PROGRAM

TUESDAY  MORNING    MARCH 13

Weeds of Range and Natural Areas

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Modeling Waterhyacinth (Eichhornia crassipes) Drift and Dispersal in the San Joaquin Delta Using GPS Drogues. John Miskella*, John D. Madsen; USDA-ARS, Davis, CA (1)

 

The Return of the Monarch Butterfly; Protection and Restoration of Milkweed Habitat. Jim Sebastian*1, Steve Sauer2, Derek J. Sebastian3, Jim Daniel4, Harold Quicke5; 1Boulder County Open Space, Longmont, CO, 2, Longmont, CO, 3Bayer, Fort Collins, CO, 4Daniel Ag Consulting, Keenesburg, CO, 5Bayer, Windsor, CO (2)

 

Large Scale Control of Invasive Weeds and Response of Native Species to Esplanade 200SC Tank Mixes. Jim Sebastian*1, Steve Sauer2, Derek J. Sebastian3, Shannon L. Clark4, Harold Quicke5; 1Boulder County Open Space, Longmont, CO, 2, Longmont, CO, 3Bayer, Fort Collins, CO, 4Colorado State University, Fort Collins, CO, 5Bayer, Windsor, CO (3)

 

Integrating Herbicide or Mowing with Biological Control for Improved Tamarisk Control. Erik A. Lehnhoff*, Leeland Murray, Brian J. Schutte; New Mexico State University, Las Cruces, NM (4)

 

Treatment Life and Economic Comparisons of Brush Management Applications. Case R. Medlin*1, Wayne Hanselka2, Allan McGinty3, Robert Lyons4, Megan Clayton5, William Thompson6; 1Bayer, Paradise, TX, 2Texas A&M AgriLife Extension (Emeritus), Corpus Christi, TX, 3Texas A&M AgriLife Extension (Emeritus), San Angelo, TX, 4Texas A&M AgriLife Extension, Uvalde, TX, 5Texas A&M AgriLife Extension, Corpus Christi, TX, 6Texas A&M AgriLife Extension, San Angelo, TX (5)

 

Reduced-Rate Chemicals Provide Improved Control of Waterhyacinth in the Sacramento-San Joaquin Delta. Guy B. Kyser*1, John D. Madsen2, John Miskella2; 1University of California, Davis, Davis, CA, 2USDA-ARS, Davis, CA (6)

 

†Management of Ventenata dubia in the Pacific Northwest. Lindsay E. Koby*1, Tim Prather2, Ian C. Burke1; 1Washington State University, Pullman, WA, 2University of Idaho, Moscow, ID (7)

 

Control of Medusahead in the Intermountain Region of California. Tom Getts*1, Harold Quicke2, Robert Wilson3; 1University of California Cooperative Extension, Susanville, CA, 2Bayer, Windsor, CO, 3University of California, Tulelake, CA (8)

 

Invasive Annual Grass Control and Perennial Grass Response with Residual Herbicides in Utah. Corey V. Ransom*, Heather E. Olsen; Utah State University, Logan, UT (9)

 

Evaluating the Efficacy of Four Graminicides on Bromus tectorum and Bromus japonicus. Emily Pierson-Metier1, Erik A. Lehnhoff2, Jane Mangold1, Matthew J. Rinella3, Lisa J. Rew*1; 1Montana State University, Bozeman, MT, 2New Mexico State University, Las Cruces, NM, 3USDA-ARS, Miles City, MT (10)




TUESDAY  MORNING    MARCH 13

Weeds of Horticultural Crops

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Current Weed Management Practices and Future Weed Control Needs: A Survey of Washington Wine Grape Growers. Lynn M. Sosnoskie*1, Ian C. Burke2; 1University of California Cooperative Extension, Merced, CA, 2Washington State University, Pullman, WA (11)

 

Stale Seedbeds for Summer Annual Weeds in Chile Pepper. Adriana Sanchez, Brian J. Schutte*, Leslie Beck, O. John Idowu, James Libbin; New Mexico State University, Las Cruces, NM (12)

 

Organic Herbicide Efficacy in Apples. Lynn M. Sosnoskie*1, Ian C. Burke2; 1University of California Cooperative Extension, Merced, CA, 2Washington State University, Pullman, WA (13)

 

†Comparison of Solarization and Biosolarization for Weed Control in a Tree Seedling Nursery in Western Oregon. Nami Wada*, Jennifer Parke, Pete A. Berry, Lucas Kopecky Bobadilla, Carol Mallory-Smith; Oregon State University, Corvallis, OR (14)

 

Field Bindweed Response to Preemergence Herbicides in Highbush Blueberries. Marcelo L. Moretti*, Larissa Larocca de Souza, Ed Peachey; Oregon State University, Corvallis, OR (15)

 

†Control of Green Suckers with Herbicides in Hazelnut . Larissa Larocca de Souza*, Marcelo L. Moretti; Oregon State University, Corvallis, OR (16)

 

†Effects of Saline Water on Saflufenacil and Rimsulfuron Partitioning in California Orchard Soils. Katie Martin*, Brad Hanson; University of California, Davis, Davis, CA (17)

 

Strawponic for Phelipanche aegyptiaca Management in No-Till Potato. Mustapha A. Haidar*1, Ali M. Msheik2; 1American University of Beirut, Beirut, Lebanon, 2AUB, Beirut, Lebanon (18)

 

Sharppoint Fluvellin Management in Horticulture Perennial Crops of Western Oregon. Larissa Larocca de Souza, Marcelo L. Moretti*; Oregon State University, Corvallis, OR (19)

 

Injury Symptoms and Detection of Bispyribac-sodium in Walnut Leaves Following Simulated Drift. Mariano F. Galla*1, Kassim Al-Khatib2, Brad Hanson2; 1University of California Cooperative Extension, Orland, CA, 2University of California, Davis, Davis, CA (20)

 

Cover Crop Tolerance to Herbicides: Implicatioon for Interseeding. Ed Peachey*; Oregon State University, Corvallis, OR (21)




