PROGRAM

TUESDAY  MORNING    MARCH 12

Weeds of Range, Forest, and Natural Areas

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Effects of Ventenata Removal on Rangelands of Northeast Wyoming. Marshall Hart*1, Brian A. Mealor2; 1University of Wyoming, Sheridan, WY, 2University of Wyoming, Laramie, WY (1)

 

†Management of Ventenata (Ventenata dubia) and Other Annual Grasses with Indaziflam on Conservation Reserve Program Land. Jared A. Beuschlein*1, Rachel J. Zuger1, Tim Prather2, Harry Quicke3, Ian C. Burke1; 1Washington State University, Pullman, WA, 2University of Idaho, Moscow, ID, 3Bayer CropScience, Windsor, CO (2)

 

†Rimsulfuron, Imazapic, and Indaziflam Interception and Sorption by Downy Brome Thatch. Shannon L. Clark*1, Paulo V. Da Silva2, Derek J. Sebastian3, Scott J. Nissen4, Rachel H. Seedorf1; 1Colorado State University, Fort Collins, CO, 2University of São Paulo - Luiz de Queiroz College of Agriculture (ESALQ/USP), Fort Collins, CO, 3Bayer CropScience, Fort Collins, CO, 4Colorado State University, Ft Collins, CO (3)

 

†Effect of Indaziflam on Native Species in Natural Areas and Rangeland. Rachel H. Seedorf*1, Shannon L. Clark1, Derek J. Sebastian2, Scott J. Nissen3, James Sebastian4; 1Colorado State University, Fort Collins, CO, 2Bayer CropScience, Fort Collins, CO, 3Colorado State University, Ft Collins, CO, 4Boulder County Parks and Open Space, Longmont, CO (4)

 

†Impacts of Herbicides on Invasive Annual Grasses and Desirable Plants. Hailey L. Buell*, Corey V. Ransom, Stephen L. Young; Utah State University, Logan, UT (5)

 

†Determining Potential Soil Benefits of Established Crested Wheatgrass Versus Adjacent Cheatgrass Invasion. Emily B. Repas*, Dan R. Tekiela; University of Wyoming, Laramie, WY (6)

 

†Variation of Seed Germination Response of Phragmites australis to Salinity Stress. Rose Sepesy*, Steve Young; Utah State University, Logan, UT (7)

 

Ecological Services of Weeds. John Vickery*; Ark Ecological Services, Arvada, CO (8)

 

Accuracy and Efficiency of Drone Imagery for Detecting Elongated Mustard. Corey V. Ransom*, Heather E. Olsen; Utah State University, Logan, UT (9)

 

Herbicide Application Timing Influences Invasive Annual Grass Control. Cody J. Beckley*, Corey V. Ransom; Utah State University, Logan, UT (10)




TUESDAY  MORNING    MARCH 12

Weeds of Horticultural Crops

 

*PRESENTER     † STUDENT POSTER CONTEST

 

Interseeded Cover Crop Tolerance to Herbicides in Non-Transgenic Sweet Corn. Andrew Donaldson*, Ed Peachey; Oregon State University, Corvallis, OR

 

†The Use of Saturated Steam in the Management of Common Landscape Weeds. Guy G. Hernandez*1, Cheryl Wilen2; 1University of California Cooperative Extension, Agriculture and Natural Resources, California State Polytechnic University, Pomona, San Diego, CA, 2UC Statewide IPM Program and UCCE, San Diego, CA (11)

 

†Comparing Herbicides Efficacy for Sucker Control in Hazelnuts. Larissa Larocca de Souza*, Marcelo L. Moretti; Oregon State University, Corvallis, OR (12)

 

Postemergence Control of Italian Ryegrass in Hazelnut Orchards. Andre C. Consonni1, Larissa Larocca de Souza2, Marcelo L. Moretti*2; 1University of Sao Paulo, Piracicaba, Brazil, 2Oregon State University, Corvallis, OR (13)

 

Rimsulfuron and Oxyfluorfen + Penoxsulam Combinations for Weed Control in Tree Nuts. Joe Armstrong*1, Alistair McKay2, Stephen F. Colbert3, Dave Johnson4; 1Corteva Agriscience, Fresno, CA, 2Corteva Agriscience, Clovis, CA, 3DuPont Crop Protection, Escalon, CA, 4DuPont Crop Protection, Des Moines, IA (14)

 

Wild Carrot Control in Vineyards with Flazasulfuron. Andre C. Consonni1, Erik N. Augerson*2, Larissa Larocca de Souza2, Marcelo L. Moretti2; 1University of Sao Paulo, Piracicaba, Brazil, 2Oregon State University, Corvallis, OR (15)

 

Weed Management in Saffron. Mustapha A. Haidar*; American University of Beirut, Beirut, Lebanon (16)

 

Seaside petunia (Calibrachoa parviflora) Effects on Onion Yield and Responses to POST Herbicides Registered for Dry Bulb Onion in New Mexico. Brian J. Schutte*, Edward Morris; New Mexico State University, Las Cruces, NM (17)

 

Is That Hairy Nightshade Waving at You or Smoothly Ignoring You? Solanum physalifolium Leaf Margins in Southern Idaho. Celestina S. Miera*1, Brenda C. Kendall1, Tenika S. Trevino1, Brent Beulter2, Pamela J. Hutchinson3; 1, Aberdeen, ID, 2University of Idaho, American Falls, ID, 3University of Idaho Aberdeen R&E Center, Aberdeen, ID (18)




TUESDAY  MORNING    MARCH 12

Weeds of Agronomic Crops

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Using Cover Crops to Manage Kochia scoparia in Wheat Production Systems of the Western United States. Dani M. Thiemann*1, Stephen L. Young2, Earl Creech2, Corey V. Ransom2, Don W. Morishita3; 1Utah State University, Nibley, UT, 2Utah State University, Logan, UT, 3University of Idaho, Kimberly, ID

 

†Palmer Amaranth Interference in Sugarbeet. Whitney R. Schultz*, Nevin C. Lawrence; University of Nebraska-Lincoln, Scottsbluff, NE (19)

