis, MO (20)

 

Palmer amaranth Management and Crop Response in HPPD Tolerant Soybeans. W. J. Everman*1, M. Rosemond2, J. Allen3; 1North Carolina State University, Raleigh, NC, 2Bayer CropScience, Raleigh, NC, 3Bayer CropScience, Research Triangle Park, NC (21)

 

Selectivity of an HPPD-Tolerant Soybean Event. J. Allen1, M. Mahoney*2, J. Hinz3; 1Bayer CropScience, Research Triangle Park, NC, 2Bayer CropScience, Oxford, MD, 3Bayer CropScience, Story City, IA (22)

 

Control of Volunteer Corn in Sugarbeet. C. L. Sprague, A. C. Harden*; Michigan State University, East Lansing, MI (23)

 

Mechanism of Interaction Between Pyroxasulfone and Sulfentrazone on Sunflowers. E. P. Westra*1, D. L. Shaner2, P. Westra1; 1Colorado State University, Fort Collins, CO, 2USDA, Fort Collins, CO (24)

 

Differential Response to Imazamox of Different Imidazolinone Tolerant Wheat Cultivars . F. Jimnez*1, A. M. Rojano-Delgado2, F. Priego-Capote2, M. Luque de Castro2, R. De Prado3; 1IDIAF, Santo Domingo, Dominican Republic, 2University of Crdoba, Crdoba, Spain, 3Crdoba University, Crdoba, Spain (25)

 

Shifts in Weed Community Composition and Abundance along an Intercropping and Soil Disturbance Intensity Gradient. J. A. Wilhelm*, R. G. Smith; University of New Hampshire, Durham, NH (26)

 

How the Seed Vigor is Affecting Crop Competition with Weeds. D. Chachalis*1, V. Anthouli1, E. Khah2, P. Terzopoulos3; 1Benaki Phytopathological Institute, Athens, Greece, 2University of Thessaly, Volos, Greece, 3Spyrou SA, Athens, Greece (27)

 

Does Fertilizer N Influence Crop-Weed Response to Herbicides? V. Kumar*1, P. Jha1, M. K. Riar2, N. Reichard1, J. R. KC1; 1Montana State University, Huntley, MT, 2Montana State University, Billings, MT (28)

 

Productivity Unleashed: Crop and Weed Response to Plowing 24 Year-old No-till Plots. A. Legere*1, A. Vanasse2, G. Parent3, S. Malhi4, C. Stevenson5; 1AAFC, Saskatoon, SK, 2Universit Laval, Qubec, QC, 3AAFC, Qubec, QC, 4AAFC, Melfort, SK, 5Private Consultant, Saskatoon, SK (29)

 

Discriminating Weeds from Crops with Hyperspectral Leaf Reflectance Data and Multivariate Analysis. R. S. Fletcher*, K. N. Reddy; USDA-ARS, Stoneville, MS (30)

 

Effect of Spray Tip Selection on Palmer Amaranth Control. D. M. Dodds*1, D. Z. Reynolds1, T. H. Dixon1, C. A. Samples1, A. Mills2; 1Mississippi State University, Mississippi State, MS, 2Monsanto, Collierville, TN (31)

 

Cover Crops as a Weed Suppression Technique for Palmer amaranth in the Mid-South . M. S. Wiggins*1, T. C. Mueller2, D. D. Tyler1, L. E. Steckel1; 1University of Tennessee, Jackson, TN, 2University of Tennessee, Knoxville, TN (32)

 

International Survey of Herbicide-Resistant Weeds. I. M. Heap*; WeedSmart, Corvallis, OR (33)

 

Benchmark Study: A Long-Term assessment of the Economic Viability of Herbicide Resistance Management Programs. B. Edwards*1, D. R. Shaw2, M. D. Owen3, P. Dixon4, B. Young5, R. Wilson6, D. Jordan7, S. Weller8; 1Mississippi State University, Starkville,MS, MS, 2Mississippi State University, Mississippi State, MS, 3ISU, Ames, IA, 4Iowa State University, Ames, IA, 5Southern Illinois University, Carbondale, IL, 6University Nebraska-Lincoln, Lincoln, NE, 7North Carolina State University, Raleigh, NC, 8Purdue University, West Lafayette, IN (34)

 

ALS-resistant Chickweed in Pennsylvania: Has it Come Home to Roost? D. Lingenfelter*1, W. Curran2; 1Penn State, University Park, PA, 2Penn State University, University Park, PA (35)

 

Leptochloa virgata Resistant to Glyphosate in México. M. Prez-Lpez1, F. Gonzlez-Torralva*1, J. Domnguez Valenzuela2, J. L. Medina Pitala3, R. De Prado1; 1Crdoba University, Crdoba, Spain, 2Chapingo Autonomous University, Mxico State, Mexico, 3Chapingo Autonomous University, Mexico State, Mexico (36)




TUESDAY  MORNING    FEBRUARY 5

Section 2. Horticultural Crops

 

*PRESENTER

 

Use of Cultivation and Glyphosate During Summer Fallow Period for Nutsedge (Cyperus spp.) Control in Bell Pepper (Capsicum annuum L.). M. R. Miller*1, P. J. Dittmar2; 1Univeristy of Florida, Gainesville, FL, 2University of Florida, Gainesville, FL (37)

 

Sulfentrazone Use in Lima Beans for Amaranthus Control. S. A. Mathew*1, M. VanGessel2, B. Scott2, Q. R. Johnson2; 1University of Maryland, Cambridge, MD, 2University of Delaware, Georgetown, DE (38)

 

Efficacy of Postemergence Herbicides for the Control of Vine Weeds in Florida Citrus. A. M. Ramirez*1, A. J. Jhala2, M. Singh1; 1University of Florida, Lake Alfred, FL, 2University of Nebraska, Lincoln, NE (39)

 

Critical Period of Weed Control in Snap Bean in Southern Florida. D. C. Odero*, A. L. Wright; University of Florida, Belle Glade, FL (40)

 

Tillage Timing and Summer Cover Crop Effects on Weed Management in Snap Beans. C. J. Lowry*1, T. Bjorkman2, D. C. Brainard3, J. Masiunas4, J. W. Shail5, D. Anderson4; 1Graduate Student- Michigan State University, East Lansing, MI, 2Cornell, Ithaca, NY, 3Michigan State University, East Lansing, MI, 4University of Illinois, Urbana, IL, 5Cornell University, Ithaca, NY (41)

 

Topramezone in Sweet Corn and Double-Cropped Vegetables:  What Are the Possibilities? M. J. VanGessel*, B. Scott, Q. R. Johnson; University of Delaware, Georgetown, DE (42)

 

Waste Cotton as a Biodegradable Mulching Material for Transplanted Watermelon and Cantaloupe Production. W. C. Johnson III*; USDA-ARS, Tifton, GA (43)

 

Halosulfuron Reduces Purple Nutsedge (Cyperus rotundus) Tuber Production. T. M. Webster*1, T. L. Grey2; 1USDA-ARS, Tifton, GA, 2University of Georgia, Tifton, GA (44)

 

Cultural and Physical Weed Management for Root-knot Nematode Suppression in Organic High Tunnels. F. Tabay Zambon1, C. A. Chase*2, X. Zhao2; 1Escola Superior de Agricultura "Luiz de Queiroz", Piracicaba, Brazil, 2University of Florida, Gainesville, FL (45)

 

Improved Herbicide Efficacy for Organically Grown Vegetables. J. O'Sullivan*1, R. Van Acker2, R. Grohs1, R. Riddle1; 1University of Guelph, Simcoe, ON, 2University of Guelph, Guelph, ON (46)

 

The IR-4 Project: Update on Weed Control Projects (Food Uses). M. Arsenovic*1, D. L. Kunkel1, J. Baron2, D. Carpenter1; 1IR-4 Project, Princeton, NJ, 2IR-4, Princeton, NJ (47)




TUESDAY  MORNING    FEBRUARY 5

Section 3. Turf and Ornamental Crops

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Evaluation of Florasulam for Broadleaf Weed Control in Bermudagrass. T. Reed*, P. McCullough; University of Georgia, Griffin, GA (48)

 

Creeping Bentgrass (Agrostis stolonifera) Tolerance to Topramezone in Combination with Herbicide Safeners. M. Elmore*1, J. T. Brosnan2, G. R. Armel3, M. Barrett4, G. K. Breeden2; 1University of Tennessee, Knoxville, TN, 2The University of Tennessee, Knoxville, TN, 3BASF, Raleigh, NC, 4University of Kentucky, Lexington, KY (49)

 

Effects of Time after Transplanting on Herbicide Safety to Heuchera. C. Harlow*1, J. Neal2; 1N. C. State University, Raleigh, NC, 2North Carolina State University, Raleigh, NC (50)

 

†Annual Bluegrass Control in Kentucky Bluegrass with Amicarbazone. M. Cox*, S. D. Askew; Virginia Tech, Blacksburg, VA (51)

 

Potential of FeHEDTA as an Over the Top POST Herbicide for Nursery Crops. C. Wilen*; Univ. of California, San Diego, CA (52)

 

Bermudagrass Control with Topramezone in Tall Fescue. C. Johnston*1, P. McCullough2; 1University of Georgia, Athens, GA, 2University of Georgia, Griffin, GA (53)

 

Cool-Season Turfgrass Tolerance to Metamifop During Establishment. S. Sidhu*1, D. Gomez de Barreda2, P. McCullough1; 1University of Georgia, Griffin, GA, 2Polytechnic Unv. of Valencia, Valencia, Spain (54)

 

Treatments for Crabgrass Control in Tropical Turf. G. Wiecko*; University of Guam, Mangilao, GU (55)

 

†Topramezone for Nimblewill and Groundivy Control in Cool Season Turf. K. Venner*1, A. N. Smith1, S. D. Askew1, K. Miller2; 1Virginia Tech, Blacksburg, VA, 2BASF, Richmond, VA (56)

 

†2D and 3D for Broadleaf Weed Control in Turf. A. N. Smith*1, M. Cox1, A. R. Post1, S. D. Askew1, J. Corbett2; 1Virginia Tech, Blacksburg, VA, 2Qualipro, Clayton, NC (57)

 

An Easy, Effective, and Inexpensive Method to Control Perennial Weeds in Landscapes. J. D. Byrd, Jr.*, J. Taylor, V. Maddox; Mississippi State University, Mississippi State, MS (58)

 

Effectiveness of Organic and Reduced Risk Herbicides on Lawns and Playing Fields. A. F. Senesac*1, J. L. Schnell2, J. T. Kao-Kniffin3; 1Long Island Horticultural Research and Extension Center, Riverhead, NY, 2Cornell University, Central Islip, NY, 3Cornell University, Ithaca, NY (59)

 

Metsulfuron Resistant Spurge in Georgia. J. Yu*, P. McCullough; University of Georgia, Griffin, GA (60)




TUESDAY  MORNING    FEBRUARY 5

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

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Investigating Preemergence Herbicides for Arundo donax as a Bioenergy Crop. B. A. Hicks*1, W. J. Everman1, S. Brake2; 1North Carolina State University, Raleigh, NC, 2Biofuels Center of North Carolina, Oxford, NC (61)

 

Plastid DNA Analysis Reveals Cryptic Hybridization in Invasive Dalmatian Toadflax Populations. S. M. Ward*1, A. Boswell1, S. E. Sing2; 1Colorado State University, Fort Collins, CO, 2U.S. Forest Service, Bozeman, MT (62)

 

Selection for Improved 2,4-D Tolerance in Red Clover (Trifolium pratense). T. L. Burke*, J. Roberts, N. Taylor, M. Barrett; University of Kentucky, Lexington, KY (63)

 

Aminocyclopyrachlor Application Timing to Control Perennial Pasture-Weeds. R. S. Chandran*, D. P. Friend; West Virginia University, Morgantown, WV (64)




TUESDAY  MORNING    FEBRUARY 5

Section 5. Wildland and Aquatic Invasive Plants

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Buffelgrass Susceptibility to Glyphosate and Graminicides in Greenhouse and Field Studies. W. B. McCloskey*1, D. Backer2; 1University of Arizona, Tucson, AZ, 2Saguaro National Park, Tucson, AZ (65)

 

†Competition of Monoecious Hydrilla with Other Submersed Macrophytes. R. J. Richardson, S. T. Meadows*, S. T. Hoyle; North Carolina State University, Raleigh, NC (66)

 

Late Season Selective Control of Winter Creeper (Euonymus fortunei). J. Omielan*, W. Witt; University of Kentucky, Lexington, KY (67)

 

Plant Species Matters in the Distribution of Lepidoptera Larva in Shrubland Communities used by Migratory Songbirds. S. L. Moon1, E. C. Bellush1, A. E. Gover*2, J. L. Larkin1, K. J. Desarro2, D. Mortensen2; 1Indiana University of Pennsylvania, Indiana, PA, 2Penn State University, University Park, PA (68)

 

Shale Gas Extraction: New Avenues for Invasive Plant Encroachment . K. Barlow*1, D. Mortensen2, P. Drohan2; 1Penn State University, State College, PA, 2Penn State University, University Park, PA (69)




TUESDAY  MORNING    FEBRUARY 5

Section 6. Regulatory Aspects

 

*PRESENTER

 

Field-scale Bioassay for Assessment of Off-Site Movement. J. P. Wright*, L. J. Schuler, J. L. Honegger; Monsanto Company, St. Louis, MO (70)

 

International Movement of Grain: A Study of Weed Seed Presence in some exported Canadian Commodities. B. H. Timlick*1, W. Aarts2; 1Canadian Grain Commission, Winniprg, MB, 2Canadian Grain Commission, Winnipeg, MB (71)