TUESDAY  MORNING    MARCH 13

Weeds of Agronomic Crops

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Influence of Shade and Drought on the Control of Junglerice (Echinochloa colona) with Postemergence Herbicides. Anil Shrestha*, Ryan Cox, Mala To, Jorge Angeles; California State University, Fresno, CA (138)

 

Effect of Intensified Wheat-Based Cropping Systems on Weed Infestation . Carolina San Martín*1, Dan Long2, Judit Barroso1; 1Oregon State University, Adams, OR, 2USDA-ARS, Adams, OR (22)

 

Rattail Fescue and Downy Brome Control in Winter Wheat with Mesosulfuron/Thiencarbazone. Traci Rauch*, Joan Campbell; University of Idaho, Moscow, ID (23)

 

†Cross Resistance Patterns in Multiple ALS-Resistant Downy Brome (Bromus tectorum L.) Accessions from Washington. Jeanette A. Rodriguez*, Amber L. Hauvermale, Rachel J. Zuger, Ian C. Burke; Washington State University, Pullman, WA (24)

 

Herbicide Systems with Pyroxasulfone for Management of Downy Brome in Winter Wheat . Rachel J. Zuger*, Amber L. Hauvermale, Tara L. Burke, Henry C. Wetzel, Ian C. Burke; Washington State University, Pullman, WA (25)

 

Fall and Spring Timings for Preseed Applications of Halauxifen Plus Florasulam for Spring Cereals. Joe Yenish*1, Patti Prasifka2, Roger E. Gast3; 1Dow AgroSciences, Billings, MT, 2Dow AgroSciences, West Fargo, ND, 3Dow AgroSciences, Indianapolis, IN (26)

 

†Winter Wheat and Palmer Amaranth Competition: Seed Germination in Response to Competitor and Light. Osama S. Saleh*; University of Wyoming, Laramie, WY (27)

 

Broad-Spectrum Postemergence Weed Control with Pyroxsulam in California Cereals. Joe Armstrong*1, Byron B. Sleugh2, Roger E. Gast2; 1Dow AgroSciences, Fresno, CA, 2Dow AgroSciences, Indianapolis, IN (28)

 

Barley Tolerance to Soil-Applied Herbicides. Brian Jenks*1, Mike H. Ostlie2, Bryan Hanson3; 1North Dakota State University, Minot, ND, 2North Dakota State University, Carrington, ND, 3North Dakota State University, Langdon, ND (29)

 

New Flucarbazone Formulation Evaluation in Spring Wheat. Joseph E. Mettler*, Kirk A. Howatt; North Dakota State University, Fargo, ND (30)

 

Bicyclopyrone Plus Bromoxynil Controls Mayweed Chamomile in Wheat. Henry C. Wetzel*, Drew J. Lyon; Washington State University, Pullman, WA (31)

 

Rescuegrass Management in Oklahoma Winter Wheat. Misha Manuchehri*1, Gary Strickland2, Kail Cole1, Jodie Crose1; 1Oklahoma State University, Stillwater, OK, 2Oklahoma State University, Altus, OK (32)

 

Harvest Weed Seed Control and Herbicide Resistance Survey of Winter Annual Grasses in Colorado. Neeta Soni*1, Scott J. Nissen1, Phil Westra1, Michael Walsh2, Jason K. Norsworthy3, Todd Gaines1; 1Colorado State University, Fort Collins, CO, 2University of Sydney, Sydney, Australia, 3University of Arkansas, Fayetteville, AR (33)

 

†Horseweed Management in Oklahoma Winter Wheat. Jodie Crose*1, Misha Manuchehri1, Kail Cole1, Robert Rupp2, Brad Lindenmayer3, D. Cummings4; 1Oklahoma State University, Stillwater, OK, 2FMC, Edmond, OK, 3Syngenta, Perkins, OK, 4Dow AgroSciences, Bonham, TX (34)

 

The Development and Management of ACCase Resistant Italian Ryegrass in Oklahoma. Grace Ogden*1, Misha Manuchehri2, Adam Hixson3, Kail Cole2, Jodie Crose2; 1, Stillwater, OK, 2Oklahoma State University, Stillwater, OK, 3BASF, Lubbock, TX (35)

 

†Effects of Synthetic Auxin Herbicides on Seed Production and Seed Viability of Herbicide Resistant Populations of Italian Ryegrass (Lolium perenne ssp. multiflorum) in Western Oregon. Lucas Kopecky Bobadilla*1, Felipe Augusto Stella2, Dan W. Curtis1, Andy G. Hulting1, Carol Mallory-Smith1; 1Oregon State University, Corvallis, OR, 2University of Sao Paulo, Piracicaba, Brazil (36)

 

Grass Weed Control in Kentucky Bluegrass and Perennial Ryegrass. Amber L. Hauvermale*, Rachel J. Zuger, Ian C. Burke; Washington State University, Pullman, WA (37)

 

Using a Leaf Tissue Test for Glyphosate and Dicamba Drift Injury to Field Peas and Dry Beans. Mike H. Ostlie*1, Gregory J. Endres1, Brian Jenks2, Harlene Hatterman-Valenti3, Andrew Robinson4, Rich Zollinger3; 1North Dakota State University, Carrington, ND, 2North Dakota State University, Minot, ND, 3North Dakota State University, Fargo, ND, 4North Dakota State University / University of Minnesota, Fargo, ND (38)

 

†Rescue Treatment Options for Glyphosate-Resistant Palmer Amaranth in Sugarbeet. Clint W. Beiermann*1, Nevin C. Lawrence2, Stevan Z. Knezevic3, Amit J. Jhala1, Cody Creech4; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, Scottsbluff, NE, 3University of Nebraska-Lincoln, Concord, NE, 4University of Nebraska, Scottsbluff, NE (39)

 

Variable Tolerance of Common Lambsquarters to Glyphosate in Corn-Sugarbeet Fields. Prashant Jha*1, Vipan Kumar2, Don W. Morishita3, Ramawatar Yadav1, Anjani J1, Charlemagne Alexander A. Lim1; 1Montana State University, Huntley, MT, 2Kansas State University, Hays, KS, 3University of Idaho, Kimberly, ID (40)

 