 

†The Effect of Soil Active Herbicides on the Critical Timing of Weed Removal in Dry Bean. Clint W. Beiermann*1, Cody F. Creech2, Amit J. Jhala3, Stevan Z. Knezevic4, Robert Harveson1, Nevin C. Lawrence1; 1University of Nebraska-Lincoln, Scottsbluff, NE, 2University of Nebraska, Scottsbluff, NE, 3University of Nebraska-Lincoln, Lincoln, NE, 4University of Nebraska-Lincoln, Concord, NE (20)

 

†Horseweed (Erigeron canadensis) Control in No-Till Soybean Systems. Aaron M. Froemke*, Kirk A. Howatt; North Dakota State University, Fargo, ND (21)

 

Techniques and Economic Analysis Using Weed Sensing Sprayer Technology for Fallow Weed Control. Jeremy R. Thompson*, Rachel J. Zuger, Ian C. Burke; Washington State University, Pullman, WA (22)

 

†Broadleaf Weed Control with Pulse-Width Modulation Technology in Wheat and Soybean. Kelly T. Satrom*, Kirk A. Howatt; North Dakota State University, Fargo, ND (23)

 

†Non-Tolerant Wheat Response to Simulated Drift of Quizalofop-P-ethyl in Central Oklahoma. Justin T. Childers*1, Misha R. Manuchehri1, Vipan Kumar2, Rui Liu2, Jodie A. Crose1; 1Oklahoma State University, Stillwater, OK, 2Kansas State University, Hays, KS (24)

 

†Late-Season Herbicides to Suppress Downy Brome Seed Production and Progeny Fitness in Winter Wheat. Ramawatar Yadav*, Prashant Jha, Shane Leland; Montana State University, Huntley, MT (25)

 

†Mustard Seed Meal Effects on Palmer amaranth Seedbanks. Joseph B. Wood*, Brian J. Schutte, Ivette Guzman, Soum Sanogo; New Mexico State University, Las Cruces, NM (26)

 

†Economics of Cultural, Mechanical, and Chemical Weed Control Practices for Herbicide-Resistant Weed Management. Elizabeth G. Mosqueda*1, Andrew Kniss1, John Ritten1, Nevin C. Lawrence2, Prashant Jha3, Gustavo M. Sbatella4; 1University of Wyoming, Laramie, WY, 2University of Nebraska-Lincoln, Scottsbluff, NE, 3Montana State University, Huntley, MT, 4University of Wyoming, Powell, WY (27)

 

†Deciphering the Molecular Basis of Multiple Herbicide Resistance in Common Watrerhemp by Whole Genome Resequencing. Balaji Aravindhan Pandian*, Sanzhen Liu, Venkatesh Prasad Ranganath, Vara Prasad P.V., Mithila Jugulam; Kansas State University, Manhattan, KS (28)

 

†Rapid Metabolism Increases Resistance to 2,4-D in Common Waterhemp (Amaranthus tuberculatus) under High-Temperature. Chandrima Shyam*1, Amit J. Jhala2, Mithila Jugulam1, Greg Kruger2; 1Kansas State University, Manhattan, KS, 2University of Nebraska-Lincoln, Lincoln, NE (29)

 

†The Recent Scenario of Italian Ryegrass Herbicide Resistance Frequency & Ploidy Diversity in Western Oregon. Lucas Kopecky Bobadilla*1, Camila R. P. Lima2, Pete A. Berry3, Andrew G. Hulting1, Carol Mallory-Smith1; 1Oregon State University, Corvallis, OR, 2University of Sao Paulo, Piracicaba, Brazil, 3Oregon State Univ., Corvallis, OR (30)

 

Weed Suppression by Warm-Season Cover Crops. Greta G. Gramig*1, Jose G. Franco2, Kenneth P. Beamer1; 1North Dakota State University, Fargo, ND, 2USDA-ARS, Mandan, ND (31)

 

Management of Rhizoctonia Root and Crown Rot Disease in Sugar Beet with Glyphosate/Fungide Tank-Mixes to Improve Farm Efficacy. William L. Stump*, Stephan Carl Geu; University of Wyoming, Laramie, WY (32)

 

Evaluation of Flax Tolerance to Preemergence and Postemergence Herbicide Applications. Daniel Guimaraes Abe*1, Caleb D. Dalley1, Brian Jenks2; 1North Dakota State University, Hettinger, ND, 2North Dakota State University, Minot, ND (33)

 

Pinto Bean Response to Low Doses of Dicamba and Glyphosate. Greg J. Endres*, Mike H. Ostlie; North Dakota State University, Carrington, ND (34)

 

Effects of Dicamba Ultra Micro-rates on Soybean Yield – Hormesis or not? Stevan Z. Knezevic*1, O. Adewale Osipitan2, Luka G. Milosevic1, Jon E. Scott1; 1University of Nebraska-Lincoln, Concord, NE, 2University of Nebraska-Lincoln, Lincoln, NE (35)

 

Effects of Selected Adjuvants over Two Seasons on Weed Control in Corn and Soybeans with Glufosinate-ammonium. Jim T. Daniel*1, Tom Hoverstad2, Paul O. Johnson3, Michael Owen4, Eric Westra5, Phil Westra5; 1Daniel Ag Consulting, Keenesburg, CO, 2University of Minnesota Southern Research and Outreach Center, Waseca, MN, 3South Dakota State University, Brookings, SD, 4Iowa Stae University, Ames, IA, 5Colorado State University, Fort Collins, CO (36)

 

Effective Herbicide Programs for Managing Glyphosate-Resistant Palmer Amaranth in Kansas Sunflower Production. Rui Liu*1, Vipan Kumar1, Taylor Lambert1, Jeanne Falk Jones2; 1Kansas State University, Hays, KS, 2Kansas State University, Colby, KS (37)

 

Pyraclonil: A New Broad-Spectrum Herbicide Under Field Development for California Rice. Amar S. Godar1, Kassim Al-Khatib*2, Jose Gutierrez3; 1University of California, Biggs, CA, 2University of California - Davis, Davis, CA, 3Nichino America, Fresno, CA (38)