TUESDAY  MORNING    FEBRUARY 5

Section 7. Education and Extension

 

*PRESENTER

 

BASF's On-Target Application Academy: Educating Growers. W. E. Thomas*, M. Staal, S. J. Bowe, L. L. Bozeman, D. Pepitone; BASF Corporation, Research Triangle Park, NC (72)

 

Remotely Piloted Aircraft Systems and High Resolution Color Infrared Imagery for Assessing Herbicide Drift and Crop Conditions. D. Peterson*, D. van der Merwe, K. Price, D. Burchfield, C. Minihan; Kansas State University, Manhattan, KS (73)

 

Enlist AheadTM. B. D. Olson*1, T. J. Jones-Jefferson2, M. A. Peterson2, D. M. Simpson2; 1Dow AgroSciences, Geneva, NY, 2Dow AgroSciences, Indianapolis, IN (74)




TUESDAY  MORNING    FEBRUARY 5

Section 8. Formulation, Adjuvant and Application Technology

 

*PRESENTER

 

Yuccas Extract Effects on Nicusulforon Efficiency. A. R. Ghafouri*1, H. K. Kishani Farahani2; 1Islamic Azad University, Takestan Branch, Iran, Tehran, Iran, 2University of Tehran, Karaj, Iran, Tehran, Iran (75)

 

Comparison of Chemical (Gyahgate) and Organic (Hydromax) Adjuvants on Nicosulfuron Efficiency in Corn Field. A. R. Ghafouri*1, H. K. Kishani Farahani2; 1Islamic Azad University, Takestan Branch, Iran, Tehran, Iran, 2University of Tehran, Karaj, Iran, Tehran, Iran (76)

 

The Effect of Natural Emulsifiers and Vegetable Oils on Pelargonic Acid Efficacy. M. Serajchi*, M. K. Upadhyaya; University of British Columbia, Vancouver, BC (77)

 

Comparison of Pre and Post Emergence Herbicide Efficacy on Weed Suppression with a Conventional Sprayer and an Ultra-low Volume Sprayer in Turfgrass  . J. Ferguson*1, R. E. Gaussoin1, J. A. Eastin2, M. D. Sousek3, G. Kruger4; 1University of Nebraska-Lincoln, Lincoln, NE, 2Kamterter LLC, Waverly, NE, 3University of Nebraska-Lincoln, Mead, NE, 4University of Nebraska-Lincoln, North Platte, NE (78)

 

Progress in the Development of Laboratory Assays for Dicamba Volatility. E. Urbancyzk-Wochniak*1, A. MacInnes1, D. R. Wright1, W. Su2; 1Monsanto, St. Louis, MO, 2Monsanto Company, St. Louis, MO (79)

 

Proposed Dicamba Application Requirements for Roundup Ready® Xtend Crop Systems. J. Sandbrink*, J. Travers, J. Willis, C. Kamienski; Monsanto, St. Louis, MO (80)

 

Droplet Size Analysis of a Glufosinate Solution as Influenced by Carrier Volume, Nozzle, and Pressure. C. F. Creech*; University of Nebrask-Lincoln, Lincoln, NE (81)

 

Application Factors Detrimental to Glyphosate Efficacy. B. G. Young*, L. A. Campbell; Southern Illinois University, Carbondale, IL (82)




TUESDAY  MORNING    FEBRUARY 5

Section 9. Weed Biology and Ecology

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Germination Studies of Dodder Seeds Collected From Different Hosts. M. Serajchi*1, M. Seyedi1, E. Keshmiri1, A. Norozian1, M. T. Alebrahim2; 1Ferdowsi University of Mashhad, Mashhad, Iran, 2Mohaghegh Ardabili University, Ardebil, Iran (83)

 

Maternal Environment Effects on Phenolic Defenses of Velvetleaf (Abutilon theophrasti) Seeds. B. J. Schutte*1, S. E. Wortman2, J. L. Lindquist3, A. Davis4; 1New Mexico State University, Las Cruces, NM, 2University of Illinois, Urbana, IL, 3University of Nebraska, Lincoln, NE, 4USDA-ARS, Urbana, IL (84)

 

Weed Seed Decay in Contrasting Cropping Systems. R. Gmez*1, M. Liebman2, G. Munkvold2; 1University of Costa Rica, San Jos, Costa Rica, 2Iowa State University, Ames, IA (85)

 

Hyperpredation of Seed Predator Beetle Harpalus rufipes. S. K. Birthisel*, E. Gallandt, R. Jabbour; University of Maine, Orono, ME (86)

 

Field Persistence of Kochia Seed in the Central Great Plains. A. Dille*1, P. Stahlman2, P. Geier2, R. Currie3, R. Wilson4, G. Sbatella5, A. R. Kniss6, P. Westra7; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS, 3Kansas State University, Garden City, KS, 4University Nebraska-Lincoln, Lincoln, NE, 5Oregon State University, Madras, OR, 6University of Wyoming, Laramie, WY, 7Colorado State University, Fort Collins, CO (87)

 

Palmer Amaranth Seed Collection Potential in Soybean at Harvest. M. V. Bagavathiannan*1, M. J. Walsh2, J. K. Norsworthy1, S. B. Powles3; 1University of Arkansas, Fayetteville, AR, 2University of Western Australia, Perth, Australia, 3University of Western Australia, Crawley, Australia (88)

 

Soil Amendments Influence Palmer amaranth Seed Viability. D. K. Powell*, C. L. Sprague, K. A. Renner; Michigan State University, East Lansing, MI (89)

 

Growth and Competitive Ability of Glyphosate-Resistant Palmer Amaranth (Amaranthus palmeri) Populations from New Mexico as Compared to Susceptible Populations. M. Mohseni-Moghadam*, J. Schroeder, J. Ashigh; New Mexico State University, Las Cruces, NM (90)

 

Tillage, Cover Crops, and Crop Competition Affect Weed Growth and Fecundity in Cabbage. E. Haramoto*1, D. C. Brainard2; 1Michigan State University, Lansing, MI, 2Michigan State University, East Lansing, MI (91)

 

Spatial Modeling of Inter- and Intraspecific Competition of a Native and Invasive Grass Species. C. E. Afflerbach*, K. Schultz, E. Tansey, E. Kwessi, K. G. Lyons; Trinity University, San Antonio, TX (92)

 

†Moving Beyond Basic Risk Assessments: A Dynamic Spatial-Temporal Model to Mitigate Bioenergy Crop Invasion Risk. D. R. Tekiela*, E. Dolette, M. Ho, J. N. Barney; Virginia Tech, Blacksburg, VA (93)

 

†A Hydrothermal Model for the Ornamental Grass Miscanthus sinensis Shows Broad Tolerance to Temperature and Water Potential Stress. R. F. Dougherty*, G. Welbaum, J. N. Barney; Virginia Tech, Blacksburg, VA (94)

 

†Predicting Cyperus difformis Emergence for Improved Control Timing in Rice Fields. R. M. Pedroso*1, L. G. Boddy2, A. Fischer3; 1University of California at Davis, Davis, CA, 2Marrone Bio Innovations, Davis, CA, 3University of California, Davis, Davis, CA (95)

 

Evolutionary Insights into the Origins of Weediness in U.S. Red Rice. D. R. Gealy*1, Y. Liu2, C. Vigueira3, Y. Jia4, A. Caicedo5, N. R. Burgos6, K. Olsen3; 1USDA-ARS, Stuttgart, AR, 2University of Arkansas, Stuttgart, AR, 3Washington University, St. Louis, MO, 4USDA-ARS, DBNRRC, Stuttgart, AR, 5University of Massachusetts, Amherst, MA, 6University of Arkansas, Fayetteville, AR (96)

 

†Expanding the Niche: The Role of Nutrient-limiting Soils and Invasiveness in Perennial Grasses. M. Ho*, L. L. Smith, J. N. Barney; Virginia Tech, Blacksburg, VA (97)

 

Effect of Herbicide Application with Select Mechanisms of Action on Total Phenol Production in Wheat  . C. P. Tarouco*1, M. Nohatto2, C. Oliveira2, R. Manica-Berto2, D. Agostinetto2, S. A. Senseman1; 1Texas A&M University, College Station, TX, 2UFPel, Pelotas, Brazil (98)

 

Rhizosphere Microbial Community Dynamics in Glyphosate-Treated Resistant and Susceptible Biotypes of Giant Ragweed (Ambrosia trifida). J. R. Schafer*, S. G. Hallett, W. G. Johnson; Purdue University, West Lafayette, IN (99)

 

The Local Dynamics and Spread of Giant Goldenrod (Solidago gigantea) in Hungary. E. Rauschert*1, R. Pal2, Z. Botta-Dukt3; 1St. Mary's College of Maryland, St. Mary's City, MD, 2University of Pcs, Pcs, Hungary, 3Hungarian Academy of Sciences, Vcrtt, Hungary (100)

 

Next Generation Sequencing Analysis of Goosegrass (Eleusine indica) Biotypes. S. Chen*, J. McElroy, M. R. Liles, J. E. Bond, F. Dane; Auburn University, Auburn, AL (101)

 

ALS Resistance in Prickly Lettuce after 30 Years of ALS Inhibitor Use. M. Barco, A. J. Raeder*, A. Aramrak, J. L. Bell, I. C. Burke; Washington State University, Pullman, WA (102)

 

DuPont's Perspectives on Managing Weed Resistance in Northeastern States. D. Saunders*1, H. A. Flanigan2, G. Hannig3; 1DuPont Crop Protection, Johnston, IA, 2DuPont Crop Protection, Greenwood, IN, 3DuPont Crop Protection, Rochester, NY (103)

 

Oh Treatment Mean Difference – Where Art Thou? Multiple Contrast Tests at the Rescue. A. Legere*1, C. Stevenson2; 1AAFC, Saskatoon, SK, 2Private Consultant, Saskatoon, SK (104)




TUESDAY  MORNING    FEBRUARY 5

Section 10. Biocontrol of Weeds

 

*PRESENTER

 

Ornamental Weed Control with Bio-herbicides and Bio-rational Approaches. H. M. Mathers, M. M. Bigger*; Ohio State University, Columbus, OH (105)

 

Johnson Grass Biological Control Using Soil Entomopathogenic Fungi. G. Lampugnani, C. Abramoff, M. Stocco, M. S. Zuluaga, C. Mnaco, H. A. Acciaresi*; Facultad Ciencias Agrarias y Forestales, La Plata, Argentina (106)

 

Biological Control Program for Mile-a-Minute Weed (Persicaria perfoliata) in Connecticut. T. L. Mervosh*1, C. A. Cheah2, D. R. Ellis3; 1Connecticut Agricultural Experiment Station, Windsor, CT, 2The Connecticut Agricultural Experiment Station, Windsor, CT, 3University of Connecticut, Storrs, CT (107)




TUESDAY  MORNING    FEBRUARY 5

Section 11. Physiology

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Effect of Water Quality on Glyphosate Efficacy. M. R. Manuchehri*1, P. A. Dotray1, T. S. Morris2, W. Keeling2; 1Texas Tech University, Lubbock, TX, 2Texas A&M AgriLife Research, Lubbock, TX (108)

 

Application of Colorimetric Assay to Detect Glyphosate Sensitivity in Plant Tissues. K. Kretzmer*1, D. L. Shaner2, R. D. Sammons3; 1Monsanto Company, St Louid, MO, 2USDA, Fort Collins, CO, 3Monsanto, St. Louis, MO (109)

 

Methods to Study the Inheritance of Amplified EPSPS Gene Copies in Palmer Amaranth (Amaranthus palmeri). D. A. Giacomini*1, R. D. Sammons2, B. J. Ulmer3, T. Ulmasov2, A. Dille4, M. Dimmic2, N. Tao2, P. Westra1, S. M. Ward1; 1Colorado State University, Fort Collins, CO, 2Monsanto, St. Louis, MO, 3Syngenta, Basle, Switzerland, 4Kansas State University, Manhattan, KS (110)

 

Molecular Biological Studies of Glyphosate Resistance in Cloned Palmer Amaranth Plants. N. D. Teaster*, R. E. Hoagland; USDA-ARS, Stoneville, MS (111)

 

Bioassay and Cloning of Palmer Amaranth Biotypes to Study Glyphosate Resistance. R. E. Hoagland*, N. D. Teaster, R. H. Jordan; USDA-ARS, Stoneville, MS (112)

 

†Mutations Reduce EPSPS Sensitivity to Glyphosate in Echinochloa colona from California. M. A. Garcia*1, R. Alarcon-Reverte1, F. E. Dayan2, S. Watson2, A. Fischer3; 1UC Davis, Davis, CA, 2USDA-ARS, University, MS, 3University of California, Davis, Davis, CA (113)

 

Peroxidase Activity in Glyphosate-resistant and Susceptible Biotypes of Lolium perenne. M. E. Yanniccari*1, H. A. Acciaresi2, C. Istilart3, D. Gimenez1, A. M. Castro1; 1Plant Physiology Institute (INFIVE, UNLP-CONICET), La Plata, Argentina, 2Facultad Ciencias Agrarias y Forestales, La Plata, Argentina, 3CEI Barrow (MAA-INTA), Tres Arroyos, Argentina (114)

 

Glyphosate Resistance in Spiny Amaranth. V. K. Nandula*1, A. Wright1, J. Bond2, T. Eubank2, W. Molin1; 1USDA-ARS, Stoneville, MS, 2Mississippi State University, Stoneville, MS (115)