Herbicide Options for Weed Management in Dormant-Seeded Safflower. Earl Creech*1, Corey V. Ransom1, Mike Pace2, Clark Israelsen1; 1Utah State University, Logan, UT, 2Utah State University, Brigham City, UT (41)

 

Evaluation of Herbicide Options for Kochia Control in Western North Dakota. Daniel Giumaraes Abe*, Caleb Dalley; North Dakota State University, Hettinger, ND (42)

 

Variable Response of Kochia Populations to Dicamba and Fluroxypyr. Vipan Kumar*1, Phil Stahlman1, Randy Currie2, Ryan Engel3, Grant Boyer1; 1Kansas State University, Hays, KS, 2Kansas State University, Garden City, KS, 3Fort Hays State University, Hays, KS (43)

 

†Management of Glyphosate- and Dicamba-Resistant Kochia (Kochia scoparia) in Roundup Ready® Xtend Soybean. Ramawatar Yadav*1, Prashant Jha1, Vipan Kumar2, Shane Leland1; 1Montana State University, Huntley, MT, 2Kansas State University, Hays, KS (44)

 

Desert Cotton Sensitivity to 2,4-D and Dicamba. William B. McCloskey*1, Randy Norton2; 1University of Arizona, Tucson, AZ, 2University of Arizona, Safford, AZ (45)

 

Effect of Crop Rotation, Tillage and Herbicide Diversity on R:S Ratio of Kochia Seed Bank Over Four Years. Charlemagne Alexander A. Lim*1, Elizabeth G. Mosqueda2, Prashant Jha1, Andrew Kniss2, Gustavo M. Sbatella3, Nevin C. Lawrence4, Shane Leland1, Anjani J1; 1Montana State University, Huntley, MT, 2University of Wyoming, Laramie, WY, 3University of Wyoming, Powell, WY, 4University of Nebraska-Lincoln, Scottsbluff, NE (46)

 

Effects of Selected Adjuvants on Weed Control with Glufosinate-ammonium in Colorado and South Dakota. Jim Daniel*1, Eric Westra2, Phil Westra2, Paul Johnson3; 1Daniel Ag Consulting, Keenesburg, CO, 2Colorado State University, Fort Collins, CO, 3South Dakota State University, Brookings, SD (47)




TUESDAY  MORNING    MARCH 13

Teaching and Technology Transfer

 

*PRESENTER

 

Kansas Mesonet Real-Time Temperature Inversion Decision Tool. Christopher Redmond, Dallas Peterson, Curtis R. Thompson*; Kansas State University, Manhattan, KS (48)

 

2017 EPA Tour of Western Kansas. Dallas Peterson1, Phil Stahlman2, Curtis R. Thompson*1, Anita Dille1, Mithila Jugulam1, Randy Currie3, Michael Barrett4, Jill Schroeder5, Lee Van Wychen6; 1Kansas State University, Manhattan, KS, 2Kansas State University, Hays, KS, 3Kansas State University, Garden City, KS, 4University of Kentucky, Lexington, KY, 5USDA Office of Pest Management Policy, Washington, DC, 6WSSA - Director of Science Policy, Alexandria, VA (49)

 

Initiation of the North American Kochia Working Group. Todd Gaines*1, Phil Westra1, Roger E. Gast2, Rory Degenhardt3; 1Colorado State University, Fort Collins, CO, 2Dow AgroSciences, Indianapolis, IN, 3Dow AgroSciences, Edmonton, AB (50)

 

Using a Structured Decision Making Tool to Update the Utah Noxious Weed List and Guide. Heather E. Olsen*, Corey V. Ransom, Ralph E. Whitesides; Utah State University, Logan, UT (51)




TUESDAY  MORNING    MARCH 13

Basic Biology and Ecology

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Bindweed Root and Shoot Development and the Potential to Disrupt Dormancy and Improve Control. Jeremy R. Thompson*1, Lynn M. Sosnoskie2, Ian C. Burke1; 1Washington State University, Pullman, WA, 2University of California Cooperative Extension, Merced, CA (52)

 

Winter Wheat: Kin Recognition Under Controlled Conditions. Osama S. Saleh*; University of Wyoming, Laramie, WY (53)

 

Performance of New High Loaded 2,4-D and Dicamba Acid Herbicide Formulations with Built In Drift Reduction Technology. . Eric Westra*1, Jim Daniel2, Phil Westra1, Scott Parrish3; 1Colorado State University, Fort Collins, CO, 2Daniel Ag Consulting, Keenesburg, CO, 3AgraSyst, Spokane, WA (54)

 

Herbicide Resistance in Spring Wheat. Tara L. Burke*, Amber L. Hauvermale, Caleb C. Squires, Arron Carter, Ian C. Burke; Washington State University, Pullman, WA (55)

 

Ecological Management of Kochia in Irrigated Western Cropping Systems: Approaches and Path Forward. Prashant Jha*1, Andrew Kniss2, Nevin C. Lawrence3, Gustavo M. Sbatella4, Ramawatar Yadav1, Charlemagne Alexander A. Lim1; 1Montana State University, Huntley, MT, 2University of Wyoming, Laramie, WY, 3University of Nebraska-Lincoln, Scottsbluff, NE, 4University of Wyoming, Powell, WY (56)

 

†Effect of Integrated Kochia (Kochia scoparia) Management in a Four Year Rotation Study. Elizabeth G. Mosqueda*1, Andrew Kniss1, Gustavo M. Sbatella2, Nevin C. Lawrence3, Prashant Jha4, David A. Claypool1; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Powell, WY, 3University of Nebraska-Lincoln, Scottsbluff, NE, 4Montana State University, Huntley, MT (57)




TUESDAY  MORNING    MARCH 13

Undergraduate Posters

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Confirmation of ALS-Inhibitor Resistance in Wild Buckwheat (Polygonum convolvulus L. Polco) from Kansas. Abigail Friesen*, Dallas Peterson, Mithila Jugulam; Kansas State University, Manhattan, KS (58)

 

†Relative Competitive Abilities of Bulbous Bluegrass and Downy Brome with Perennial Grasses. Jordan L. Skovgard*1, Beth Fowers2, Brian A. Mealor2; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Sheridan, WY (59)