 

Bearded Sprangletop (Leptochloa fusca spp. fasicularis) Flooding Tolerance in California Rice. Katie E. Driver*, Kassim Al-Khatib, Amar Godar; University of California - Davis, Davis, CA (39)

 

Evaluation of Florpyrauxifen-benzyl for Weed Control and Crop Safety in California Rice. Amar S. Godar1, Kassim Al-Khatib*2; 1University of California, Biggs, CA, 2University of California - Davis, Davis, CA (40)

 

Potential for Gibberellic Acid to Stimulate Hairy Nightshade Emergence in the Field. Don W. Morishita*1, Pamela J. Hutchinson2, Alexis M. Thompson3, Rabecka L. Hendricks1, Brent Beulter4, Kathrin D. LeQuia3; 1University of Idaho, Kimberly, ID, 2University of Idaho Aberdeen R&E Center, Aberdeen, ID, 3, Kimberly, ID, 4University of Idaho, American Falls, ID (41)

 

Palmer Amaranth Response to Glufosinate Plus Dicamba or 2,4-D Mixtures. William B. McCloskey*; University of Arizona, Tucson, AZ (42)

 

An Update on Multiple Herbicide-Resistant Palmer Amaranth in Kansas. Vipan Kumar*, Rui Liu, Taylor Lambert; Kansas State University, Hays, KS (43)

 

Broadleaf Weed Control in Wheat with Halauxifen Plus Florasulam. Traci Rauch*, Joan Campbell; University of Idaho, Moscow, ID (44)

 

Pyroxasulfone Application Timing Affects Italian Ryegrass Control in Winter Wheat. Henry C. Wetzel*, Drew J. Lyon; Washington State University, Pullman, WA (45)

 

Is Volunteer Wheat a Serious Weed in Annual Winter Wheat Production? Judit Barroso*1, Stewart B. Wuest2; 1Oregon State University, Adams, OR, 2USDA-Agricultural Research Service, Adams, OR (46)




TUESDAY  MORNING    MARCH 12

Teaching and Technology Transfer

 

*PRESENTER

 

A Short Course on Herbicide Modes of Action and Herbicide Resistance. Tom Mueller*1, Todd A. Gaines2, Dale Shaner2, Franck Dayan2; 1University of Tennessee, Knoxville, TN, 2Colorado State University, Fort Collins, CO (47)

 

Educating Constituents About Herbicide Injury to Non-Target Plants. Noelle Orloff*1, Jane Mangold2, Tim Seipel2; 1Montana State University Extension, Bozeman, MT, 2Montana State University, Bozeman, MT (48)

 

WSSA Advocates for Weed Controls that Protect Soybean Export Value. Carroll Moseley1, Lee Van Wychen*2, Heather Curlett3, Jill Schroeder4, Patsy Laird1, Shawn P. Conley5; 1Syngenta, Greensboro, NC, 2WSSA - Executive Director of Science Policy, Alexandria, VA, 3USDA-APHIS, Riverdale, MD, 4New Mexico State University, Arlington, VA, 5University of Wisconsin-Madison, Madison, WI (49)

 

Fresh Ideas for Teaching Organic Pest Management in the Classroom. Randa Jabbour*, Makenzie E. Pellissier; University of Wyoming, Laramie, WY (50)




TUESDAY  MORNING    MARCH 12

Basic Biology and Ecology

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Fate of Glyphosate During Production and Processing of Glyphosate-Resistant Sugar Beet (Beta vulgaris). Abigail Barker*, Franck Dayan; Colorado State University, Fort Collins, CO (51)

 

Response of Glyphosate-Susceptible and Resistant Palmer Amaranth to Environmental Stresses During Germination and Growth. Samikshya Budhathoki1, Lynn M. Sosnoskie*2, Anil Shrestha1; 1California State University, Fresno, CA, 2University of California - Davis, Davis, CA (52)

 

Environmental Effects on Chemical Management of Junglerice (Echinochloa colona). Anil Shrestha*, Ryan Cox, Mala To, Samikshya Budhathoki, Katrina Steinhauer; California State University, Fresno, CA (53)

 

Emergence Dynamics of Palmer Amaranth Populations from the Central Great Plains. Vipan Kumar*1, Rui Liu2, Misha R. Manuchehri3, Nevin C. Lawrence4, Muthu K. Bagavathiannan5, Todd A. Gaines6; 1Kansas State University, Hays, KS, 2Kansas State University, hays, KS, 3Oklahoma State University, Stillwater, OK, 4University of Nebraska-Lincoln, Scottsbluff, NE, 5Texas A & M University, College Station, TX, 6Colorado State University, Fort Collins, CO (54)

 

Comparing the Effects of Simulated Auxin Herbicide Drift on Winegrapes. Junjun Ou1, Brad Hanson*2, Kassim Al-Khatib2; 1University of California, Davis, Davis, CA, 2University of California - Davis, Davis, CA (55)

 

Weed Emergence Timing and Shade Avoidance Responses in Sugarbeet. Albert T. Adjesiwor*, Andrew Kniss; University of Wyoming, Laramie, WY (56)

 

Ecological Strategies to Manage Herbicide-Resistant Kochia Seed Bank in the Western US. Prashant Jha*1, Andrew Kniss2, Nevin C. Lawrence3, Ramawatar Yadav1, C A. Lim1; 1Montana State University, Huntley, MT, 2University of Wyoming, Laramie, WY, 3University of Nebraska-Lincoln, Scottsbluff, NE (57)

 

Winter Wheat Above Ground Growth Changes Due to Being a Neighbor to Different Species. Osama S. Saleh*; University of Wyoming, Laramie, WY (58)

 

Weed and Crop Discrimination with Hyperspectral Imaging and Machine Learning. Prashant Jha*1, Joseph A. Shaw2, Bryan J. Scherrer2, Vipan Kumar3, Ramawatar Yadav1, J Anjani1, Shane Leland1; 1Montana State University, Huntley, MT, 2Montana State University, Bozeman, MT, 3Kansas State University, Hays, KS (59)