 

Overview of Gene Expression and Hormone Changes Associate with Glyphosate-induced Witches Brooming in Leafy Spurge. M. Dogramaci*, M. E. Foley, W. S. Chao, D. P. Horvath, J. V. Anderson; USDA_ARS, Fargo, ND (116)

 

†Physiological Analysis of Lolium multiflorum Resistant to Iodosulfuron-methyl-sodium Herbicide. F. Mariani*1, L. Vargas2, D. S. Fraga3, D. Agostinetto4, S. A. Senseman1; 1Texas A&M University, College Station, TX, 2Embrapa Trigo, Passo Fundo, Brazil, 3Universidade Federal de Pelotas, Pelotas, Brazil, 4UFPel, Pelotas, Brazil (117)

 

Evaluating Non-target-site Mechanisms of Mesotrione Resistance in a Waterhemp (Amaranthus tuberculatus) Population from Illinois. R. Ma*1, S. S. Kaundun2, T. Hawkes2, N. E. Hausman1, P. J. Tranel1, A. G. Hager1, E. McIndoe2, D. E. Riechers1; 1University of Illinois, Urbana, IL, 2Syngenta, Bracknell, Berkshire, England (118)

 

High-throughput Sequencing Identifies Bidirectional Movement of RNA Molecules Between Cuscuta and its Hosts. G. Kim*1, M. LeBlanc1, E. Wafula2, C. dePamphilis3, J. Westwood1; 1Virginia Tech, Blacksburg, VA, 2The Pennsylvania State University, Pennsylvania state, PA, 3The Pennsylvania State University, Pennylvania State, PA (119)




TUESDAY  MORNING    FEBRUARY 5

Section 12. Soil and Environmental Aspects

 

*PRESENTER

 

The Interaction Between Soil Moisture and Movement of Pyroxasulfone. D. L. Shaner*1, E. Westra2; 1USDA, Fort Collins, CO, 2Colorado State University, Fort Collins, CO (120)

 

Imidazolinone Leaching in Different Paddy Land Soil Types. J. P. Refatti*, L. A. Avila, D. Agostinetto, R. Manica, D. S. Moura, D. B. Helgueira, L. L. Cassol; UFPel, Pelotas, Brazil (121)

 

Comparison of Microbial Communities within Rhizospheres of Native Grass Species Little Bluestem, Schizachyrium scoparium, and King Ranch Bluestem, Bothriochloa ischaemum. K. M. Banick, K. Schoenemann*, F. Healy, K. G. Lyons; Trinity University, San Antonio, TX (122)

 

An Examination of the Presence and Abundance of Mycorrhizal Fungi on Native and Invasive Perennial Grass Species. C. E. Afflerbach, K. M. Banick*, K. G. Lyons; Trinity University, San Antonio, TX (123)




TUESDAY  MORNING    FEBRUARY 5

Section 13. Integrated Weed Management

 

*PRESENTER

 

Indaziflam Evaluation for Greenhouse Use. L. E. Edwards*; Auburn University, Auburn University, AL (372)

 

Palmer Amaranth Control in Established Alfalfa under Dryland and Irrigated Conditions. J. A. Putman*; Kansas State Univeresity, Manhattan, KS (124)

 

Cover Crop Influence on Weeds in Organic Dry Beans. E. C. Taylor*, K. A. Renner, C. L. Sprague; Michigan State University, East Lansing, MI (125)

 

Growth and Decomposition of 4 Cover Crops in Indiana. C. Zamorano Montanez*, K. Gibson; Purdue University, West Lafayette, IN (126)

 

The Effect of Different Rotations on Weed Flora in Potato Field. M. Serajchi*, R. Ghorbani, M. H. Rashed Mohassel, K. Shojaie; Ferdowsi University of Mashhad, Mashhad, Iran (127)

 

PAGMan - Propelled Abrasive Grit to Manage Weeds in Soybean and Corn. F. Forcella*1, D. Humburg2, S. Clay2; 1USDA, Morris, MN, 2South Dakota State University, Brookings, SD (128)

 

Pre- and Post-emergence Applications of Herbicides for Control of Festuca filiformis in Wild Blueberry Fields. D. E. Yarborough, J. L. D'Appollonio-Cote*; University of Maine, Orono, ME (129)

 

Flufenacet-Resistant Italian Ryegrass (Lolium perenne ssp. multiflorum) Populations are not Pyroxasulfone-Resistant. M. Liu*, A. G. Hulting, C. Mallory-Smith; Oregon State University, Corvallis, OR (130)

 

HPPD Resistance Testing in the USA - Preliminary Bioassay Results. T. Wilde1, R. S. Beffa*2, T. Kleven3, B. Philbrook3, H. Strek2; 1Bayer CropScience, Frankfurt, Germany, 2Bayer CropScience, Frankfurt am Main, Germany, 3Bayer CropScience, Research Triangle Park, NC (131)




TUESDAY  MORNING    FEBRUARY 5

Herbicide Application in the 21st Century

LOCATION:   Key 8
TIME:   8:45 AM - 12:00 PM
CHAIR:   Gregory Dahl
    Winfield Solutions LLC
    St. Paul, MN
MODERATOR:   Gregory Dahl
    Winfield Solutions LLC
    St. Paul, MN

 

*SPEAKER

 

8:45   Introduction

 

8:50   Drift Reduction Technology vs. Field Weed Control Efficacy. B. Bagley*; Wilbur Ellis, San Antonio, TX (132)

 

9:10   Setting the Stage for Herbicide Application in the 21st Century. G. K. Dahl*; Winfield Solutions LLC, St. Paul, MN (133)

 

9:30   EPA DRT Update and Program Review. J. S. Ellenburger*; Environmental Protection Agency, Washington, DC (134)

 

9:50   Study Design, Date Generation, and Interpretation of Drift Studies. G. R. Kruger*1, B. K. Fritz2, C. Hoffman2, A. J. Hewitt3; 1University of Nebraska-Lincoln, North Platte, NE, 2USDA-ARS Area Wide Pest Management Research Unit, College Station, TX, 3University of Queensland, Lincoln University, Christchurch, Australia (135)

 

10:10   Bridging Drift Reduction Technology with Tools for Improving Herbicide Applications and Applicator Stewardship. L. C. Magidow*1, S. Wedryk2; 1Winfield Solutions, River Falls, WI, 2Winfield Solutions, LLC, St. Paul, MN (136)

 

10:30   Understanding the Details Surrounding Droplet Formation. C. Hoffman*1, B. K. Fritz2; 1USDA-ARS Area Wide Pest Management Research, College Station, TX, 2USDA-ARS Area Wide Pest Management Research Unit, College Station, TX (137)

 

10:50   Standards of Adjuvants and Pesticide Applicatoin Testing. C. Elsik*; Huntsman Corporation, The Woodlands, TX (138)

 

11:10   Water Quality: Is it Just Water? A. J. Kazmierczak*, R. Zollinger, J. D. Nalewaja; North Dakota State University, Fargo, ND (139)

 

11:30   Talking About Efficacy:  Issues Associated with Spray Quality. Herbicide Efficacy. B. G. Young*; Southern Illinois University, Carbondale, IL (140)




TUESDAY  MORNING    FEBRUARY 5

NEWSS Graduate Student Paper Contest

LOCATION:   Key 11/12
TIME:   8:45 AM - 11:45 AM
MODERATOR:   Angela Post
    Virginia Tech
    Blacksburg, VA

 

*SPEAKER     † STUDENT CONTEST

 

8:45   †Selective Bermudagrass Control in Cool Season Turf with Topramezone. M. Cox*1, S. D. Askew1, K. Venner1, K. Miller2; 1Virginia Tech, Blacksburg, VA, 2BASF, Richmond, VA (141)

 

9:00   †Late Winter Applications Improve Ethephon Efficacy for Annual Bluegrass Seedhead Suppression . A. N. Smith*, S. D. Askew; Virginia Tech, Blacksburg, VA (142)

 

9:15   †Influence of Cultural Practices and Methiozolin Programs on Creeping Bentgrass Putting Green Recovery . K. Venner*1, S. D. Askew1, S. Koo2; 1Virginia Tech, Blacksburg, VA, 2Moghu Research Center, Daejeon, South Korea (143)

 

9:30   †Phenology of Monoecious Hydrilla in North Carolina Over Three Years. R. J. Richardson, S. T. Meadows*; North Carolina State University, Raleigh, NC (144)

 

9:45   †Novel Combinations of Herbicides for Control in Amaranthus palmeri. R. E. Paynter*, W. J. Everman, J. Burton; North Carolina State University, Raleigh, NC (145)

 

10:00   †Pokeweed Biology and Management in Pennsylvania Field Crops. K. M. Patches*1, W. Curran2; 1The Pennsylvania State University, University Park, PA, 2Penn State University, University Park, PA (146)

 

10:15   Break

 

10:30   Alternative Use of PPO Herbicides in High-Yield Soybean Management. J. M. Orlowski*, C. Lee; University of Kentucky, Lexington, KY (147)

 

10:45   †Different N Sources, Rates, and Weed Removal Timing Impact N Content in Corn and Weeds. A. M. Knight*, W. J. Everman, D. Jordan, R. Heiniger, T. J. Smyth; North Carolina State University, Raleigh, NC (148)

 

11:00   †Effects of Plant Population, Row Spacing and Herbicide Programs on Weed Management in Sorghum. T. E. Besancon*, R. Riar, R. Weisz, R. Heiniger, W. J. Everman; North Carolina State University, Raleigh, NC (149)

 

11:15   †The Role of Weedy Flora in Supporting Native Bees in Pennsylvania Apple Orchards. M. Kammerer*1, D. Biddinger2, D. Mortensen3; 1Penn State University, State College, PA, 2Penn State University, Biglerville, PA, 3Penn State University, University Park, PA (150)

 

11:30   †Effects of Simulated Dicamba Herbicide Drift on Field-edge Plant Communities. J. Egan*1, D. Mortensen2; 1Pennsylvania State University, University Park, PA, 2Penn State University, University Park, PA (151)




TUESDAY  MORNING    FEBRUARY 5

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

LOCATION:   Key 10
TIME:   8:45 AM - 12:00 PM
CHAIR:   Ernest Dickens
    The University of Georgia
    Statesboro, GA
MODERATOR:   Ernest Dickens
    The University of Georgia
    Statesboro, GA

 

*SPEAKER

 

8:45   Control of Natural Pines using Viewpoint, Streamline, and Krenite. A. W. Ezell*, A. B. Self; Mississippi State University, Starkville, MS (152)

 

9:00   Foliar Rates of Aminocyclopyrachlor Blends for Japanese Honeysuckle, Trumpet Creeper and Greenbriar Brownout. J. L. Yeiser*, J. Grogan; Stephen F Austin State University, Nacogdoches, TX (153)

 

9:15   Control of Hickory, Red Maple, Sumac, Red Oaks, and Other Hardwood Species Using Basal Bark Applications of MAT-28. A. W. Ezell*, A. B. Self; Mississippi State University, Starkville, MS (154)

 

9:30   Evaluation of Indaziflam and Other Preemergence Herbicide Combinations for Bareground Weed Control. J. Johnson*, A. E. Gover, D. A. Despot, J. C. Sellmer; Penn State University, University Park, PA (155)

 

9:45   Effectiveness of Aminocyclopyrachlor for Basal Bark and Cut Surface Treatments. J. Johnson*, D. A. Despot, J. C. Sellmer; Penn State University, University Park, PA (156)

 

10:00   Weed Control in Range and Pasture with Aminocyclopyrachlor. V. A. Kleczewski*1, G. Hannig2, R. W. Williams3; 1DuPont Crop Protection, Westampton, NJ, 2DuPont Crop Protection, Rochester, NY, 3DuPont Crop Protection, Raleigh, NC (157)

 

10:15   Break

 

10:30   Hybrid Toadflax: A Major Management Problem? S. M. Ward*1, M. F. Turner1, S. E. Sing2; 1Colorado State University, Fort Collins, CO, 2U.S. Forest Service, Bozeman, MT (158)

 

10:45   Aminopyralid (MilestoneTM) Utility in Rangeland Restoration Programs. M. B. Halstvedt1, V. F. Peterson2, R. A. Masters*3, L. A. Brinkworth4; 1Dow AgroSciences LLC, Billings, MT, 2Dow AgroSciences, Mulino, OR, 3Dow AgroSciences, Indianapolis, IN, 4Dow AgroSciences LLC, Dublin, Ireland (159)

 

11:00   Fall and Spring Applications for Tall Fescue (Festuca arundinacea) Seedhead Suppression: An Update. J. Omielan*, W. Witt; University of Kentucky, Lexington, KY (160)

 

11:15   Comparison of Herbicide and Mowing Regimes for Control of Canada Thistle in Grass Groundcover. J. Johnson*, D. A. Despot, K. L. Lloyd, J. C. Sellmer; Penn State University, University Park, PA (161)

 

11:30   ROW Monitoring to Protect Sensitive Vegetation and Environments. N. Cain*; Cain Vegetation Inc., Acton, ON (162)

 

11:45   Section Business Meeting

 

12:00   Lunch




TUESDAY  MORNING    FEBRUARY 5

Section 9. Weed Biology and Ecology

LOCATION:   Key 7
TIME:   8:45 AM - 11:45 AM
CHAIR:   David Gealy
    USDA-ARS
    Stuttgart, AR
MODERATOR:   David Gealy
    USDA-ARS
    Stuttgart, AR

 

*SPEAKER     † STUDENT CONTEST

 