TUESDAY  MORNING    MARCH 13

New WSWS Member Orientation

LOCATION:   Imperial
TIME:   9:00 AM - 9:30 AM

 





TUESDAY  MORNING    MARCH 13

General Session

LOCATION:   Royal Ballroom
TIME:   9:40 AM - 11:45 AM
MODERATOR:   Andrew Kniss
    University of Wyoming
    Laramie, WY

 

*SPEAKER

 

9:40   Introduction and Announcements. Andrew Kniss*; University of Wyoming, Laramie, WY (60)

 

9:50   Presidential Address. Monte D. Anderson*; Bayer CropScience, Spangle, WA (61)

 

10:10   DC Update. Lee Van Wychen*; WSSA - Director of Science Policy, Alexandria, VA (62)

 

10:30   Land Acknowledgement & Contemporary Indigenous Issues in Science. Lydia Jennings*; University of Arizona, Tucson, AZ (63)

 

11:00   Growing Disneyland. David Marley*; California State University, Fullerton, Fullerton, CA (64)




TUESDAY  AFTERNOON    MARCH 13

Weeds of Range and Natural Areas

LOCATION:   Royal E
TIME:   1:30 PM - 5:00 PM
CHAIR:   Derek Sebastian
    Bayer
    Fort Collins, CO
CO-CHAIR:   Shawna Bautista
    US Forest Service
    Portland, OR
MODERATOR:   Shawna Bautista
    US Forest Service
    Portland, OR

 

*SPEAKER     † STUDENT CONTEST

 

1:30   The Science of Miconia Management in the East Maui Watershed: A Brief History and Bioeconomic Projection of the Future. James Leary*1, Kimberly Burnett2, Chris Wada2, Brooke V. Mahnken3; 1University of Hawaii at Manoa, Kula, HI, 2University of Hawaii, Honolulu, HI, 3Maui Invasive Species Committee, Makawao, HI (65)

 

1:45   Water Temperature as an Environmental Driver of Waterhyacinth (Eichhornia crassipes) Growth. John D. Madsen*; USDA-ARS, Davis, CA (66)

 

2:00   Developing a Detection Method for New Invaders at the Landscape Scale. Lisa C. Jones*, Tim Prather; University of Idaho, Moscow, ID (67)

 

2:15   Scotch Broom Germination and Growth Responses to Red and Far-Red Light: Implications to Logging Debris Effects After Forest Harvesting. Timothy B. Harrington*; USDA Forest Service, Olympia, WA (68)

 

2:30   A Plant Pathologist Looks At Rangeland Ecology Pre and Post Wildfire. William T. Cobb*; Cobb Consulting Services, Kennewick, WA (69)

 

2:45   Herbicide Appliction Using a Pulse Sprayer for Invasive Weed Control in Pasture and Rangeland. Rod Lym*; North Dakota State University, Fargo, ND (70)

 

3:00   Break

 

3:30   Treatment Life of Mesquite Herbicides; Beyond Two Years After Application. Case R. Medlin*1, Allan McGinty2, Wayne Hanselka3, Robert Lyons4, Megan Clayton5, William Thompson6; 1Bayer, Paradise, TX, 2Texas A&M AgriLife Extension (Emeritus), San Angelo, TX, 3Texas A&M AgriLife Extension (Emeritus), Corpus Christi, TX, 4Texas A&M AgriLife Extension, Uvalde, TX, 5Texas A&M AgriLife Extension, Corpus Christi, TX, 6Texas A&M AgriLife Extension, San Angelo, TX (71)

 

3:45   Herbicide Residues in Unexpected Places: Does Aminopyralid Leak from Treated Plants After Basal Bark Application? Gino Graziano*1, Steven S. Seefeldt2, Patrick Tomco3, Mingchu Zhang4; 1University of Alaska Fairbanks, Anchorage, AK, 2Washington State University, Mount Vernon, WA, 3University of Alaska Anchorage, Anchorage, AK, 4University of Alaska Fairbanks, Fairbanks, AK (72)

 

4:00   A Comprehensive Summary of Long-Term Invasive Winter Annual Grass Control with Esplanade 200 SC. Derek J. Sebastian*1, Harold Quicke2, Shannon L. Clark3, Scott J. Nissen3; 1Bayer, Fort Collins, CO, 2Bayer, Windsor, CO, 3Colorado State University, Fort Collins, CO (73)

 

4:15   Does a Dry Herbicide Delivery System Provide Increased Downy Brome Control Beneath a Shrub Canopy? Clay W. Wood*1, Brian A. Mealor2; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Sheridan, WY (74)

 

4:30   Use of the Bioherbicide D7 to Manage Cheatgrass Invasions. Dan R. Tekiela*; University of Wyoming, Laramie, WY (75)

 

4:45   Herbicide Susceptibility of Garden Loosestrife (Lysimachia vulgaris). Timothy W. Miller*; Washington State University, Mt Vernon, WA (76)




TUESDAY  AFTERNOON    MARCH 13

Weeds of Agronomic Crops

LOCATION:   Royal C
TIME:   1:30 PM - 5:00 PM
CHAIR:   Rand Merchant
    BASF
    Colorado Springs, CO
CO-CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
MODERATOR:   Rand Merchant
    BASF
    Colorado Springs, CO

 

*SPEAKER     † STUDENT CONTEST

 

1:30   New Broad-Spectrum Pyroxsulam + Fluroxypyr Herbicide for Grass and Broadleaf Weed Control in Wheat. Mike Moechnig*1, Patti Prasifka2, Joe Yenish3, Roger E. Gast4; 1Dow AgroSciences, Toronto, SD, 2Dow AgroSciences, West Fargo, ND, 3Dow AgroSciences, Billings, MT, 4Dow AgroSciences, Indianapolis, IN (77)

 

1:45   Utility of Arylex™ Active Herbicides for Control of Emerging Weed Threats in Western Canadian Cereal Crops. Rory Degenhardt*1, Jamshid Ashigh2, Len T. Juras3, Laura Smith4, Andrew MacRae4; 1Dow AgroSciences, Edmonton, AB, 2Dow AgroSciences, London, ON, 3Dow AgroSciences, Saskatoon, SK, 4Dow AgroSciences, Winnipeg, MB (78)