TUESDAY  MORNING    MARCH 12

Undergraduate Posters

 

*PRESENTER     † STUDENT POSTER CONTEST

 

†Effect of Weed Presence on Sugarbeet Injury with Phenmedipham and Desmedipham. Jacob M. Asay*, Elizabeth G. Mosqueda, Albert T. Adjesiwor, Andrew Kniss; University of Wyoming, Laramie, WY (60)

 

†Evaluating Efficacy of Various Herbicides for Bulbous Bluegrass Control. Jordan L. Skovgard*1, Brian A. Mealor1, Beth Fowers2; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Sheridan, WY (61)

 

†Expressing an Amaranthus palmeri Cytochrome P450 Candidate Gene for 4-Hydroxyphenylpyruvate dioxygenase (HPPD) Inhibitor Resistance in Yeast. Crystal Sparks*1, Anita Kuepper2, Franck Dayan1, Todd A. Gaines1; 1Colorado State University, Fort Collins, CO, 2Bayer CropScience, Frankfurt am Main, Germany (62)

 

Impact of Cheatgrass Control on Pollinator-Friendly Flora: Comparison of Indaziflam Treated and Untreated Plots. Nicholas DiMascio*, Janet Hardin, Arathi H. Seshadri; Colorado State University, Fort Collins, CO (63)

 

†Invasive Mustard Management in Utah. Lauren B. Stanko*, Corey V. Ransom; Utah State University, Logan, UT (64)

 

†Assessing Phragmites Australis Coverage with Regards to Land Management. Chris M. Jones*, Steve Young; Utah State University, Logan, UT (65)

 

†Evaluating Native Perennial Grass Tolerance to Indaziflam Treatments . Shannon L. Clark, Stephen R. Lunt*; Colorado State University, Fort Collins, CO (66)

 

†Stressing Out: Young Seeding Recovery Patterns for Popular Restoration Species, Elymus trachycaulus . Cynthia S. Brown, Magda Garbowski, KaMele E. Sanchez*; Colorado State University, Fort Collins, CO (67)

 

†Herbicide and Grazing Impacts on Floral Resources and Pollinator Communities. Samantha R. Nobes*, Makenzie E. Pellissier, Randa Jabbour; University of Wyoming, Laramie, WY (68)




TUESDAY  MORNING    MARCH 12

New WSWS Member Orientation

LOCATION:   Maroon Peak
TIME:   9:00 AM - 9:30 AM
CHAIR:   Eric Gustafson
    IMI
    Eaton, CO
MODERATOR:   Eric Gustafson
    IMI
    Eaton, CO

 





TUESDAY  MORNING    MARCH 12

General Session

LOCATION:   Colorado Ballroom A
TIME:   9:40 AM - 11:45 AM
CHAIR:   Patrick Clay
    Valent U.S.A. LLC
    Fresno, CA
MODERATOR:   Patrick Clay
    Valent U.S.A. LLC
    Fresno, CA

 

*SPEAKER

 

9:40   Introductions and Announcements. Patrick A. Clay*; Valent U.S.A. LLC, Fresno, CA

 

9:50   Presidential Address. Andrew Kniss*; University of Wyoming, Laramie, WY

 

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

 

10:30   Big Impacts: Why Impactful Reporting Matters and How to do it Better. Sarah Lupis*; Impact Consulting Guru, Fort Collins, CO




TUESDAY  AFTERNOON    MARCH 12

Weeds of Range, Forest, and Natural Areas

LOCATION:   Mt. Sopris A
TIME:   1:30 PM - 3:00 PM
CHAIR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO
CO-CHAIR:   Harry Quicke
    Bayer CropScience
    Windsor, CO
MODERATOR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO

 

*SPEAKER     † STUDENT CONTEST

 

1:30   Modeling Risk of High Cheatgrass Cover. Helen R. Sofaer*1, Catherine S. Jarnevich2; 1U.S. Geological Survey, Fort Collins, CO, 2USGS, Fort Collins, CO (69)

 

1:45   †Modifying Seeding Date of Pseudoroegneria spicata (Bluebunch Wheatgrass ) During Revegetation to Limit Re-Invasion by Bromus tectorum (Downy Brome). Michelle L. Majeski*1, Stacy Davis1, Zach Miller2, Jane Mangold1; 1Montana State University, Bozeman, MT, 2Montana State University, Corvallis, MT (70)

 

2:00   Data Visualization and Decision Support Tools for Invasive Species Management. Peder S. Engelstad*; Colorado State University, Fort Collins, CO (71)

 

2:15   †Plant Distribution Data Aid Creation of Invasion Susceptibility Models in the Greater Yellowstone Ecosystem. Christie Hubbard Guetling*1, Lisa C. Jones1, Don W. Morishita2, Eva K. Strand1, Tim Prather1; 1University of Idaho, Moscow, ID, 2University of Idaho, Kimberly, ID (72)

 

2:30   Mapping Distributions to Inform Search and Control of Priority Invasive Plants. Catherine S. Jarnevich*, Helen Sofaer; USGS, Fort Collins, CO (73)

 

2:45   †The Good, the Bad, and the Perennial Grasses: Integrated Management of an Invasive Rangeland Perennial Using Herbicide and Targeted Grazing. Kyle N. Race*, Daniel Tekiela, Brian A. Mealor; University of Wyoming, Laramie, WY (74)




TUESDAY  AFTERNOON    MARCH 12

Weeds of Range, Forest, and Natural Areas

LOCATION:   Mt. Sopris A
TIME:   3:30 PM - 5:00 PM
CHAIR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO
CO-CHAIR:   Harry Quicke
    Bayer CropScience
    Windsor, CO
MODERATOR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO

 

*SPEAKER     † STUDENT CONTEST

 

3:30   Is One Invasive Annual Grass Worse than Another? Jane Mangold*, Stacy Davis, Lisa J. Rew; Montana State University, Bozeman, MT (75)

 