8:45   Occurrence of Arable Weed Species in Roadside Habitats: Implications for Herbicide-Resistance Management. M. V. Bagavathiannan*, J. K. Norsworthy; University of Arkansas, Fayetteville, AR (163)

 

9:00   Genetic Relationships of Southeastern United States Herbicide Resistant A. palmeri Populations. L. Lorentz*1, T. A. Gaines2, A. Figge3, R. Paul3, M. Hess3, P. Westra4, H. Strek1, R. Beffa1; 1Bayer CropScience, Frankfurt am Main, Germany, 2University of Western Australia, Crawley, WA, Australia, 3Bayer CropScience, Frankfurt, Germany, 4Colorado State University, Fort Collins, CO (164)

 

9:15   Evolution of EPSPS in Palmer amaranth as Impacted by Glyphosate Selection Pressure. N. R. Burgos*1, A. L. Lawton-Rauh2, E. L. Alcober3, K. Beard2, T. Tseng1, P. J. Tranel4; 1University of Arkansas, Fayetteville, AR, 2Clemson University, Clemson, SC, 3Visayas State University, Leyte, Philippines, 4University of Illinois, Urbana, IL (165)

 

9:30   Glyphosate-resistant Conyza spp. in Perennial Crops in Greece: Mechanisms of Resistance and Control Strategies. D. Chachalis*1, E. Tani1, I. Travlos2, J. Costa3, R. D. Sammons4; 1Benaki Phytopathological Institute, Athens, Greece, 2Agricultural University of Athens, Athens, Greece, 3Monsanto Agricultura Espaa SL, Madrid, Spain, 4Monsanto, St. Louis, MO (166)

 

9:45   Germination of a Variety of International Populations of Conyza canadensis. E. Tozzi*1, R. Van Acker2; 1University Of Guelph, Guelph, ON, 2University of Guelph, Guelph, ON (167)

 

10:00   QTL Analysis of Weedy Prickly Lettuce Traits. I. C. Burke*, J. L. Bell, M. Neff; Washington State University, Pullman, WA (168)

 

10:15   Break

 

10:30   Weedy Biotypes as a Source of Genetic and Phenotypic Characteristics for Adapting Crops to Rising Carbon Dioxide and Climate Change. L. H. Ziska*; USDA-ARS, Beltsville, MD (169)

 

10:45   Carbon Dioxide, Climate Change and Crop-Weed Interactions: The Role of Photosynthetic Pathway. . L. H. Ziska*; USDA-ARS, Beltsville, MD (170)

 

11:00   Can Rising CO2 Levels Alter Gene Flow Between Crops and Weeds? L. H. Ziska*1, D. R. Gealy2, H. Black2, A. Jackson2; 1USDA-ARS, Beltsville, MD, 2USDA-ARS, Stuttgart, AR (171)

 

11:15   Hybridization between Clearfield® Wheat and Jointed Goatgrass (Aegilops cylindrica): Results of a 2-year Survey. B. A. Martins*, C. Mallory-Smith; Oregon State University, Corvallis, OR (172)

 

11:30   Contrasting Origins and Population Connectivities of Weedy Rice and Cultivated Rice in Arkansas versus California: Escape to Ferality? A. L. Lawton-Rauh*1, N. R. Burgos2, A. Fischer3; 1Clemson University, Clemson, SC, 2University of Arkansas, Fayetteville, AR, 3University of California, Davis, Davis, CA (173)




TUESDAY  MORNING    FEBRUARY 5

Section 13. Integrated Weed Management

LOCATION:   Key 9
TIME:   9:15 AM - 11:45 AM
CHAIR:   Jonathan Huff
    Dow AgroSciences
    Herrin, IL
MODERATOR:   Jonathan Huff
    Dow AgroSciences
    Herrin, IL

 

*SPEAKER

 

9:15   Presence and Characterization of Glyphosate-Resistance Common Waterhemp and Palmer Amaranth in Kansas. J. A. Putman*; Kansas State Univeresity, Manhattan, KS (174)

 

9:30   Herbicide and Cover Crop Residue Integration for Amaranthus Control in Conservation Agriculture Cotton and Implications for Resistance Management. A. J. Price*1, K. S. Balkcom1, L. M. Duzy1, J. A. Kelton2; 1USDA-ARS, Auburn, AL, 2Auburn University, Auburn, AL (175)

 

9:45   HPPD Resistance Testing in the USA - Preliminary Laboratory Results. R. S. Beffa*1, B. Laber2, T. Wilde2, H. Menne2, T. Kleven3, B. Philbrook3, H. Strek1; 1Bayer CropScience, Frankfurt am Main, Germany, 2Bayer CropScience, Frankfurt, Germany, 3Bayer CropScience, Research Triangle Park, NC (176)

 

10:00   Preemption, Predation and Burial: Managing the Weed Seedbank. E. Gallandt*, R. Jabbour; University of Maine, Orono, ME (177)

 

10:15   Break

 

10:45   Mental Models of Organic Weed Management: Links Between Farmer Knowledge, Perceptions, and Weed Seedbanks. R. Jabbour*1, S. Zwickle2, E. Gallandt1, K. McPhee1, R. Wilson2, D. Doohan3; 1University of Maine, Orono, ME, 2Ohio State University, Columbus, OH, 3The Ohio State University, Wooster, OH (178)

 

11:00   Effects of Soil Fertility and Tillage on Weeds in a Long-term Cash Grain Cropping Systems Experiment. C. Marschner, M. Ryan*, C. L. Mohler, B. Caldwell, L. Drinkwater; Cornell University, Ithaca, NY (179)

 

11:15   Impact of a Two Year Crop Rotation and Mechanical Control on Weeds in Tomato. C. Zamorano Montanez*, K. Gibson; Purdue University, West Lafayette, IN (180)

 

11:30   Section Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 5

Herbicide Resistance Management - The Path Forward

LOCATION:   Key 8
TIME:   1:00 PM - 5:00 PM
CHAIR:   David Shaw
    Mississippi State University
    Mississippi State, MS
MODERATOR:   David Shaw
    Mississippi State University
    Mississippi State, MS

 

*SPEAKER

 

1:00   Introductory Remarks. D. R. Shaw*; Mississippi State University, Mississippi State, MS (181)

 

1:20   Weed Resistance: How We Got Into This Mess. H. D. Coble*; USDA, Raleigh, NC (182)

 

1:40   Evolution of Herbicide Resistance. J. S. Holt*; University of California, Riverside, CA (183)

 

2:00   Best Management Practices and Recommendations. J. K. Norsworthy*; University of Arkansas, Fayetteville, AR (184)

 

2:20   Panel Discussion-Herbicide-Resistant Crops: Solution or Extension of the Problem? S. O. Duke*1, D. Mortensen2, M. Peterson3, A. Asmus4, J. K. Soteres5; 1USDA, ARS, Oxford, MS, 2Penn State University, University Park, PA, 3Dow AgroSciences, West Lafayette, IN, 4Asmus Farm Supply, Inc., Take, IA, 5Monsanto Company, St. Louis, MO (185)

 

2:40   Panel Discussion - Socio-economic Dimensions of Resistance Management. R. Jussaume*1, T. Hurley2, D. Ervin3, G. Frisvold4; 1Michigan State University, East Lansing, MI, 2University of Minnesotat, St. Paul, MN, 3Portland State University, Portland, OR, 4University of Arizona, Tuscon, AZ (186)

 

3:00   Panel Discussion - Federal Agency Perspectives on Herbicide Resistance. S. M. Koehler*1, B. Chism2, J. Lydon3, N. Widman4, M. A. Bowers5; 1USDA-APHIS, Riverdale, MD, 2EPA, Washington, DC, 3USDA, ARS, NPS, Beltsville, MD, 4USDA-NRCS, Washington, DC, 5National Institute of Food and Agriculture, Washington, DC (187)

 

3:20   USDA APHIS' Roles Regarding Herbicide Resistant Crops and Herbicide Resistance Management. S. M. Koehler*; USDA-APHIS, Riverdale, MD (188)

 

3:40   How Do We Measure Success in the Management of Herbicide Resistant Weeds? M. A. Bowers*; National Institute of Food and Agriculture, Washington, DC (189)

 

4:00   Summary and Conclusions about the Path Forward. J. Schroeder*; New Mexico State University, Las Cruces, NM (190)




TUESDAY  AFTERNOON    FEBRUARY 5

NEWSS Graduate Student Paper Contest

LOCATION:   Key 11/12
TIME:   1:00 PM - 4:30 PM
MODERATOR:   Angela Post
    Virginia Tech
    Blacksburg, VA

 

*SPEAKER     † STUDENT CONTEST

 

1:00   †A Design for Selecting Novel Biocontrol Agents from Soil. K. W. Panke-Buisse*, J. T. Kao-Kniffin; Cornell University, Ithaca, NY (191)

 

1:15   †Reducing Herbicide Use in a Diverse No-Till Cropping System. E. M. Snyder*1, W. Curran2, H. Karsten3, G. Malcolm3; 1Pennsylvania State University, University Park, PA, 2Penn State University, University Park, PA, 3The Pennsylvania State University, University Park, PA (192)

 

1:30   †Weed Suppression and Organic Soybean Performance As Influenced by Rye Cultivars in the "Roll-Killed" Cover-Crop System. M. Wells*1, S. Reberg-Horton2, C. Brinton3; 1NCSU Crop Science, Raleigh, NC, 2North Carolina State University, Raleigh, NC, 3NCSU, Raleigh, NC (193)

 

1:45   †Reliance on Cover Crops for Organic Weed Control in the Mid-Atlantic. C. L. Keene*1, W. Curran2, M. Ryan3, S. Mirsky4, M. VanGessel5, M. Dempsey6, B. Scott5, L. Young4; 1The Pennsylvania State University, State College, PA, 2Penn State University, University Park, PA, 3Cornell University, Ithaca, NY, 4USDA-ARS, Beltsville, MD, 5University of Delaware, Georgetown, DE, 6The Pennsylvania State University, University Park, PA (194)

 

2:00   †Effects of Different Cutting Methods and Timing on Seed Viability and Germination of Three Annual Weed Species. F. Kordbacheh*1, C. L. Mohler2, A. DiTommaso2, H. Rahimian Mashhadi1; 1University of Tehran, Tehran, Iran, 2Cornell University, Ithaca, NY (195)

 

2:15   †Is Controlling Japanese Stiltgrass Worth It? Forest Understory Community Response. D. R. Tekiela*, A. R. Post, S. D. Askew, J. N. Barney; Virginia Tech, Blacksburg, VA (196)

 

2:30   †Preliminary Studies on Seed Dispersal of Swallow-wort (Vincetoxicum spp.). C. A. Stokes*1, A. DiTommaso1, C. L. Mohler1, L. R. Milbrath2; 1Cornell University, Ithaca, NY, 2USDA-ARS, Ithaca, NY (197)

 

2:45   †Effects of Timing and Frequency of Flame Cultivation Treatments on Dewberry. K. M. Ghantous*1, H. A. Sandler2, W. R. Autio1; 1University of Massachusetts Amherst, Amherst, MA, 2University of Massachusetts Amherst, East Wareham, MA (198)

 

3:00   Break

 

3:15   †The Invasion Cliff: The Interaction Between Propagule Pressure and Invasiveness. M. Ho*, L. L. Smith, J. N. Barney; Virginia Tech, Blacksburg, VA (199)

 

3:30   †Parameterizing the First Stage of Invasion: Evaluation of Miscanthus x giganteus Seed Establishment . L. L. Smith*, J. N. Barney; Virginia Tech, Blacksburg, VA (200)

 

3:45   †Naturalized Biotypes of Miscanthus Sinensis Show Greater Tolerance to Light and Moisture Stress than Ornamental Cultivars. R. F. Dougherty*1, L. Quinn2, T. Voigt2, J. N. Barney1; 1Virginia Tech, Blacksburg, VA, 2University of Illinois Urbana-Champaign, Urbana-Champaign, IL (201)

 

4:00   †Tolerance of Arundo donax to Postemergence Herbicides. B. A. Hicks*1, W. J. Everman1, S. Brake2; 1North Carolina State University, Raleigh, NC, 2Biofuels Center of North Carolina, Oxford, NC (202)

 

4:15   Synthesis and evaluation of potential herbicidal activity of novel chemistry in corn and various weed species. J. J. Vargas*1, J. T. Brosnan1, G. R. Armel2, M. D. Best3, C. Do-Thanh1; 1The University of Tennessee, Knoxville, TN, 2BASF, Raleigh, NC, 3University of Tennessee, Knoxville, TN (203)




TUESDAY  AFTERNOON    FEBRUARY 5

Section 5. Wildland and Aquatic Invasive Plants

LOCATION:   Key 9
TIME:   1:15 PM - 4:00 PM
CHAIR:   Atul Puri
    DuPont Crop Protection
    Newark, DE
MODERATOR:   Atul Puri
    DuPont Crop Protection
    Newark, DE

 

*SPEAKER

 

1:15   Demographic Matrix Model for Informing Swallow-wort (Vincetoxicum spp.) Biological Control. L. R. Milbrath*1, J. Biazzo1, A. Davis2; 1USDA-ARS, Ithaca, NY, 2USDA-ARS, Urbana, IL (204)

 

1:30   The Growing Threat of the Submersed Invasive Aquatic Weed Hydrilla verticillata in the Northern US and the Successful Use of Sonar® Aquatic Herbicide (a.i., Fluridone) for Containment and Eradication. M. A. Heilman*, T. J. Koschnick; SePRO Corporation, Carmel, IN (205)

 