 

2:00   AccuDropTM - A New Drift Control and Deposition Adjuvant. Ryan Edwards*1, Greg Dahl1, Thomas A. Hayden2, Jo A. Gillilan3, Eric Spandl4, Joe V. Gednalske1, Ray L. Pigati5; 1WinField United, River Falls, WI, 2WinField United, Owensboro, KY, 3WinField United, Springfield, TN, 4WinField United, St Paul, MN, 5WinField United, Shoreview, MN (79)

 

2:15   HSMOC Adjuvants - Commercial Brands or Make Your Own? Rich Zollinger*, Jason W. Adams, Devin A. Wirth; North Dakota State University, Fargo, ND (80)

 

2:30   Use of Extender Adjuvants with Soil Applied Herbicides. Jason W. Adams*, Rich Zollinger; North Dakota State University, Fargo, ND (81)

 

2:45   Prolonging the Activation Window for Preemergence Herbicides with an At-Cracking Treatment of Paraquat in Chickpeas. Rachel J. Zuger*, Amber L. Hauvermale, Jeanette A. Rodriguez, Lindsay E. Koby, Henry C. Wetzel, Ian C. Burke; Washington State University, Pullman, WA (82)

 

3:00   Break

 

3:30   Potential Fit for New Products for Broadleaf Weed Management in Grasses Grown for Seed. Dan W. Curtis*, Kyle C. Roerig, Andy G. Hulting, Carol Mallory-Smith; Oregon State University, Corvallis, OR (83)

 

3:45   Pre and Early Postemergent Control of Dock spp. with Flumetsulam and 2,4-DB in Clover spp. Grown for seed. Kyle C. Roerig*, Andy G. Hulting, Dan W. Curtis, Carol Mallory-Smith; Oregon State University, Corvallis, OR (84)

 

4:00   Commercial Launch of the CoAXium Wheat Production System. Chad Shelton*1, Todd Gaines2, Eric Westra2, Scott Haley2, Curtis M. Hildebrandt2, Phil Westra2; 1Albaugh, LLC, Rosalia, WA, 2Colorado State University, Fort Collins, CO (85)

 

4:15   Application Methods to Improve Herbicide Spray Deposition in Wheat Residue. Cody Creech*, Luana Simao; University of Nebraska, Scottsbluff, NE (86)

 

4:30   Controlling Glyphoate Resistant Kochia in Wheat Stubble. Curtis R. Thompson*1, Alan J. Schlegel2, Dallas Peterson1; 1Kansas State University, Manhattan, KS, 2Kansas State University, Tribune, KS (87)

 

4:45   Effect of Fallow Management on Weed Infestation. Carolina San Martín*1, Dan Long2, Judit Barroso1; 1Oregon State University, Adams, OR, 2USDA-ARS, Adams, OR (88)




TUESDAY  AFTERNOON    MARCH 13

Basic Biology and Ecology

LOCATION:   Royal D&F
TIME:   1:45 PM - 4:30 PM
CHAIR:   Nevin Lawrence
    University of Nebraska-Lincoln
    Pullman, WA
CO-CHAIR:   Lynn Sosnoskie
    University of California Cooperative Extension
    Merced, CA
MODERATOR:   Nevin Lawrence
    University of Nebraska-Lincoln
    Scottsbluff, NE

 

*SPEAKER     † STUDENT CONTEST

 

1:45   †Phylogenetic Analysis of Native and Invasive Phragmites australis Haplotypes in Colorado . Neeta Soni*, Eric Patterson, Todd Gaines; Colorado State University, Fort Collins, CO (89)

 

2:00   †Shade Avoidance in Sugarbeet: Tragedy of the Commons? Albert T. Adjesiwor*, Andrew Kniss; University of Wyoming, Laramie, WY (90)

 

2:15   †Effect of Water Potential on Germination of Kochia (Kochia scoparia) Accessions from the US Great Plains. Ramawatar Yadav*1, Prashant Jha1, Andrew Kniss2, Gustavo M. Sbatella3, Nevin C. Lawrence4; 1Montana State University, Huntley, MT, 2University of Wyoming, Laramie, WY, 3University of Wyoming, Powell, WY, 4University of Nebraska-Lincoln, Scottsbluff, NE (91)

 

2:30   †Effect of Crop Canopy and Herbicide Treatment on Kochia (Kochia scoparia) Density and Seed Production. Elizabeth G. Mosqueda*1, Andrew Kniss1, Gustavo M. Sbatella2, Nevin C. Lawrence3, Prashant Jha4, David A. Claypool1; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Powell, WY, 3University of Nebraska-Lincoln, Scottsbluff, NE, 4Montana State University, Huntley, MT (92)

 

2:45   †Why is Inhibition of Glutamine Synthetase Toxic to Plants? Hudson K. Takano*, Phil Westra, Franck E. Dayan; Colorado State University, Fort Collins, CO (93)

 

3:00   Break

 

3:30   Mechanism of Resistance to Glyphosate in Annual Bluegrass from California Perennial Crops. Caio Augusto Brunharo*, Sarah Morran, Brad Hanson; University of California, Davis, Davis, CA (94)

 

3:45   †First Case of Imazamox-Resistance Jointed goatgrass (Aegilops cylindrica Host.) in the Pacific Northwest. Jeanette A. Rodriguez*, Amber L. Hauvermale, Rachel J. Zuger, Caleb C. Squires, Lindsay E. Koby, Arron Carter, Ian C. Burke; Washington State University, Pullman, WA (95)

 

4:00   †Surfactant Effects on Absorption and Transolcation of Metsufuron in Smooth Scouringrush (Equisetum laevigatum). Lindsay E. Koby*, Rachel J. Zuger, Ian C. Burke, Drew J. Lyon; Washington State University, Pullman, WA (96)

 

4:15   Herbicide Resistant Weed Research Portfolio at Colorado State University. Phil Westra*, Todd Gaines, Eric Patterson, Franck E. Dayan; Colorado State University, Fort Collins, CO (97)