3:45   †Extending the Duration of Biennial and Perennial Weed Seedling Control with Indaziflam Tank-Mixes . Shannon L. Clark*1, James Sebastian2, Derek J. Sebastian3, Scott J. Nissen4; 1Colorado State University, Fort Collins, CO, 2Boulder County Parks and Open Space, Longmont, CO, 3Bayer CropScience, Fort Collins, CO, 4Colorado State University, Ft Collins, CO (76)

 

4:00   Restoration of Western Natural Areas and Rangeland - Depleting the Invasive Annual Grass Seed Bank. Harry Quicke*1, Derek J. Sebastian2; 1Bayer CropScience, Windsor, CO, 2Bayer CropScience, Fort Collins, CO (77)

 

4:15   Response of Wildlife Browse Species to Invasive Winter Annual Grass Control with Indaziflam. James Sebastian*1, Joseph K. Swanson2, Steve Sauer1, Derek J. Sebastian3; 1Boulder County Parks and Open Space, Longmont, CO, 2Boulder County Parks and Open Space, Erie, CO, 3Bayer CropScience, Fort Collins, CO (78)

 

4:30   Large Scale Control of Invasive Weeds and Response of Native Species Using Indaziflam on Boulder County Open Space Properties. Steve Sauer*1, James Sebastian1, Joseph K. Swanson2, Derek J. Sebastian3; 1Boulder County Parks and Open Space, Longmont, CO, 2Boulder County Parks and Open Space, Erie, CO, 3Bayer CropScience, Fort Collins, CO (79)

 

4:45   Indaziflam Effects on Seed Production of Established Perennial Grasses. Beth Fowers*1, Brian A. Mealor2; 1University of Wyoming, Sheridan, WY, 2University of Wyoming, Laramie, WY (80)




TUESDAY  AFTERNOON    MARCH 12

Weeds of Agronomic Crops

LOCATION:   Colorado Ballroom A
TIME:   1:30 PM - 3:00 PM
CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
CO-CHAIR:   Misha Manuchehri
    Oklahoma State University
    Stillwater, OK
MODERATOR:   Vipan Kumar
    Kansas State University
    Hays, KS

 

*SPEAKER     † STUDENT CONTEST

 

1:30   Tolerance of Spring Planted Tall Fescue Grown for Seed to Fall Applications of Two Pyroxasulfone Herbicide Products. Dan W. Curtis*, Kyle C. Roerig, Andrew G. Hulting, Carol Mallory-Smith; Oregon State University, Corvallis, OR (81)

 

1:45   Impact of Adding Thiencarbazone to Mesosulfuron on Rattail Fescue Efficacy and Overall Weed Management in the Pacific Northwest. Monte D. Anderson*; Bayer CropScience, Sprangle, WA (82)

 

2:00   Advances in Broadleaf Weed Management in Clover Grown for Seed in Oregon. Andrew G. Hulting*, Kyle C. Roerig, Dan W. Curtis, Carol Mallory-Smith; Oregon State University, Corvallis, OR (83)

 

2:15   Economic Implications of Herbicide Resistant Weed Management in Glyphosate-Resistant Sugarbeet. Albert T. Adjesiwor*1, Nevin C. Lawrence2, Prashant Jha3, Todd A. Gaines4, Eric Westra4, Andrew Kniss1; 1University of Wyoming, Laramie, WY, 2University of Nebraska-Lincoln, Scottsbluff, NE, 3Montana State University, Huntley, MT, 4Colorado State University, Fort Collins, CO (84)

 

2:30   Herbicides for Sainfoin Stand Removal and Methods of Evaluation. David A. Claypool*1, Andrew Kniss1, Gustavo M. Sbatella2; 1University of Wyoming, Laramie, WY, 2University of Wyoming, Powell, WY (85)

 

2:45   Antagonism of Volunteer Corn Control by Dicamba and 2,4-D. Joseph E. Mettler*, Kirk A. Howatt; North Dakota State University, Fargo, ND (86)




TUESDAY  AFTERNOON    MARCH 12

Weeds of Agronomic Crops

LOCATION:   Colorado Ballroom A
TIME:   3:30 PM - 5:00 PM
CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
CO-CHAIR:   Misha Manuchehri
    Oklahoma State University
    Stillwater, OK
MODERATOR:   Vipan Kumar
    Kansas State University
    Hays, KS

 

*SPEAKER     † STUDENT CONTEST

 

3:30   Soybean Yield, Seed Germination, and Leaf Tissue Analysis as a Result of Simulated Dicamba Drift. Mike H. Ostlie*1, Joao Paulo Flores1, Kirk A. Howatt2, Greg J. Endres1, Rich Zollinger3, Devin Wirth2; 1North Dakota State University, Carrington, ND, 2North Dakota State University, Fargo, ND, 3Amvac Chemical Company, Spokane, WA (87)

 

3:45   Improving Herbicide Effectiveness and Minimizing Impacts with Research, Analysis, Visualization and Demonstration. Gregory K. Dahl*1, Ryan J. Edwards2, Eric Spandl2, Joshua J. Skelton3, Annie D. Makepeace4, Lillian C. Magidow3; 1Winfield United, RIVER FALLS, WI, 2WinField United, River Falls, WI, 3Winfield United, River Falls, WI, 4Winfield United, Arden Hills, MN (88)

 

4:00   Introducing a New NPE Free Non Ionic Surfactant. Ryan J. Edwards*1, Gregory K. Dahl2, Tom A. Hayden3, Jo A. Gillilan4, Joe Gednalske1, Eric Spandl1; 1WinField United, River Falls, WI, 2Winfield United, RIVER FALLS, WI, 3WinField United, Owensborro, KY, 4WinField United, Springfield, TN (89)

 

4:15   †Impact of Sublethal Dicamba and Glyphosate on Three Chipping Potato Cultivars. Matthew J. Brooke*, Harlene M. Hatterman-Valenti, Collin Auwarter; North Dakota State University, Fargo, ND (90)

 