1:45   Comparison of Herbicide Mixtures for Exotic Shrub Suppression in Wildland Settings. A. E. Gover*1, R. K. Wagoner2, J. L. Huffman3; 1Penn State University, University Park, PA, 2PA Dept. of Conservation and Natural Resources, Harrisburg, PA, 3University of Illinois, Urbana, IL (206)

 

2:00   Can We Enhance Suppression of Reed Canarygrass by Glyphosate-based Treatments in Revegetation Settings? A. E. Gover*1, J. L. Huffman2; 1Penn State University, University Park, PA, 2University of Illinois, Urbana, IL (207)

 

2:15   Integrated Tamarisk (Tamarix spp.) Management: Comparing Strategies and Their Ecological Impact. C. Douglass*, S. Nissen; Colorado State University, Fort Collins, CO (208)

 

2:30   Community Assembly and the Interplay Between Invasive Plants and Abundant Deer. K. Averill*1, D. Mortensen2; 1Penn State, University Park, PA, 2Penn State University, University Park, PA (209)

 

2:45   Break

 

3:15   A Novel Method to Detect and Quantify Non-riparian Water Dispersal of the Invasive Grass Microstegium vimineum. D. R. Tekiela*, J. N. Barney; Virginia Tech, Blacksburg, VA (210)

 

3:30   Understanding the Origins of the Invasive Australian Aquatic Weed, Delta Arrowhead (Sagittaria platyphylla, Alismataceae), to Improve Management and Control. L. M. Broadhurst*1, R. Kwong2; 1CSIRO, Canberra, Australia, 2Department of Primary Industries Victoria, Melbourne, Australia (211)

 

3:45   Section Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 5

Section 8. Formulation, Adjuvant and Application Technology

LOCATION:   Key 7
TIME:   1:15 PM - 4:15 PM
CHAIR:   Greg Kruger
    University of Nebraska-Lincoln
    North Platte, NE
MODERATOR:   Greg Kruger
    University of Nebraska-Lincoln
    North Platte, NE

 

*SPEAKER

 

1:15   Science of Pesticide Application Technology. R. N. Klein*; University of Nebraska, North Platte, NE (212)

 

1:30   Simulated Spray Drift versus Spray Tank Contamination Studies: What are the Differences and Why does it Matter? P. A. Banks*1, T. C. Mueller2, J. Schroeder3; 1Marathon-Agric. & Environ. Consulting, Inc., Las Cruces, NM, 2University of Tennessee, Knoxville, TN, 3New Mexico State University, Las Cruces, NM (213)

 

1:45   Determination in a Wind Tunnel of the Effect of Nozzle Selection on Droplet Size Spectra for Spray Solutions Containing Dicamba and Glyphosate. T. B. Orr*1, K. M. Remund1, J. N. Travers2, A. J. Hewitt3; 1Monsanto Company, St Louis, MO, 2Monsanto Co., St. Louis, MO, 3University of Queensland, Lincoln University, Christchurch, Australia (214)

 

2:00   Efficacy of Ten Herbicides Using a Conventional Sprayer and an Ultra-low Volume Sprayer . J. Ferguson*1, R. E. Gaussoin1, J. A. Eastin2, R. S. Henry3, G. Kruger3; 1University of Nebraska-Lincoln, Lincoln, NE, 2Kamterter LLC, Waverly, NE, 3University of Nebraska-Lincoln, North Platte, NE (215)

 

2:15   A Comparison of AI and TTI Nozzles to Mitigate Off-Target Movement of Dicamba Under Field Conditions . J. L. Cobb1, D. B. Reynolds*1, J. K. Norsworthy2, L. E. Steckel3, A. Mills4, R. Montgomery5, J. Sandbrink6, K. M. Remund7; 1Mississippi State University, Mississippi State, MS, 2University of Arkansas, Fayetteville, AR, 3University of Tennessee, Jackson, TN, 4Monsanto, Collierville, TN, 5Monsanto, Union City, TN, 6Monsanto, St. Louis, MO, 7Monsanto Company, St Louis, MO (216)

 

2:30   Impact of Spray Nozzle Technology on Enlist Duo Weed Control and Crop Tolerance. J. A. Huff*1, L. L. Walton2, J. Richburg3, D. Ruen4; 1Dow AgroSciences, Herrin, IL, 2Dow AgroSciences, Tupelo, MS, 3Dow AgroSciences, Headland, AL, 4Dow AgroSciences, Lanesboro, MN (217)

 

2:45   Enhancement of Herbicide Activity with Nano Technology. C. J. Swanton*1, K. Chandler1, C. Hall2, D. Anderson3; 1University of Guelph, Guelph, ON, 2The University Of Guelph, Guelph, ON, 3Vive Crop Protection, Guelph, ON (218)

 

3:00   Break

 

3:15   Advancements in Developing Roundup® Xtend™ Glyphosate/ Dicamba Premix Formulations. A. MacInnes*1, J. Sandbrink1, D. R. Wright1, J. A. Kendig1, E. Urbancyzk-Wochniak1, D. A. Findley1, J. N. Travers2; 1Monsanto, St. Louis, MO, 2Monsanto Co., St. Louis, MO (219)

 

3:30   A Survey on Efficiency of Various Adjuvants on Nicosulfuron Efficiency in Corn Field. A. R. Ghafouri*1, M. A. Baghestani2, E. E. Zand3, J. J. Daneshian4, H. K. Kishani Farahani5; 1Islamic Azad Uuniversity, Takestan Branch, Iran, Tehran, Iran, 22Department of Weed Research, Plant Protection Research Institute, Iran, Tehran, Iran, 3Department of Weed Research, Plant Protection Research Institute, Iran, Tehran, Iran, 4Seed and Plant Improvement Institute, Oil Seeds, Iran, Karaj, Iran, 5University of Tehran, Karaj, Iran, Tehran, Iran (220)

 

3:45   Images from Unmanned Aircraft Systems (UAS) are Useful to Assess Herbicide Efficacy. J. C. Streibig*, J. Rasmussen, J. Nielsen; University of Copenhagen, Taastrup, Denmark (221)

 

4:00   Section Business Meeting




TUESDAY  AFTERNOON    FEBRUARY 5

WSSA Business Meeting

LOCATION:   Key 10
TIME:   5:00 PM - 6:00 PM
MODERATOR:   Rodney Lym
    North Dakota State University
    Fargo, ND

 





WEDNESDAY  MORNING    FEBRUARY 6

Re-aligning Your Course to Improve Student Learning

LOCATION:   Key 9
TIME:   8:45 AM - 12:00 PM
CHAIR:   Joe Dauer
    Michigan State University
    East Lansing, MI
MODERATOR:   Joe Dauer
    Michigan State University
    East Lansing, MI

 

*SPEAKER



WEDNESDAY  MORNING    FEBRUARY 6

Section 1. Agronomic Crops

LOCATION:   Key 8
TIME:   8:45 AM - 12:00 PM
CHAIR:   Vince Davis
    University of Wisconsin
    Madison, WI
MODERATOR:   Vince Davis
    University of Wisconsin
    Madison, WI

 

*SPEAKER     † STUDENT CONTEST

 

8:45   Early Physiological Mechanisms of Weed Competition. C. J. Swanton*, M. Afifi; University of Guelph, Guelph, ON (222)

 

9:00   Weed Interference in Soybean:Transcriptome Analysis. S. A. Clay*1, D. P. Horvath2, S. Hansen1, D. E. Clay1; 1South Dakota State University, Brookings, SD, 2USDA_ARS, Fargo, ND (223)

 

9:15   Early Season Weed Control Shortens ASI and Prevents Kernel Loss in a Drought Tolerant Maize Hybrid. A. Reid*1, E. A. Lee1, L. Lukens1, P. Sikkema2, C. J. Swanton1; 1University of Guelph, Guelph, ON, 2The University Of Guelph, Ridgetown, ON (224)

 

9:30   Thiamethoxam as a Seed Treatment Alters the Physiological Response of Maize Seedlings to Neighboring Weeds. C. J. Swanton*, M. Afifi; University of Guelph, Guelph, ON (225)

 

9:45   Comparison of Roundup Ready and Conventional Soybean for Yield and Economic Profitability. B. L. Gaban*, T. C. Mueller; University of Tennessee, Knoxville, TN (226)

 

10:00   Palmer Amaranth Management in Enlist Cotton Systems in the Texas High Plains. M. R. Manuchehri*1, P. A. Dotray1, J. D. Reed2, W. Keeling2, J. Lee3; 1Texas Tech University, Lubbock, TX, 2Texas A&M AgriLife Research, Lubbock, TX, 3Dow AgroSciences, Lubbock, TX (227)

 

10:15   Break

 

10:30   Herbicide Programs for Glufosinate and Glyphosate-Resistant Soybean. J. M. Stachler*1, A. L. Carlson2; 1NDSU and U. of MN, Fargo, ND, 2North Dakota State University and University of Minnesota, Fargo, ND (228)

 

10:45   HPPD-inhibitor herbicide resistance in the USA – a Syngenta perspective. L. Glasgow*1, V. K. Shivrain1, G. Vail1, B. Manley2, S. S. Kaundun3, B. Miller4; 1Syngenta, Greensboro, NC, 2Syngenta, Research Triangle Park, NC, 3Syngenta, Bracknell, England, 4Syngenta, Minnetonka, MN (229)

 

11:00   Response of Palmer amaranth and Waterhemp Accessions from 10 States to Flexstar®. V. K. Shivrain*1, C. L. Dunne2, R. Jain2, L. Glasgow1, D. J. Porter1; 1Syngenta, Greensboro, NC, 2Syngenta, Vero Beach, FL (230)

 

11:15   Glyphosate- and Acetolactate Synthase Inhibitor-Resistant Kochia (Kochia scoparia) in Western Canada. H. J. Beckie*1, R. E. Blackshaw2, R. Low3, L. M. Hall3, C. A. Sauder4, S. Martin4, R. N. Brandt2, S. W. Shirriff5; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2AAFC, Lethbridge, AB, 3University of Alberta, Edmonton, AB, 4AAFC, Ottawa, ON, 5AAFC, Saskatoon, SK (231)

 

11:30   Non-Glyphosate Herbicide Programs for Kochia Management. P. Jha*, V. Kumar, N. Reichard; Montana State University, Huntley, MT (232)




WEDNESDAY  MORNING    FEBRUARY 6

Section 3. Turf and Ornamental Crops

LOCATION:   Key 10
TIME:   8:45 AM - 12:15 PM
CHAIR:   Michael Barrett
    University of Kentucky
    Lexington, KY
MODERATOR:   Michael Barrett
    University of Kentucky
    Lexington, KY

 

*SPEAKER     † STUDENT CONTEST

 

8:45   Prohibiting Pesticides on Turf: What We Have Learned from New York State. J. T. Kao-Kniffin*; Cornell University, Ithaca, NY (233)

 

9:00   †Towards Sustainable Turf: Potential Benefits of Clover Inclusion within Traditional Warm Season Turf. J. D. McCurdy*, J. McElroy, E. A. Guertal, C. W. Wood; Auburn University, Auburn, AL (234)

 

9:15   Selectivity of Methiozolin for Annual Bluegrass Control in Creeping Bentgrass as Influenced by Temperature and Application Timing. P. McCullough*1, D. Gomez de Barreda2, J. Yu1; 1University of Georgia, Griffin, GA, 2Polytechnic Unv. of Valencia, Valencia, Spain (235)

 

9:30   Ethephon Influences Creeping Bentgrass and Annual Bluegrass Response to Methiozolin. K. Venner*, A. R. Post, S. D. Askew; Virginia Tech, Blacksburg, VA (236)

 

9:45   Soil Type and Rooting Depth Effects on Amicarbazone and Methiozolin Applications for Weed Control in Creeping Bentgrass. J. Thomas*1, J. T. Brosnan2, G. K. Breeden2, B. L. Gaban1, G. Henry3, H. D. Coble4, M. Serajchi5, T. Serensits6; 1University of Tennessee, Knoxville, TN, 2The University of Tennessee, Knoxville, TN, 3University of Georgia, Athens, GA, 4USDA, Raleigh, NC, 5Ferdowsi University of Mashhad, Faculty of Agriculture, Mashhad, Iran, 6Pennsylvania State University, University Park, PA (237)

 

10:00   Primisulfuron Plus Methiozolin Combinations for Annual and Roughstalk Bluegrass Control in Kentucky Bluegrass. A. R. Post*, K. Venner, S. D. Askew; Virginia Tech, Blacksburg, VA (238)

 

10:15   Break

 

10:30   Uptake, Translocation, and Metabolism of Dithiopyr in Large and Smooth Crabgrass as Influenced by Environment, Growth Stage, and Adjuvants. D. Gomez de Barreda*1, P. McCullough2, J. Yu2; 1Polytechnic Unv. of Valencia, Valencia, Spain, 2University of Georgia, Griffin, GA (239)

 

10:45   Investigating a Suspected Oxadiazon-Resistant Goosegrass Population in Turf. D. R. Spak*1, S. D. Askew2, D. Myers3, M. Cox2, A. Parker4; 1BayerCropScience, Cary, NC, 2Virginia Tech, Blacksburg, VA, 3Bayer CropScience, Cary, NC, 4Bayer CropScience, Clayton, NC (240)

 

11:00   Uptake, Translocation, and Metabolism of Methiozolin in Five Weed Species. D. Gomez de Barreda1, P. McCullough2, J. Yu2, S. Sidhu*2; 1Polytechnic Unv. of Valencia, Valencia, Spain, 2University of Georgia, Griffin, GA (241)