WEDNESDAY  MORNING    MARCH 14

New WSWS Officer Orientation

LOCATION:   Imperial
TIME:   9:00 AM - 9:30 AM

 





WEDNESDAY  MORNING    MARCH 14

Weeds of Range and Natural Areas

LOCATION:   Royal E
TIME:   9:45 AM - 11:30 AM
CHAIR:   Derek Sebastian
    Bayer
    Fort Collins, CO
CO-CHAIR:   Shawna Bautista
    US Forest Service
    Portland, OR
MODERATOR:   Shawna Bautista
    US Forest Service
    Portland, OR

 

*SPEAKER     † STUDENT CONTEST

 

9:45   Indaziflam Effects on Seed Production and Viability for Various Rangeland Grasses. Beth Fowers*, Brian A. Mealor; University of Wyoming, Sheridan, WY (98)

 

10:00   †Using a New Natural Areas Herbicide to Control Winter Annual Grasses and Establish Native Species. Shannon L. Clark*1, Derek J. Sebastian2, Scott J. Nissen1; 1Colorado State University, Fort Collins, CO, 2Bayer, Fort Collins, CO (99)

 

10:15   Medusahead and Ventenata in the Northern Great Plains Ecoregion: Invasion History and Management Efforts. Brian A. Mealor*1, Beth Fowers1, Luke Sander2; 1University of Wyoming, Sheridan, WY, 2Sheridan County Weed and Pest, Sheridan, WY (100)

 

10:30   †Needles in a Haystack: Identifying Thresholds in Annual Grass-Dominated Rangelands. Clay W. Wood*1, Brian A. Mealor2; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Sheridan, WY (101)

 

10:45   Aminopyralid in Combination with Picloram and Fluroxypyr for Pricklypear Control in Texas. James Jackson*1, Morgan Russell2, Charles Hart3; 1Texas A&M AgriLife Extension, Stephenville, TX, 2Texas A&M AgriLife Extension, San Angelo, TX, 3Dow AgroSciences, Stephenville, TX (102)

 

11:00   Timing Aminopyralid Applications to Prevent Medusahead (Taeniatherum caput-medusae (L.) Nevski) Seed Production Controls the Invader and Increases Forage Grasses . Matthew J. Rinella*1, Josh S. Davy2, Guy B. Kyser3, Vanelle F. Peterson4, Fadzayi E. Mashiri5, Jeremy J. James6; 1USDA-ARS, Miles City, MT, 2University of California Cooperative Extension, Red Bluff, CA, 3University of California, Davis, Davis, CA, 4Dow AgroSciences, Ft Collins, CO, 5University of California Cooperative Extension, Mariposa, CA, 6UC Sierra Foothill Research and Extension Center, Browns Valley, CA (103)




WEDNESDAY  MORNING    MARCH 14

Weeds of Agronomic Crops

LOCATION:   Royal C
TIME:   9:45 AM - 11:30 AM
CHAIR:   Rand Merchant
    BASF
    Colorado Springs, CO
CO-CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
MODERATOR:   Rand Merchant
    BASF
    Colorado Springs, CO

 

*SPEAKER     † STUDENT CONTEST

 

9:45   Are Auxinic Premixes that include Fluroxypyr Safer to Wheat? Kirk A. Howatt*, Joseph E. Mettler; North Dakota State University, Fargo, ND (104)

 

10:00   †Characterizing Putative Fluroxypyr Resistance in Kochia Scoparia. Olivia E. Todd*, Todd Gaines, Phil Westra, Dean Pettinga, Eric Westra; Colorado State University, Fort Collins, CO (105)

 

10:15   Fluroxypyr Control of Kochia (Kochia Scoparia) in the North America Northern Plains from 1990 to 2014 - A Historical Perspective. Roger E. Gast*1, Len T. Juras2, Don Hare3, Joe Yenish4, Rory Degenhardt5; 1Dow AgroSciences, Indianapolis, IN, 2Dow AgroSciences, Saskatoon, SK, 3Dow AgroSciences (retired), Edmonton, AB, 4Dow AgroSciences, Billings, MT, 5Dow AgroSciences, Edmonton, AB (106)

 

10:30   Crop Tolerance and Weed Control in Direct Seeded Onion with Bicyclopyrone. Tara L. Burke*, Rachel J. Zuger, Amber L. Hauvermale, Lindsay E. Koby, Caleb C. Squires, Jeanette A. Rodriguez, Tim Waters, Ian C. Burke; Washington State University, Pullman, WA (107)

 

10:45   Impact of Winter Rye Cover Crop on Weed Control and Pinto Bean Production. Gregory J. Endres*, Mike H. Ostlie; North Dakota State University, Carrington, ND (108)

 

11:00   †Frequency and Distribution of Herbicide Resistant Biotypes of Italian Ryegrass (Lolium perenne ssp. multiflorum) in the Willamette Valley of Western Oregon. Lucas Kopecky Bobadilla*1, Felipe Augusto Stella2, Pete A. Berry1, Andy G. Hulting1, Carol Mallory-Smith1; 1Oregon State University, Corvallis, OR, 2University of Sao Paulo, Piracicaba, Brazil (109)

 

11:15   The Effect of Climate Conditions on Weed Competition and Wheat Yields in the Northern Great Plains. Tim Seipel*1, Sue Ishaq Pelligrini2, Fabian Menalled1; 1Montana State University, Bozeman, MT, 2University of Oregon, Eugene, OR (110)

 

11:30   †Using an Unmanned Aerial Vehicle to Detect Herbicide Damage with a Mulitspectral Camera. Pete A. Berry*, Dan W. Curtis, Andy G. Hulting, Carol Mallory-Smith; Oregon State University, Corvallis, OR (111)




WEDNESDAY  MORNING    MARCH 14

Basic Biology and Ecology

LOCATION:   Royal D&F
TIME:   9:45 AM - 11:15 AM
CHAIR:   Nevin Lawrence
    University of Nebraska-Lincoln
    Scottsbluff, NE
CO-CHAIR:   Lynn Sosnoskie
    University of California Cooperative Extension
    Merced, CA
MODERATOR:   Nevin Lawrence
    University of Nebraska-Lincoln
    Scottsbluff, NE