4:30   Efficacy of Haulaxifen-methyl Plus Florasulam on Amaranthus Species  . Joe Yenish*1, Patti Prasifka2, Mike J. Moechnig3; 1Corteva AgriSciences, Billings, MT, 2Corteva AgriScience, West Fargo, ND, 3Dow AgroSciences, Toronto, SD (91)

 

4:45   †Evaluation of Microrate POST Programs in Dry Edible Bean. Clint W. Beiermann*1, Rich K. Zollinger2, Andrew Kniss3, Prashant Jha4, Nevin C. Lawrence1; 1University of Nebraska-Lincoln, Scottsbluff, NE, 2Amvac Chemical Company, Spokane Valley, WA, 3University of Wyoming, Laramie, WY, 4Montana State University, Huntley, MT (92)




TUESDAY  AFTERNOON    MARCH 12

Basic Biology and Ecology

LOCATION:   Mt. Sopris B
TIME:   1:30 PM - 3:00 PM
CHAIR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY
CO-CHAIR:   Caio Augusto Brunharo
    University of California - Davis
    Davis, CA
MODERATOR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY

 

*SPEAKER     † STUDENT CONTEST

 

1:30   Comparison of EPSPS Tandem Duplication Sequence Across Glyphosate-Resistant Kochia scoparia Populations. Todd A. Gaines*1, Eric Patterson2, Andrea Dixon3, Crystal Sparks1, Karl Ravet1, Anita Kuepper4, Phil Westra1, Joel Felix5, Don W. Morishita6, Prashant Jha7, Andrew Kniss8; 1Colorado State University, Fort Collins, CO, 2Clemson University, Clemson, SC, 3Rothamsted Research, Harpenden, England, 4Bayer CropScience, Frankfurt am Main, Germany, 5Oregon State University, Ontario, OR, 6University of Idaho, Kimberly, ID, 7Montana State University, Huntley, MT, 8University of Wyoming, Laramie, WY (93)

 

1:45   †Regional Differences in Kochia Germination from the US Great Plains: Effect of Temperature. Ramawatar Yadav*1, Prashant Jha1, Andrew Kniss2, Nevin C. Lawrence3, Gustavo M. Sbatella4; 1Montana State University, Huntley, MT, 2University of Wyoming, Laramie, WY, 3University of Nebraska-Lincoln, Scottsbluff, NE, 4University of Wyoming, Powell, WY (94)

 

2:00   Multiple Mechanisms of Dicamba Resistance in Kochia (Kochia scoparia). Mithila Jugulam*1, Junjun Ou2, Sushila Chaudhari1, Hugh J. Beckie3; 1Kansas State University, Manhattan, KS, 2University of California, Davis, Davis, CA, 3University of Western Australia, Perth, Australia (95)

 

2:15   †Integrating Crop Diversity, Cover Crops, and Targeted Grazing to Manage Wild Oat and Kochia. Mei Ling Wong*1, Fabian Menalled1, Larson Christian1, Patrick Carr2, Tim Seipel1; 1Montana State University, Bozeman, MT, 2Montana State University, Moccasin, MT (96)

 

2:30   Integrating Kochia and Palmer Amaranth Biology, Molecular, and Biochemical Findings into Management Strategies. Phil Westra*1, Todd A. Gaines1, Eric Patterson2, Andrew D. Effertz1; 1Colorado State University, Fort Collins, CO, 2Clemson University, Clemson, SC (97)

 

2:45   †Novel Dicamba Resistance Mechanism in Bassia scoparia. Neeta Soni*1, Eric Patterson2, Cristiana T. Argueso1, Todd A. Gaines1; 1Colorado State University, Fort Collins, CO, 2Clemson University, Clemson, SC (98)




TUESDAY  AFTERNOON    MARCH 12

Basic Biology and Ecology

LOCATION:   Mt. Sopris B
TIME:   3:30 PM - 5:00 PM
CHAIR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY
CO-CHAIR:   Caio Augusto Brunharo
    University of California - Davis
    Davis, CA
MODERATOR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY

 

*SPEAKER     † STUDENT CONTEST

 

3:30   †Efficacy of Cultural, Mechanical, and Chemical Weed Control for Proactive Herbicide Resistant Weed Management. Elizabeth G. Mosqueda*1, Andrew Kniss1, Nevin C. Lawrence2, Prashant Jha3, Gustavo M. Sbatella4; 1University of Wyoming, Laramie, WY, 2University of Nebraska-Lincoln, Scottsbluff, NE, 3Montana State University, Huntley, MT, 4University of Wyoming, Powell, WY (99)

 

3:45   Establishment of Pollinator-Friendly Flora Following Cheatgrass Control. Nicholas DiMascio, Janet Hardin, Arathi H. Seshadri*; Colorado State University, Fort Collins, CO (100)

 

4:00   Rhizomatous Bud Response to Growth Regulator Applications in Field Bindweed (Convolvulus arvensis L.). Jeremy R. Thompson1, Lynn M. Sosnoskie2, Ian C. Burke*1; 1Washington State University, Pullman, WA, 2University of California - Davis, Davis, CA (101)

 

4:15   Role of Glutamine Synthetase Isoforms and Herbicide Metabolism in the Mechanism of Resistance to Glufosinate in Italian Ryegrass Biotypes from Oregon. Caio Augusto Brunharo*1, Hudson K. Takano2, Carol Mallory-Smith3, Franck Dayan2, Brad Hanson1; 1University of California - Davis, Davis, CA, 2Colorado State University, Fort Collins, CO, 3Oregon State University, Corvallis, OR (102)

 

4:30   †The Influence of Light Reflected from Three Amaranthacae Species on Growth and Development of Winter Wheat. Osama S. Saleh*; University of Wyoming, Laramie, WY (103)

 

4:45   †Physiological Basis for the Contact Activity of Glufosinate. Hudson K. Takano*1, Roland Beffa2, Phil Westra1, Franck Dayan1; 1Colorado State University, Fort Collins, CO, 2Bayer, Frankfurt, Germany (104)