 

11:15   Seedling Broadleaf Weed Control with MBI-005. J. Neal*1, R. Schiavone1, C. Harlow2; 1North Carolina State University, Raleigh, NC, 2N. C. State University, Raleigh, NC (242)

 

11:30   Dithiopyr and Florasulam Combinations for Broadleaf Weed Control in Turf. D. Loughner1, J. M. Breuninger2, V. F. Peterson*3; 1Dow AgroSciences, Lawrenceville, NJ, 2Dow AgroSciences, Indianapolis, IN, 3Dow AgroSciences, Mulino, OR (243)

 

11:45   Broadleaf Weed Management in Warm-Season Turfgrass. B. J. Brecke*, R. G. Leon, B. Unruh; University of Florida, Jay, FL (244)

 

12:00   Section Business Meeting




WEDNESDAY  MORNING    FEBRUARY 6

Section 9. Weed Biology and Ecology

LOCATION:   Key 7
TIME:   8:45 AM - 12:00 PM
CHAIR:   David Gealy
    USDA-ARS
    Stuttgart, AR
MODERATOR:   David Gealy
    USDA-ARS
    Stuttgart, AR

 

*SPEAKER     † STUDENT CONTEST

 

8:45   Predicting Weed Germination and Emergence in Rice Fields. L. G. Boddy*1, K. J. Bradford2, A. Fischer2; 1Marrone Bio Innovations, Davis, CA, 2University of California, Davis, Davis, CA (245)

 

9:00   Seedling Age Affects Critical Weed-crop Competition Period in Intensive Rice Production. A. R. Chadhar*1, M. A. Nadeem2, A. Tanveer2, M. Yaseen2, J. Cardina1; 1Ohio State University, Wooster, OH, 2University of Agriculture, Faisalabad, Faisalabad, Pakistan (246)

 

9:15   †Inter and Intraspecific Competition Effects on Stand Uniformity, Development and Yield in Maize (Zea mays L.). E. R. Page1, H. Gonzalez*2, C. J. Swanton2; 1Agriculture and Agri-Food Canada, Harrow, ON, 2University of Guelph, Guelph, ON (247)

 

9:30   Mortality of Weeds Due to Tine Weeding and Inter-row Cultivation in Corn and Soybeans. C. L. Mohler*, B. Caldwell, C. Marschner, A. DiTommaso; Cornell University, Ithaca, NY (248)

 

9:45   †Effect of Tansy Mustard on Subsequent Corn Establishment. R. Werle*1, L. L. Perez2, L. D. Sandell1, J. L. Lindquist3; 1University of Nebraska Lincoln, Lincoln, NE, 2Faculdade de Ciencias Agronomicas - UNESP, Botucatu, Brazil, 3University of Nebraska, Lincoln, NE (249)

 

10:00   When does a Soybean Seedling Meet its Neighbour? A. McKenzie-Gopsill*, E. Lee, L. Lukens, C. J. Swanton; University of Guelph, Guelph, ON (250)

 

10:15   Break

 

10:30   Estimating the Heritable Variation in Early Seedling Vigor of Soybeans for Improving Weed Suppressive Ability. S. Reberg-Horton*1, T. E. Carter2, G. T. Place3; 1North Carolina State University, Raleigh, NC, 2USDA_ARS, Raleigh, NC, 3Peace Corps, Panama City, Panama (251)

 

10:45   The Non-Native Vascular Flora at Brookhaven National Laboratory, Long Island, New York                         . R. Stalter*; St Johns University, Queens, NY (252)

 

11:00   Will the Real Impact Please Stand Up? A novel Framework for Integrating Invasive Plant Ecological Impacts. J. N. Barney*1, D. R. Tekiela1, E. S. Dollete1, B. J. Tomasek2; 1Virginia Tech, Blacksburg, VA, 2University of Illinois, Urbana, IL (253)

 

11:15   Potential Allelochemicals of the Invasive Species Carduus nutans L. and C. acanthoides L. S. O. Duke*1, A. L. Cerdeira2, C. L. Cantrell1, F. M. Silva3, N. Corniani3, E. D. Velini3, M. A. Donega4; 1USDA, ARS, Oxford, MS, 2EMBRAPA, Jaguariuna, Brazil, 3UNESP, Botucatu, Brazil, 4Univ Sao Paulo, Piracicaba, Brazil (254)

 

11:30   Mechanisms of Competition in Yellow Bluestem (Bothriochloa ischaemum). K. G. Lyons*; Trinity University, San Antonio, TX (255)




WEDNESDAY  MORNING    FEBRUARY 6

Section 12. Soil and Environmental Aspects

LOCATION:   Key 11/12
TIME:   8:45 AM - 10:15 AM
CHAIR:   Mark Bernards
    Western Illinois University
    Macomb, IL
MODERATOR:   Mark Bernards
    Western Illinois University
    Macomb, IL

 

*SPEAKER

 

8:45   Effect of Flooding on Atrazine Dissipation in Soil. T. C. Mueller*, D. R. Kincer; University of Tennessee, Knoxville, TN (256)

 

9:00   Adsorption and Desorption of Pyroxsulam in Inland Pacific Northwest Silt Loam Soils. A. J. Raeder*1, I. C. Burke1, J. Yenish2, R. E. Gast3; 1Washington State University, Pullman, WA, 2Dow AgroSciences, Billings, MT, 3Dow AgroSciences, Indianapolis, IN (257)

 

9:15   XDE-729 Methyl: Fate in Monocot Species and Soil. N. M. Satchivi*1, G. J. de Boer1, A. C. McVeigh2, M. J. Hastings1, M. R. Weimer1; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences, Inidianapolis, IN (258)

 

9:30   Emerging Rhizosphere Molecular Techniques for Selective Weed Control. S. C. Carver*, J. T. Kao-Kniffin; Cornell University, Ithaca, NY (259)

 

9:45   Social and Climate Changes as Major Threats to the Weed Biodiversity of High Altitude Northwest Region in Pakistan. M. A. Khan*; Agricultural University Peshawar, Peshawar, Pakistan (260)

 

10:00   Section Business Meeting




WEDNESDAY  MORNING    FEBRUARY 6

Graduate Student Professional Development Workshop

LOCATION:   Key 9
TIME:   10:30 AM - 12:00 PM

 





WEDNESDAY  MORNING    FEBRUARY 6

Section 7. Education and Extension

LOCATION:   Key 11/12
TIME:   10:30 AM - 12:15 PM
CHAIR:   Eric Prostko
    University of Georgia
    Tifton, GA
MODERATOR:   Eric Prostko
    University of Georgia
    Tifton, GA

 

*SPEAKER

 

10:30   The Importance of Herbicides in Worldwide Crop Production. L. Gianessi*; CropLife Foundation, Washington, DC (261)

 

10:45   Teaching Weed Science at Pyongyang University of Science and Technology, Pyongyang, DPRK. D. Doohan*; The Ohio State University, Wooster, OH (262)

 

11:00   Challenges in Conducting and Success in Demonstrating Herbicide Persistence and Carryover Research and Principles. W. Curran*1, C. S. Dillon1, D. Lingenfelter2; 1Penn State University, University Park, PA, 2Penn State, University Park, PA (263)

 

11:15   Economic and Agronomic Considerations of Glyphosate Resistant Weed Management in a Sugar Beet Cropping System. D. W. Morishita*, D. L. Shouse; University of Idaho, Kimberly, ID (264)

 

11:30   Update of Herbicide Resistances in Common Waterhemp: An Iowa Perspective. M. D. Owen*; ISU, Ames, IA (265)

 

11:45   Preparing for Off-Target Movement of 2,4-D, Dicamba, and Glufosinate from Cotton/Soybean Fields to Peanut Fields. E. P. Prostko*, T. L. Grey, R. M. Merchant, P. M. Eure; University of Georgia, Tifton, GA (266)

 

12:00   Section Business Meeting




WEDNESDAY  AFTERNOON    FEBRUARY 6

Graduate Student Luncheon

LOCATION:   Key 9
TIME:   12:00 PM - 1:00 PM
MODERATOR:   Kurt Vollmer
    Virginia Tech
    Painter, VA

 





WEDNESDAY  AFTERNOON    FEBRUARY 6

Environmental Assessment of Herbicide Resistance

LOCATION:   Key 7
TIME:   1:00 PM - 5:00 PM
CHAIR:   Les Glasgow
    Syngenta
    Greensboro, NC
MODERATOR:   Timothy Grey
    University of Georgia
    Tifton, GA

 

*SPEAKER

 

1:00   Herbicide Resistance: Understanding Human Behavior Affecting Common Pool Resources and the Implications for Agri-environmental Management Systems. D. Ervin*; Portland State University, Portland, OR (267)

 

1:20   An Historical Review of Herbicide Resistance Issues. D. L. Shaner*; USDA, Fort Collins, CO (268)

 

1:40   Federal Policies Impacting Herbicide Resistance Management. L. Van Wychen*; Director of Science Policy, WSSA, Alexandria, VA (269)

 

1:55   Glyphosate-Resistant Palmer Amaranth Increases Herbicide Use, Tillage, and Hand Weeding in Georgia Cotton. A. S. Culpepper*1, L. Sosnoskie2; 1University of Georgia, Tifton, GA, 2UC Davis, Davis, CA (270)

 

2:10   Herbicide-resistant Weeds in the Midwest: Current Status and Impacts. K. W. Bradley*; University of Missouri, Columbia, MO (271)

 

2:25   Glyphosate Resistance: Lessons from the West. C. Mallory-Smith*1, A. G. Hulting1, B. D. Hanson2; 1Oregon State University, Corvallis, OR, 2University of California, Davis, Davis, CA (272)

 

2:40   Environmental Impact of Glyphosate-Resistant Weeds in Canada. H. J. Beckie*1, J. Y. Leeson2; 1Agriculture and Agri-Food Canada, Saskatoon, SK, 2AAFC, Saskatoon, SK (273)

 

2:55   Break

 

3:10   Environmental Implications of Herbicide Resistance: Soil Biology and Ecology. R. J. Kremer*; USDA-ARS, Columbia, MO (274)

 

3:30   Environmental Implications of Herbicide Resistance: Edge-of-field Management. M. A. Locke*; USDA-ARS, Oxford, MS (275)

 

3:50   Environmental Implications of Herbicide Resistance: In-Field Management. D. R. Shaw*; Mississippi State University, Mississippi State, MS (276)

 

4:10   The Future of Herbicides and Genetic Technology:  Ramifications for Environmental Stewardship. S. A. Senseman*; Texas A&M University, College Station, TX (277)

 

4:30   Industry Perspective: Providing Diversified Weed Management in Consideration of Environmental Stewardship and Herbicide Resistance. J. K. Soteres*1, L. Glasgow2; 1Monsanto Company, St. Louis, MO, 2Syngenta, Greensboro, NC (278)




WEDNESDAY  AFTERNOON    FEBRUARY 6

Section 1. Agronomic Crops

LOCATION:   Key 8
TIME:   1:00 PM - 4:45 PM
CHAIR:   Vince Davis
    University of Wisconsin
    Madison, WI
MODERATOR:   Vince Davis
    University of Wisconsin
    Madison, WI

 

*SPEAKER     † STUDENT CONTEST

 

1:00   Evaluation of Weed Management Programs and Response of FG72 Soybeans to HPPD-inhibiting Herbicides. J. Schultz*1, J. Allen2, M. Weber3, K. W. Bradley1; 1University of Missouri, Columbia, MO, 2Bayer CropScience, Research Triangle Park, NC, 3Bayer CropScience, Indianola, IA (279)

 

1:15   A New Mesotrione, Glufosinate and Isoxaflutole Tolerant Trait for Soybean Weed Management. B. Miller*1, G. Vail2, A. Silverstone3, B. Erdahl4, R. Jain5, J. Allen6, J. Fischer7, S. Van Wert8; 1Syngenta, Minnetonka, MN, 2Syngenta, Greensboro, NC, 3Syngenta, Research Triangle Park, NC, 4Syngenta, Clinton, IL, 5Syngenta, Vero Beach, FL, 6Bayer CropScience, Research Triangle Park, NC, 7Bayer CropScience, Middleton, WI, 8Bayer CropScience, Monheim, Germany (280)

 

1:30   University Evaluation of Isoxaflutole Weed Management Programs in HPPD Tolerant Soybean System. J. Allen1, M. Mahoney*2, M. Weber3; 1Bayer CropScience, Research Triangle Park, NC, 2Bayer CropScience, Oxford, MD, 3Bayer CropScience, Indianola, IA (281)

 

1:45   Weed Management Programs Utilizing Mesotrione in Herbicide Tolerant Soybeans. R. D. Lins*1, D. Bruns2, T. Beckett3, G. Vail3; 1Syngenta, Byron, MN, 2Syngenta, Marysville, OH, 3Syngenta, Greensboro, NC (282)

 

2:00   Weed Control Options in EnlistTM Soybeans . E. F. Scherder*1, J. M. Ellis2, R. B. Lassiter3, B. W. Hopkins4, L. L. Walton5, J. A. Huff6, B. B. Haygood7; 1Dow AgroSciences, Huxley, IA, 2Dow AgroSciences, Smithville, MO, 3Dow AgroSciences, Little Rock, AR, 4Dow AgroSciences, Westerville, OH, 5Dow AgroSciences, Tupelo, MS, 6Dow AgroSciences, Herrin, IL, 7Dow AgroSciences, Collierville, TN (283)

 