 

*SPEAKER



WEDNESDAY  MORNING    MARCH 14

Awards Luncheon

LOCATION:   North Tower Pool Area
TIME:   11:45 AM - 1:30 PM
MODERATOR:   Monte Anderson
    Bayer CropScience
    Spangle, WA

 





WEDNESDAY  AFTERNOON    MARCH 14

Weeds of Horticultural Crops

LOCATION:   Royal D&F
TIME:   1:45 PM - 3:15 PM
CHAIR:   Andrew Robinson
    North Dakota State University / University of Minnesota
    Fargo, ND
CO-CHAIR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR
MODERATOR:   Andrew Robinson
    North Dakota State University / University of Minnesota
    Fargo, ND

 

*SPEAKER



WEDNESDAY  AFTERNOON    MARCH 14

Weeds of Agronomic Crops

LOCATION:   Royal C
TIME:   1:45 PM - 3:15 PM
CHAIR:   Rand Merchant
    BASF
    Colorado Springs, CO
CO-CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
MODERATOR:   Rand Merchant
    BASF
    Colorado Springs, CO

 

*SPEAKER     † STUDENT CONTEST

 

1:45   Soybean Variety Sensitivity to Dicamba. Mike H. Ostlie*1, Gregory J. Endres1, Kirk A. Howatt2; 1North Dakota State University, Carrington, ND, 2North Dakota State University, Fargo, ND (112)

 

2:00   †Effect of Seeding Rate and Herbicides on Weed Control of Dry Bean in Narrow Rows. Don W. Morishita, Kathrin LeQuia*; University of Idaho, Kimberly, ID (113)

 

2:15   Characterisation of Palmer amaranth Populations from Kansas with Resistance to Multiple Herbicides. Vipan Kumar*, Phil Stahlman, Grant Boyer; Kansas State University, Hays, KS (114)

 

2:30   †Integrating Crop Rotation and Herbicide Programs to Improve Control of Problematic Weed Species in Sugarbeet. Clint W. Beiermann*1, Nevin C. Lawrence2; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, Scottsbluff, NE (115)

 

2:45   Seed Retention of Major Weed Species at Harvest in the PNW. Judit Barroso*1, Carolina San Martín1, Mark E. Thorne2, Drew J. Lyon2; 1Oregon State University, Adams, OR, 2Washington State University, Pullman, WA (116)

 

3:00   †Brassicaceae Seed Persistence Under Different Tillage Regimes in The Willamette Valley. Gabriel D. Flick*, Carol Mallory-Smith; Oregon State University, Corvallis, OR (117)




WEDNESDAY  AFTERNOON    MARCH 14

Teaching and Technology Transfer

LOCATION:   Royal E
TIME:   1:45 PM - 2:45 PM
CHAIR:   Dan Tekiela
    University of Wyoming
    Laramie, WY
CO-CHAIR:   Kirk Howatt
    North Dakota State University
    Fargo, ND
MODERATOR:   Dan Tekiela
    University of Wyoming
    Laramie, WY

 

*SPEAKER

 

1:45   Multi-Species Herbicide Efficacy Screens:  A Tool for Teaching Herbicide Mode of Action Principles to Agronomists. Andy G. Hulting*, Dan W. Curtis, Kyle C. Roerig, Carol Mallory-Smith; Oregon State University, Corvallis, OR (118)

 

2:00   Wyoming Restoration Challenge: Winners, Losers, and Lessons Learned in Invasive Grass Restoration. Brian A. Mealor*1, Beth Fowers1, Clay W. Wood2; 1University of Wyoming, Sheridan, WY, 2University of Wyoming, Laramie, WY (119)

 

2:15   Updates to the WSU Tree Fruit Weed Science Webpage - Weed Science Extension Outreach in the Columbia Basin. Lynn M. Sosnoskie*; University of California Cooperative Extension, Merced, CA (120)

 

2:30   Turning a New Leaf: Engaging Industries in Policy Decision-Making for Prevention of Invasive Plant Introductions. James Leary1, Chelsea Arnott*2, Linda Cox3, Christy Martin3, M Randa Sandlin3; 1University of Hawaii at Manoa, Kula, HI, 2University of Hawaii, Kaneohe, HI, 3University of Hawaii, Honolulu, HI (121)




WEDNESDAY  AFTERNOON    MARCH 14

Teaching and Technology Transfer

LOCATION:   Royal D&F
TIME:   3:30 PM - 5:00 PM
CHAIR:   Dan Tekiela
    University of Wyoming
    Laramie, WY
CO-CHAIR:   Kirk Howatt
    North Dakota State University
    Fargo, ND
MODERATOR:   Dan Tekiela
    University of Wyoming
    Laramie, WY

 

*SPEAKER



WEDNESDAY  AFTERNOON    MARCH 14

Education and Regulatory

LOCATION:   Royal C
TIME:   3:30 PM - 5:00 PM
CHAIR:   Dirk Baker
    Campbell Scientific, INC.
    Logan, UT
CO-CHAIR:   Brian Schutte
    New Mexico State University
    Las Cruces, NM
MODERATOR:   Brian Schutte
    New Mexico State University
    Las Cruces, NM

 

*SPEAKER

 

3:30   Introduction to the Herbicide Resistance Regional Listening Sessions. Brian J. Schutte*; New Mexico State University, Las Cruces, NM (122)

 

3:45   Great Plains Listening Session Synopsis. Prashant Jha*1, Phil Stahlman2, Sandra K. McDonald3, Todd Gaines4, Andrew Kniss5, Nevin C. Lawrence6, Phil Westra4, Sarah M. Ward4, Dallas Peterson7, Randy Currie8, Stevan Z. Knezevic9, Robert Klein10; 1Montana State University, Huntley, MT, 2Kansas State University, Hays, KS, 3Mountain West Pest, Fort Collins, CO, 4Colorado State University, Fort Collins, CO, 5University of Wyoming, Laramie, WY, 6University of Nebraska-Lincoln, Scottsbluff, NE, 7Kansas State University, Manhattan, KS, 8Kansas State University, Garden City, KS, 9University of Nebraska-Lincoln, Concord, NE, 10University of Nebraska, North Platte, NE (123)