WEDNESDAY  MORNING    MARCH 13

New WSWS Officer Orientation

LOCATION:   Maroon Peak
TIME:   9:00 AM - 9:30 AM
CHAIR:   Eric Gustafson
    IMI
    Eaton, CO
MODERATOR:   Eric Gustafson
    IMI
    Eaton, CO

 





WEDNESDAY  MORNING    MARCH 13

Weeds of Agronomic Crops

LOCATION:   Colorado Ballroom A
TIME:   9:30 AM - 11:45 AM
CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
CO-CHAIR:   Misha Manuchehri
    Oklahoma State University
    Stillwater, OK
MODERATOR:   Vipan Kumar
    Kansas State University
    Hays, KS

 

*SPEAKER     † STUDENT CONTEST

 

9:30   Paraquat Plus S-Metolachlor:  A New Option for Burndown and Residual Control. Stephen M. Schraer*1, Ryan D. Lins2, Dane Bowers3, Monika Saini4; 1Syngenta, Meridian, ID, 2Syngenta, Byron, MN, 3Syngenta, Greensboro, NC, 4Syngenta Crop Protection, Greensboro, NC (105)

 

9:45   †Weed Emergence Timing in California Rice. Katie E. Driver*, Kassim Al-Khatib; University of California - Davis, Davis, CA (106)

 

10:00   Topramezone Plus Atrazine - An Applied Review. Rich Zollinger*1, Rich Porter2, Peter Porpiglia3; 1Amvac Chemical Company, Spokane, WA, 2Amvac Chemical Company, Des Moines, IA, 3Amvac Chemical Company, Newport Beach, CA (107)

 

10:15   †Comparing Biological Characteristics and Control Methods of Kochia and Palmer Amaranth. Andrew D. Effertz*, Phil Westra, Todd A. Gaines; Colorado State University, Fort Collins, CO (108)

 

10:30   Triple-Resistant Kochia in Western Canada: Management Tools and New Research. Charles M. Geddes*1, Linda M. Hall2, Hugh J. Beckie3; 1Agriculture and Agri-Food Canada, Lethbridge, AB, 2University of Alberta, Edmonton, AB, 3University of Western Australia, Perth, Australia (109)

 

10:45   †Genetic Basis of Multiple Herbicide Resistance in Palmer Amaranth (Amaranthus palmeri L.). Chandrima Shyam*1, Sridevi Nakka1, Karthik Putta1, Ivan Cuvaca1, Randall Currie2, Mithila Jugulam1; 1Kansas State University, Manhattan, KS, 2Kansas State University, Garden City, KS (110)

 

11:00   Site-Specific Weed Management in Corn: From UAV to Application. Joao Paulo Flores, Mike H. Ostlie*; North Dakota State University, Carrington, ND (111)

 

11:15   †Deciphering the Molecular Basis of Mesotrione Tolerance in Grain Sorghum. Balaji Aravindhan Pandian*, Vara Prasad P.V., Sanzhen Liu, Tesfaye Tesso, Mithila Jugulam; Kansas State University, Manhattan, KS (112)

 

11:30   Characterization and Management of Multiple Herbicide-Resistant Kochia in Western Kansas. Vipan Kumar*1, Rui Liu1, Randall Currie2, Prashant Jha3, Taylor Lambert1; 1Kansas State University, Hays, KS, 2Kansas State University, Garden City, KS, 3Montana State University, Huntley, MT (113)




WEDNESDAY  MORNING    MARCH 13

Teaching and Technology Transfer

LOCATION:   Mt. Sopris A
TIME:   9:30 AM - 10:00 AM
CHAIR:   Kirk Howatt
    North Dakota State University
    Fargo, ND
CO-CHAIR:   Thomas Getts
    UCCE
    Susanville, CA
MODERATOR:   Kirk Howatt
    North Dakota State University
    Fargo, ND

 

*SPEAKER

 

9:30   Philosophy and Weed Management. Joe G. Ballenger*, Andrew Kniss; University of Wyoming, Laramie, WY (114)

 

9:45   What Works and Doesn't Work in Managing Herbicide Drift. Robert Klein*; University of Nebraska, North Platte, NE (115)




WEDNESDAY  MORNING    MARCH 13

Teaching and Technology Transfer

LOCATION:   Mt. Sopris A
TIME:   10:00 AM - 11:30 AM
MODERATOR:   Kirk Howatt
    North Dakota State University
    Fargo, ND

 

*SPEAKER



WEDNESDAY  MORNING    MARCH 13

Basic Biology and Ecology

LOCATION:   Mt. Sopris B
TIME:   9:30 AM - 10:15 AM
CHAIR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY
CO-CHAIR:   Caio Augusto Brunharo
    University of California - Davis
    Davis, CA
MODERATOR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY

 

*SPEAKER     † STUDENT CONTEST

 

9:30   †The Effects of Elevated Temperature and CO2 on Ventenata dubia and Bromus tectorum Seedling Growth. Audrey J. Harvey*1, Jane Mangold1, Lisa J. Rew1, Tim Prather2; 1Montana State University, Bozeman, MT, 2University of Idaho, Moscow, ID (116)

 

9:45   The Effect of Management System on Weed Communities During a Transition to Organic Farming. Larson Christian, Fabian Menalled, Tim Seipel*; Montana State University, Bozeman, MT (117)

 

10:00   †Drones for IDing Drift - Comparing Visible Injury and Spectral Response of a Simulated Drift Experiment. Chloe M. Mattilio*, Daniel Tekiela, Elizabeth G. Mosqueda; University of Wyoming, Laramie, WY (118)




WEDNESDAY  MORNING    MARCH 13

Basic Biology and Ecology

LOCATION:   Mt. Sopris B
TIME:   10:15 AM - 11:45 AM
MODERATOR:   Albert Adjesiwor
    University of Wyoming
    Laramie, WY

 

*SPEAKER



WEDNESDAY  MORNING    MARCH 13

Awards Luncheon

LOCATION:   Aspen Ballroom
TIME:   11:45 AM - 1:30 AM
CHAIR:   Andrew Kniss
    University of Wyoming
    Laramie, WY
CO-CHAIR:   Patrick Clay
    Valent U.S.A. LLC
    Fresno, CA
MODERATOR:   Andrew Kniss
    University of Wyoming
    Laramie, WY