2:15   EnlistTM Soybean Tolerance to Applications from Emergence to R2 Growth Stage. D. M. Simpson*1, E. F. Scherder2, H. H. Perry3, S. Ditmarsen4, B. D. Olson5; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences, Huxley, IA, 3Dow AgroSciences, Greenville, MS, 4Dow AgroSciences, Madison, WI, 5Dow AgroSciences, Geneva, NY (284)

 

2:30   Weed Control Programs for Roundup Ready® 2 Xtend Soybeans. S. Seifert-Higgins*1, J. Willis2, A. Mills3, D. J. Mayonado4; 1Monsanto Company, St. Louis, MO, 2Monsanto, St. Louis, MO, 3Monsanto, Collierville, TN, 4Monsanto, Salisbury, MD (285)

 

2:45   Preemergence and Postemergence Efficacy of Dicamba on Glyphosate-Resistant Palmer amaranth. B. Edwards*1, T. Eubank2, D. R. Shaw3, L. E. Steckel4; 1Mississippi State University, Starkville,MS, MS, 2Mississippi State University, Stoneville, MS, 3Mississippi State University, Mississippi State, MS, 4University of Tennessee, Jackson, TN (286)

 

3:00   Break

 

3:15   PRE and POE Weed Management in Roundup Ready® 2 Xtend Soybeans in the Northeast. D. J. Mayonado*1, S. Hagood2, R. L. Ritter3, M. VanGessel4, H. P. Wilson5; 1Monsanto, Salisbury, MD, 2Virginia Tech, Blacksburg, VA, 3University of Maryland, College Park, MD, 4University of Delaware, Georgetown, DE, 5Virginia Tech, Painter, VA (287)

 

3:30   Weed Management with EngeniaTM Herbicide in Dicamba Tolerant Crops. J. C. Frihauf*, W. E. Thomas, S. J. Bowe, L. L. Bozeman, T. D. Klingaman, C. D. Youmans; BASF Corporation, Research Triangle Park, NC (288)

 

3:45   A Meta-analysis on the Effects of Drift Level-doses of 2,4-D and Dicamba on Yields of Soybean and Cotton. J. Egan*1, K. Barlow2, D. Mortensen3; 1Pennsylvania State University, University Park, PA, 2Penn State University, State College, PA, 3Penn State University, University Park, PA (289)

 

4:00   Influence of Simulated 2,4-D Drift Rates on Peanut Yield. R. M. Merchant*, E. P. Prostko, P. M. Eure; University of Georgia, Tifton, GA (290)

 

4:15   Impact of Nozzle Selection on Engenia Performance. W. E. Thomas*1, M. Staal1, S. J. Bowe1, J. C. Frihauf1, G. Kruger2; 1BASF Corporation, Research Triangle Park, NC, 2University of Nebraska-Lincoln, North Platte, NE (291)

 

4:30   Soybean Herbicide Efficacy as Affected by Carrier Volume. C. F. Creech*; University of Nebrask-Lincoln, Lincoln, NE (292)




WEDNESDAY  AFTERNOON    FEBRUARY 6

Section 3. Turf and Ornamental Crops

LOCATION:   Key 10
TIME:   1:00 PM - 5:00 PM
CHAIR:   Michael Barrett
    University of Kentucky
    Lexington, KY
MODERATOR:   Michael Barrett
    University of Kentucky
    Lexington, KY

 

*SPEAKER     † STUDENT CONTEST

 

1:00   Efficacy of Aminocyclopyrachlor for Controlling Crabgrass, Swinecress, and Virginia Buttonweed in Tall Fescue. T. Reed*, P. McCullough; University of Georgia, Griffin, GA (293)

 

1:15   †Physiological Effects of Temperature on Turfgrass Injury to Amicarbazone. J. Yu*, P. McCullough; University of Georgia, Griffin, GA (294)

 

1:30   Differential Responses of  Kentucky Annual Bluegrass (Poa annua) Biotypes to PGR and Herbicide Treatments. A. P. Williams*, M. Barrett, D. W. Williams; University of Kentucky, Lexington, KY (295)

 

1:45   Pesticide Programs for Season Long Silvery Threadmoss Control on Creeping Bentgrass Putting Greens. A. R. Post*, S. D. Askew, D. S. McCall; Virginia Tech, Blacksburg, VA (296)

 

2:00   Fall Applications of Prodiamine + Sulfentrazone for Preemergence Control of Annual Bluegrass and Crabgrass . C. Johnston*1, P. McCullough2; 1University of Georgia, Athens, GA, 2University of Georgia, Griffin, GA (297)

 

2:15   Dithiopyr Plus Florasulam for Smooth Crabgrass Control and Broadleaf Weed Suppression in Cool Season Turf. M. Cox*1, K. Venner1, S. D. Askew1, D. Loughner2; 1Virginia Tech, Blacksburg, VA, 2Dow AgroSciences, Lawrenceville, NJ (298)

 

2:30   Postemergence Control of Creeping Lilyturf, Liriope spicata. K. T. Adams*, C. H. Gilliam, G. R. Wehtje, S. F. Enloe; Auburn University, Auburn, AL (299)

 

2:45   Postemergence Management Of Liverwort With Dormant And Non-Dormant Application of Nonselective Herbicides. A. Senesac*, I. Tsontakis-Bradley; Cornell Cooperative Extension, Riverhead, NY (300)

 

3:00   Break

 

3:15   Liverwort Herbicide Trial Evaluations in MI Nurseries. H. M. Mathers*; Ohio State University, Columbus, OH (301)

 

3:30   Tolerance Of Container Ornamentals To Sprays Of Indaziflam and Current Herbicides. S. Barolli*1, J. Ahrens2; 1Imperial Nurseries, Granby, CT, 2Weed Scientist, Windsor, CT (302)

 

3:45   Pre and Post Budbreak Applications of Indaziflam in Field-grown Conifers. J. Ahrens*1, T. L. Mervosh2; 1Weed Scientist, Windsor, CT, 2Connecticut Agricultural Experiment Station, Windsor, CT (303)

 

4:00   Indaziflam Granules and Dimethenamid-p Sprays for Container-grown Ornamentals. T. L. Mervosh*1, J. Ahrens2; 1Connecticut Agricultural Experiment Station, Windsor, CT, 2Weed Scientist, Windsor, CT (304)

 

4:15   Establishment Of Between Row Cover Crops After Field Nursery Applications Of Indaziflam. A. Senesac*, I. Tsontakis-Bradley; Cornell Cooperative Extension, Riverhead, NY (305)

 

4:30   Evaluations of Several Herbicide and Herbicide Combinations for Containerized Ornamentals at an Ohio Nursery. H. M. Mathers1, L. T. Case*2; 1Ohio State University, Columbus, OH, 2The Ohio State University, Columbus, OH (306)

 

4:45   Leaching Behavior of Two Pendimethalin Formulations in a Soilless Mix. J. Derr*; Virginia Tech, Virginia Beach, VA (307)




WEDNESDAY  AFTERNOON    FEBRUARY 6

Section 11. Physiology

LOCATION:   Key 11/12
TIME:   1:15 PM - 4:15 PM
CHAIR:   Alejandro Perez-Jones
    Monsanto
    St Louis, MO
MODERATOR:   Alejandro Perez-Jones
    Monsanto
    St Louis, MO

 

*SPEAKER     † STUDENT CONTEST

 

1:15   Do Soil Microorganisms Play a Role in the Evolution of Glyphosate Resistance in Weeds? J. R. Schafer*, S. G. Hallett, W. G. Johnson; Purdue University, West Lafayette, IN (308)

 

1:30   How Many Different Glyphosate Resistant Mechanisms Can There Be? R. D. Sammons*, D. Wang, E. Ostrander; Monsanto, St. Louis, MO (309)

 

1:45   Miniature Inverted-repeat Transposable Elements (MITEs) Associated with EPSPS Gene Amplification in Amaranthus palmeri. W. Molin*1, T. A. Gaines2, A. Wright1, L. Lorentz3, C. W. Riggins4, P. J. Tranel4, R. Beffa3, P. Westra5, S. B. Powles6; 1USDA-ARS, Stoneville, MS, 2University of Western Australia, Crawley, WA, Australia, 3Bayer CropScience, Frankfurt am Main, Germany, 4University of Illinois, Urbana, IL, 5Colorado State University, Fort Collins, CO, 6University of Western Australia, Crawley, Australia (310)

 

2:00   The Inheritance of Amplified EPSPS Gene Copies in Palmer Amaranth (Amaranthus palmeri). D. A. Giacomini*1, P. Westra1, S. M. Ward1, R. D. Sammons2; 1Colorado State University, Fort Collins, CO, 2Monsanto, St. Louis, MO (311)

 

2:15   Identifying Differential Expression in Non-Target Site Herbicide Resistance Genes in Lolium rigidum using High-Throughput Sequencing. T. A. Gaines*1, L. Lorentz2, F. Maiwald3, M. Ott3, P. Perret2, Q. Yu4, H. Han4, R. Busi4, H. Strek2, R. Beffa2, S. B. Powles4; 1University of Western Australia, Crawley, WA, Australia, 2Bayer CropScience, Frankfurt am Main, Germany, 3Bayer CropScience, Monheim, Germany, 4University of Western Australia, Crawley, Australia (312)

 

2:30   Glyphosate Resistance Mechanism in Tall Waterhemp from Mississippi. V. K. Nandula*1, J. D. Ray1, D. N. Ribeiro2, Z. Pan3, K. N. Reddy1; 1USDA-ARS, Stoneville, MS, 2Mississippi State University, Starkville, MS, 3USDA-ARS, Oxford, MS (313)

 

2:45   Break

 

3:15   Investigations into Ambrosia artemisiifolia (Common Ragweed) Glyphosate Resistance Mechanisms. J. T. Parrish*1, M. M. Loux1, D. Mackey1, L. McHale1, C. Van Horn2, P. Westra2, A. Wiersma2; 1The Ohio State University, Columbus, OH, 2Colorado State University, Fort Collins, CO (314)

 

3:30   Investigation into the Molecular and Biochemical Mechanisms of Resistance to Glyphosate in Two Populations of Giant Ragweed (Ambrosia trifida). T. M. Jeffery*1, C. Hall1, M. Lawton2, P. Sikkema3, F. J. Tardif1; 1The University Of Guelph, Guelph, ON, 2Monsanto, Guelph, ON, 3The University Of Guelph, Ridgetown, ON (315)

 

3:45   Regional Whole Plant and Molecular Response of Kochia to Glyphosate. P. Westra*1, A. Wiersma1, J. Leach2, a. Reddy2; 1Colorado State University, Fort Collins, CO, 2CSU, Fort Collins, CO (316)

 

4:00   Hyperspectral Reflectance Properties of Glyphosate-Resistant and –Susceptible Palmer Amaranth and Potential for Remote Sensing Applications. K. N. Reddy*, Y. Huang, V. K. Nandula, R. S. Fletcher; USDA-ARS, Stoneville, MS (317)




WEDNESDAY  AFTERNOON    FEBRUARY 6

NEWSS Business Meeting

LOCATION:   Key 10
TIME:   5:00 PM - 6:30 PM
MODERATOR:   Dwight Lingenfelter
    Penn State
    University Park, PA

 





THURSDAY  MORNING    FEBRUARY 7

Holistic Invasive Weed Management: Integration of Science, Statutes, and Society

LOCATION:   Key 8
TIME:   8:00 AM - 12:00 PM
CHAIR:   William Bruckart
    USDA, ARS, FDWSRU
    Ft. Detrick, MD
MODERATOR:   William Bruckart
    USDA, ARS, FDWSRU
    Ft. Detrick, MD

 

*SPEAKER

 

8:00   Introduction. W. L. Bruckart*1, J. Lydon2; 1USDA, ARS, FDWSRU, Ft. Detrick, MD, 2USDA, ARS, NPS, Beltsville, MD (318)

 

8:15   Invasive Weeds: The Role of Science in Policy. J. Thompson*; Consultant - USDA, Upper Marlborough, MD (319)

 

8:45   Objectivity, Inclusiveness, and Sustainability in Developing Invasive Plant Management Programs. J. M. DiTomaso*; University of California, Davis, CA (320)

 

9:15   The Successful Program of TEAM Leafy Spurge. R. G. Lym*; North Dakota State University, Fargo, ND (321)

 

9:35   Eradication of Caulerpa taxifolia: A timely Consilience of Science and Societal Values . L. W. Anderson*; WaterweedSolutions, Davis, CA (322)

 

9:55   Biological Control of Tamarisk: Riparian Restoration is the Final Step to Success. D. W. Bean*1, T. L. Dudley2; 1Colorado Department of Agriculture, Palisade, CO, 2Marine Science Institute, University of California, Santa Barbara, CA (323)

 

10:15   Break

 

10:30   The Fragmentary Legal Framework for Invasive Weeds Management. J. Gregory*; University of Arizona James E. Rogers College of Law, Tucson, AZ (324)

 

11:00   Taking a Holistic Approach to Invasive Species: Science, Society, and Adaptation to Change. B. Larson*; University of Waterloo, Waterloo, ON (325)

 

11:30   Panel Discussion




THURSDAY  MORNING    FEBRUARY 7

Section 1. Agronomic Crops

LOCATION:   Key 11/12
TIME:   8:00 AM - 11:30 AM
CHAIR:   Vince Davis
    University of Wisconsin
    Madison, WI
MODERATOR:   Vince Davis
    University of Wisconsin
    Madison, WI

 

*SPEAKER     † STUDENT CONTEST

 