 

4:00   Southwest Listening Session Synopsis. Brad Hanson*; University of California, Davis, Davis, CA (124)

 

4:15   Pacific Northwest Listening Session Synopsis. Don W. Morishita*1, Ian C. Burke2; 1University of Idaho, Kimberly, ID, 2Washington State University, Pullman, WA (125)

 

4:30   Discussion. Brian J. Schutte*; New Mexico State University, Las Cruces, NM (126)




WEDNESDAY  AFTERNOON    MARCH 14

Weeds of Horticultural Crops

LOCATION:   Royal E
TIME:   3:45 PM - 5:00 PM
CHAIR:   Andrew Robinson
    North Dakota State University / University of Minnesota
    Fargo, ND
CO-CHAIR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR
MODERATOR:   Andrew Robinson
    North Dakota State University / University of Minnesota
    Fargo, ND

 

*SPEAKER     † STUDENT CONTEST

 

3:45   Developing Pest Management Applications with Unmanned Aerial Systems. James Leary1, Ken Giles*2, Roberto Rodriguez3, Daniel Jenkins3; 1University of Hawaii at Manoa, Kula, HI, 2University of California, Davis, Davis, CA, 3University of Hawaii, Honolulu, HI (127)

 

4:00   †Soil Solarization in Oregon: The Impact of Solarization Duration and Soil Moisture on Weed Control in a Tree Seedling Nursery. Nami Wada*, Jennifer Parke, Pete A. Berry, Lucas Kopecky Bobadilla, Carol Mallory-Smith; Oregon State University, Corvallis, OR (128)

 

4:15   Effect of Glyphosate and Dicamba Residues in Russet Burbank Seed. Andrew Robinson*1, Nelson Geary2, Harlene Hatterman-Valenti2, Gary Secor2, Asunta Thompson2, Rich Zollinger2; 1North Dakota State University / University of Minnesota, Fargo, ND, 2North Dakota State University, Fargo, ND (129)

 

4:30   Ethalfluralin Potato Tolerance: Processor and Specialty Varieties. Pam Hutchinson*1, George Newberry2, Brent Beutler3; 1University of Idaho, Aberdeen, ID, 2Gowan Company, Boise, ID, 3University of Idaho, American Falls, ID (130)

 

4:45   Weed Control in Pacific Northwest Potatoes. Steven S. Seefeldt*1, Pam Hutchinson2, Timothy W. Miller3; 1Washington State University, Mount Vernon, WA, 2University of Idaho, Aberdeen, ID, 3Washington State University, Mt Vernon, WA (131)




WEDNESDAY  AFTERNOON    MARCH 14

What's New In Industry

LOCATION:   Royal C
TIME:   5:00 PM - 6:00 PM
MODERATOR:   Charlie Hicks
    Bayer CropScience
    Fort Collins, CO

 





THURSDAY  MORNING    MARCH 15

Business Breakfast

LOCATION:   Royal A&B
TIME:   6:30 AM - 9:00 AM
MODERATOR:   Monte Anderson
    Bayer CropScience
    Spangle, WA

 





THURSDAY  MORNING    MARCH 15

Weeds of Horticultural Crops

LOCATION:   Royal E
TIME:   9:30 AM - 11:00 AM
CHAIR:   Andrew Robinson
    North Dakota State University / University of Minnesota
    Fargo, ND
CO-CHAIR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR
MODERATOR:   Andrew Robinson
    North Dakota State University / University of Minnesota
    Fargo, ND

 

*SPEAKER     † STUDENT CONTEST

 

9:30   Efficacy of Dormant Season PRE Herbicides for Spring/Summer Weed Control in Apples. Lynn M. Sosnoskie*1, Ian C. Burke2; 1University of California Cooperative Extension, Merced, CA, 2Washington State University, Pullman, WA (132)

 

9:45   Weed Management in Western Pecans with Penoxsulam+Oxyfluorfen. Jesse M. Richardson*1, William B. McCloskey2, Richard K. Mann3; 1Dow AgroSciences, Hesperia, CA, 2University of Arizona, Tucson, AZ, 3Dow AgroSciences, Franklin, IN (133)

 

10:00   Evaluation of Preemergence and Postemergence Herbicides for the Control of Panic Liverseedgrass (Urochloa panicoides) in Desert Turf. Kai Umeda*; University of Arizona, Phoenix, AZ (134)

 

10:15   Effect of Herbicides on Newly Transplanted Red Raspberry Plugs. Wiharti O. Purba*1, Steven S. Seefeldt1, Timothy W. Miller2; 1Washington State University, Mount Vernon, WA, 2Washington State University, Mt Vernon, WA (135)

 

10:30   Saflufenacil and Pyridate Efficacy and Tolerance in Western Mint Production. Rick A. Boydston*1, Robert Wilson2, Andy G. Hulting3; 1USDA-ARS, Prosser, WA, 2University of California, Tulelake, CA, 3Oregon State University, Corvallis, OR (136)

 

10:45   Flumioxazin for Postemergence-Directed Applications in Chile Pepper. Brian J. Schutte*; New Mexico State University, Las Cruces, NM (137)




THURSDAY  MORNING    MARCH 15

Weeds of Range and Natural Areas

LOCATION:   Royal D&F
TIME:   9:45 AM - 11:15 AM
CHAIR:   Shawna Bautista
    US Forest Service
    Portland, OR
CO-CHAIR:   Derek Sebastian
    Bayer
    Fort Collins, CO
MODERATOR:   Timothy Harrington
    USDA Forest Service
    Olympia, WA

 

*SPEAKER



THURSDAY  MORNING    MARCH 15

Weeds of Agronomic Crops

LOCATION:   Royal C
TIME:   9:45 AM - 11:15 AM
CHAIR:   Rand Merchant
    BASF
    Colorado Springs, CO
CO-CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
MODERATOR:   Rand Merchant
    BASF
    Colorado Springs, CO

 

*SPEAKER