8:00   Influence of Glyphosate Timing(s) on Kochia Cohorts in Glyphosate-Resistant Sugar Beet. V. Kumar*1, P. Jha1, M. K. Riar2, N. Reichard1, J. R. KC1; 1Montana State University, Huntley, MT, 2Montana State University, Billings, MT (326)

 

8:15   Waterhemp Management in Glyphosate-Resistant Sugarbeet. J. M. Stachler*1, A. L. Carlson2; 1NDSU and U. of MN, Fargo, ND, 2North Dakota State University and University of Minnesota, Fargo, ND (327)

 

8:30   Weed Control and Peanut Tolerance to Pyroxasulfone. P. M. Eure*, E. P. Prostko, R. M. Merchant; University of Georgia, Tifton, GA (328)

 

8:45   Bicyclopyrone, a Novel Herbicide for Weed Control in Corn. G. D. Vail*1, S. E. Cully2, T. H. Beckett3, J. P. Foresman3, B. J. Ulmer4; 1Syngenta Crop Protection, Greensboro, NC, 2Syngenta, Marion, IL, 3Syngenta, Greensboro, NC, 4Syngenta, Basle, Switzerland (329)

 

9:00   Corn and Sorghum Yields with Atrazine versus Atrazine Alternatives: US University Herbicide Efficacy Studies Analysis: 2006-2010. R. S. Fawcett*; Fawcett Consulting, Huxley, IA (330)

 

9:15   †Susceptibility of Shattercane X ALS-Resistant Sorghum Hybrids and their Parents to Rimsulfuron and Nicosulfuron. R. Werle*1, M. L. Bernards2, S. E. Sattler3, J. L. Lindquist4; 1University of Nebraska Lincoln, Lincoln, NE, 2Western Illinois University, Macomb, IL, 3University of Nebraska-Lincoln, Lincoln, NE, 4University of Nebraska, Lincoln, NE (331)

 

9:30   XDE-729 Methyl: A New Post-emergent, Broadleaf Herbicide for Cereal Grains. P. R. Schmitzer*1, T. Balko2, N. M. Satchivi2, M. R. Weimer2, M. Li1; 1Dow AgroSciences LLC, Indianapolis, IN, 2Dow AgroSciences, Indianapolis, IN (332)

 

9:45   XDE-729 Methyl: Utility in Western Canadian Spring Cereals. R. F. Degenhardt*1, W. R. McGregor1, L. T. Juras2, D. D. Hare1, G. C. Turnbull3; 1Dow AgroSciences, Edmonton, AB, 2Dow AgroSciences, Saskatoon, SK, 3Dow AgroSciences, Winnipeg, MB (333)

 

10:00   Preemergence Herbicide Screening and Tolerance Evaluation for Seeded-type Miscanthus giganteus. X. Li*1, T. L. Grey2, W. K. Vencill1, D. Lee2; 1University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (334)

 

10:15   Break

 

10:30   Management of Diuron Resistant Annual Bluegrass in Grasses Grown for Seed with Pyroxasulfone and Pyroxasulfone Plus Flumioxazin. A. G. Hulting*, D. W. Curtis, K. Roerig, C. Mallory-Smith; Oregon State University, Corvallis, OR (335)

 

10:45   †Evaluating Field Pea Varieties for Competitive Ability in Organic Systems. A. Anand*, G. Gramig; North Dakota State University, Fargo, ND (336)

 

11:00   †Effect of Ambient Temperature on Thermal Weed Control using Microwave Radiation. A. Rana*, J. Derr; Virginia Tech, Virginia Beach, VA (337)

 

11:15   Section Business Meeting




THURSDAY  MORNING    FEBRUARY 7

Section 2. Horticultural Crops

LOCATION:   Key 10
TIME:   8:00 AM - 12:00 PM
CHAIR:   Joel Felix
    Oregon State University
    Ontario, OR
MODERATOR:   Joel Felix
    Oregon State University
    Ontario, OR

 

*SPEAKER     † STUDENT CONTEST

 

8:00   Fifty years of Providing Crop Protection Solutions to Specialty Crop Growers: The IR-4 Program. D. Kunkel*1, J. Baron2, M. Arsenovic3, M. Braverman1, E. Lurvey4; 1Rutgers University, Princeton, NJ, 2IR-4, Princeton, NJ, 3IR-4 Project, Princeton, NJ, 4Cornell University, Geneva, NY (338)

 

8:15   Update on 2012 Weed Science Research in the IR-4 Ornamental Horticulture Program. C. Palmer*1, J. Baron2, E. Vea3; 1IR-4 Project, Princeton, NJ, 2IR-4, Princeton, NJ, 3IR-4, Crownsville, MD (339)

 

8:30   Phosphorus Application Influences the Critical Period of Weed Control in Lettuce. D. C. Odero*, A. L. Wright; University of Florida, Belle Glade, FL (340)

 

8:45   Effect of Timing and Combinations of Preemergence Herbicide for Weed Control in Wild blueberry Fields . D. E. Yarborough*; University of Maine, Orono, ME (341)

 

9:00   Evaluation of Hexazinone Alternatives and Tankmixes for use in Lowbush Blueberry. N. S. Boyd*; University of Florida, Wimauma, FL (342)

 

9:15   Herbicide Movement in Blueberry Production Pinebark Beds. P. J. Dittmar*; University of Florida, Gainesville, FL (343)

 

9:30   Efficacy of Napropamide and Mesotrione on New Cranberry Plantings. H. A. Sandler*1, K. M. Ghantous2, K. DeMoranville1; 1UMass Amherst Cranberry Station, East Wareham, MA, 2University of Massachusetts Amherst, Amherst, MA (344)

 

9:45   Evaluation of an Automatic Steam Applicator in Strawberry for Control of Weeds and Other Soilborne Pests. S. A. Fennimore*, T. Miller; University of California Davis, Salinas, CA (345)

 

10:00   †Combined Cover Crop with Newspaper Sheet Mulch for Weed Management in Collards. N. A. Read*, E. E. Regnier, K. Harrison, M. A. Bennett, J. D. Metzger; The Ohio State University, Columbus, OH (346)

 

10:15   Break

 

10:30   Maximum Weed Control in Onion with Pre and Postemergence Herbicides. B. H. Zandstra*1, J. J. Morrice2; 1Michigan State University, East Lansing, MI, 2Michigan State University, Lansing, MI (347)

 

10:45   Response of Grapes to Simulated 2,4-D, Dicamba, & Glyphosate Drift. S. J. Wolfe*, D. Doohan; The Ohio State University, Wooster, OH (348)

 

11:00   Response of Several Crops to Fomesafen Soil Residues When Planted at Variable Times after Application. J. Felix*; Oregon State University, Ontario, OR (349)

 

11:15   †Resistance to Linuron in Carrot Fields in Ontario. G. Davis*1, F. J. Tardif2; 1University of Guelph, Guelph, ON, 2The University Of Guelph, Guelph, ON (350)

 

11:30   New Solutions for the Control of Herbicide Resistant Redroot Pigweed (Amaranthus retroflexus L.) in Carrot. C. J. Swanton*1, K. Callow2, R. Nurse3, D. Robinson4; 1University of Guelph, Guelph, ON, 2Ontario Ministry of Agriculture, Food and Ruaral Affairs, Harrow, ON, 3Agriculture and Agri-Food Canada, Harrow, ON, 4University of Guelph, Ridgetown, ON (351)

 

11:45   Movement of Weeds from Seepage Irrigation Furrows into Potato (Solanum tuberosum) Crop Rows. C. E. Rouse*, P. J. Dittmar; University of Florida, Gainesville, FL (352)

 

12:00   Section Business Meeting




THURSDAY  MORNING    FEBRUARY 7

Section 9. Weed Biology and Ecology

LOCATION:   Key 9
TIME:   8:30 AM - 12:00 PM
CHAIR:   David Gealy
    USDA-ARS
    Stuttgart, AR
MODERATOR:   David Gealy
    USDA-ARS
    Stuttgart, AR

 

*SPEAKER     † STUDENT CONTEST

 

8:30   Ecology of Redflower Ragleaf (Crassocephalum crepidioides). M. A. Hossain*, H. Akamine, I. Nakamura, M. Tamaki; University of the Ryukyus, Okinawa, Japan (353)

 

8:45   Variation in Seed Predation Across a Farmscape. S. K. Birthisel*, E. Gallandt, R. Jabbour, F. Drummond; University of Maine, Orono, ME (354)

 

9:00   Soil Surface Seed Bank and Vegetative Cover Influence Post Dispersal Weed Seed Predation. G. Gramig*; North Dakota State University, Fargo, ND (355)

 

9:15   Spatial and Commodity Demographics of Weeds Submitted to the Virginia Weed Clinic. A. R. Post*, T. Wieboldt, S. Hagood, S. D. Askew; Virginia Tech, Blacksburg, VA (356)

 

9:30   Modeling the Growth of New Japanese Knotweed Infestations. J. Dauer*1, E. Jongejans2; 1Michigan State University, East Lansing, MI, 2Radboud University Nijmegen, Nijmegen, Netherlands (357)

 

9:45   Using Growing Degree Days for Predicting Itchgrass (Rottboellia cochinchinensis) Emergence in the Tropics. R. G. Leon*1, J. L. Gonzalez-Andujar2; 1University of Florida, Jay, FL, 2Consejo Superior de Investigaciones Cientificas, Cordoba, Spain (358)

 

10:00   Defining Species-specific Functional Densities for Improving Replacement Series Experimental Designs. S. Mirsky*1, H. Poffenbarger2, J. R. Teasdale1, J. Spargo3, J. Maul1, M. Cavigelli1; 1USDA-ARS, Beltsville, MD, 2USDA-ARS/University of Maryland, Beltsville, MD, 3University of Massachusettes, Amherst, MA (359)

 

10:15   Break

 

10:30   Weed-crop Competition in Soils under Long-term Organic and Conventional Agricultural Management. H. Poffenbarger*1, S. Mirsky2, J. R. Teasdale2, J. Spargo3, D. Timlin2, J. Maul2, M. Cavigelli2; 1USDA-ARS/University of Maryland, Beltsville, MD, 2USDA-ARS, Beltsville, MD, 3University of Massachusettes, Amherst, MA (360)

 

10:45   Weed Management in Organic Vegetable Systems. C. Marschner*, C. L. Mohler, M. Ryan, B. Caldwell, A. DiTommaso, L. Drinkwater; Cornell University, Ithaca, NY (361)

 

11:00   Weed Management in Squash using Biodegradable Mulch Materials and its Effect on the Pollinator, Peponapis pruinosa. C. Splawski*1, E. E. Regnier1, K. Harrison1, M. A. Bennett1, J. D. Metzger1, K. Goodell2; 1The Ohio State University, Columbus, OH, 2The Ohio State University, Newark, OH (362)

 

11:15   Section Business Meeting




THURSDAY  MORNING    FEBRUARY 7

Section 11. Physiology

LOCATION:   Key 7
TIME:   8:30 AM - 12:00 PM
CHAIR:   Alejandro Perez-Jones
    Monsanto
    St Louis, MO
MODERATOR:   Alejandro Perez-Jones
    Monsanto
    St Louis, MO

 

*SPEAKER     † STUDENT CONTEST

 

8:30   Multiple Mechanisms of Palmer amaranth (Amaranthus palmeri) Resistance to ALS-inhibiting Herbicides. W. K. Vencill*1, X. Li1, T. L. Grey2; 1University of Georgia, Athens, GA, 2University of Georgia, Tifton, GA (363)

 

8:45   Strategies for Countering Herbicide Resistance. R. D. Sammons*, D. Wang, B. Duncan, G. Griffith, J. A. Kendig, D. A. Findley; Monsanto, St. Louis, MO (364)

 

9:00   Domesticated Microalgae Have. J. Gressel*; Weizmann Institute of Science, Rehovot, Israel (365)

 

9:15   Development of RHS (Roundup Hybridization System): A Novel Use of Glyphosate for Production of Hybrid Corn Seeds. P. Feng*1, Y. Qi1, T. Chiu2, M. A. Stoecker2, J. Huang2; 1Monsanto Co, St Louis, MO, 2Monsanto Co, St. Louis, MO (366)

 

9:30   14C-Glyphosate Mobility in Purple Nutsedge (Cyperus rotundus). T. L. Grey*1, T. M. Webster2, J. W. Davis3; 1University of Georgia, Tifton, GA, 2USDA-ARS, Tifton, GA, 3Univeristy of Georgia, Griffin, GA (367)

 

9:45   Leaf Disc Assay to Measure Early Steps of the MEP Pathway. N. Corniani*1, E. D. Velini1, F. M. Silva1, D. Nanayakkara2, F. E. Dayan3; 1UNESP, Botucatu, Brazil, 2University of Mississippi, University, MS, 3USDA-ARS, University, MS (368)

 

10:00   Synthesis and Evaluation of Heterocyclic Analogs of Bromoxynil. M. A. Cutulle*1, G. R. Armel2, J. T. Brosnan3, D. A. Kopsell1, M. D. Best1, J. J. Vargas3, J. Thomas1; 1University of Tennessee, Knoxville, TN, 2BASF, Raleigh, NC, 3The University of Tennessee, Knoxville, TN (369)

 

10:15   Break

 

10:30   †The Mode of Action of Indaziflam. C. B. Brabham*, S. Debolt; University of Kentucky, Lexington, KY (370)

 

10:45   XDE-729 Methyl: Mechanism of Tolerance in Wheat. G. J. de Boer*1, N. M. Satchivi1, Y. Adelfinskaya2, J. Godbey2, M. Madary2; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences LLC, Indianapolis, IN (371)