 





WEDNESDAY  AFTERNOON    MARCH 13

Weeds of Agronomic Crops

LOCATION:   Colorado Ballroom A
TIME:   1:45 PM - 3:15 PM
CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
CO-CHAIR:   Misha Manuchehri
    Oklahoma State University
    Stillwater, OK
MODERATOR:   Vipan Kumar
    Kansas State University
    Hays, KS

 

*SPEAKER     † STUDENT CONTEST

 

1:45   Response of Kansas Feral Rye Populations to Imazamox and Quizalofop-p-ethyl. Rui Liu*1, Vipan Kumar2, Taylor Lambert2, Misha R. Manuchehri3; 1Kansas State University, hays, KS, 2Kansas State University, Hays, KS, 3Oklahoma State University, Stillwater, OK (119)

 

2:00   †Investigating Cross-Resistance to the Synthetic Auxins Fluroxypyr and Dicamba in Kochia scoparia. Olivia E. Todd*, Todd A. Gaines, Eric Westra, Phil Westra; Colorado State University, Fort Collins, CO (120)

 

2:15   Herbicide Resistance in Downy Brome. Ian C. Burke*, Rachel J. Zuger; Washington State University, Pullman, WA (121)

 

2:30   †IAA2 Candidate Resistance Allele on 2,4-D Resistance Mechanism in Indian Hedge Mustard (Sisymbrium orientale). Anita Kuepper1, Marcelo Figueiredo*2, Christopher Preston3, Anireddy Reddy2, Phil Westra2, Todd A. Gaines2; 1Bayer CropScience, Frankfurt am Main, Germany, 2Colorado State University, Fort Collins, CO, 3University of Adelaide, Adelide, Australia (122)

 

2:45   Measuring Combine Facilitated Transport of Italian Ryegrass [Lolium perenne L. ssp. multiflorum (Lam.) Husnot] Seed During Wheat Harvest. Kyle C. Roerig*, Andrew G. Hulting, Dan W. Curtis; Oregon State University, Corvallis, OR (123)

 

3:00   †Confirmation and Management of ALS Resistant Horseweed (Conyza canadensis L.) in Oklahoma Winter Wheat. Jodie A. Crose*1, Misha R. Manuchehri1, Todd A. Baughman2, Vipan Kumar3, Justin T. Childers1; 1Oklahoma State University, Stillwater, OK, 2Oklahoma State University, Ardmore, OK, 3Kansas State University, Hays, KS (124)




WEDNESDAY  AFTERNOON    MARCH 13

Integrated Pest Management Research in the West

LOCATION:   Mt. Sopris A
TIME:   1:45 PM - 3:25 PM
CHAIR:   Kassim Al-Khatib
    University of California - Davis
    Davis, CA
MODERATOR:   Kassim Al-Khatib
    University of California - Davis
    Davis, CA

 

*SPEAKER

 

1:45   Low-Cost IPM for Medusahead and a Cost-Benefit Framework to Support Adoption. Jeremy J. James*; University of California Cooperative Extension, Browns Valley, CA (125)

 

2:05   An Integrated Weed Management Approach for Controlling Kochia in Wheat Using Physical and Cultural Tactics. Stephen L. Young*; Utah State University, Logan, UT (126)

 

2:25   Enhanced Implementation of the Online Soil Solarization Forecasting Model. Carol Mallory-Smith*1, Jennifer Parke1, Len Coop1, Lloyd Nackley2; 1Oregon State University, Corvallis, OR, 2Oregon State University, Aurora, OR (127)

 

2:45   Testing Community Functional Composition of Vegetation Buffers to Improve Post-Fire Invasion Resistance of Coastal Sage Scrub. Travis Bean*; University of California - Riverside, Riverside, CA (128)

 

3:05   Integrating Mechanical or Chemical Control with Biological Control for Improved Saltcedar Management at Southwestern Reservoirs. Erik A. Lehnhoff*, Leeland Murray, Carol A. Sutherland, Amy Ganguli, Brian J. Schutte, Leslie Beck; New Mexico State University, Las Cruces, NM (129)




WEDNESDAY  AFTERNOON    MARCH 13

Weeds of Horticultural Crops

LOCATION:   Mt. Sopris B
TIME:   1:45 PM - 3:15 PM
CHAIR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR
CO-CHAIR:   Jesse Richardson
    Corteva AgriScience
    Mesa, AZ
MODERATOR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR

 

*SPEAKER     † STUDENT CONTEST

 

1:45   Herbicide Management in Solanum sisymbriifolium a Trap Crop for Pale Cyst Nematode in Potato Systems. Pamela J. Hutchinson*1, Brent Beulter2, Celestina S. Miera3, Brenda C. Kendall3, Tenika S. Trevino3; 1University of Idaho Aberdeen R&E Center, Aberdeen, ID, 2University of Idaho, American Falls, ID, 3, Aberdeen, ID (130)

 

2:00   †Evaluation of Thermal, Mechanical, and Chemical Weed Control in Organic Northern Highbush Blueberries (Vaccinium corymbosum) in Oregon. Erik N. Augerson*, Marcelo L. Moretti; Oregon State University, Corvallis, OR (131)

 

2:15   Weed Control Strategies for Interseeding of Cover Crops in Non-Transgenic Sweet Corn. Ed Peachey*, Andrew Donaldson; Oregon State University, Corvallis, OR (132)

 

2:30   †Mulches for Weed Control on Non-Irrigated Hop (Humulus lupulus) in North Dakota. Nick Theisen*, Collin Auwarter, John Stenger, Andrej Svyantek, Harlene M. Hatterman-Valenti; North Dakota State University, Fargo, ND (133)

 

2:45   Testing Bicyclopyrone for Crop Tolerance and Weed Efficacy in Cole Crops. Steven S. Seefeldt*, Tim W. Miller; Washington State University, Mount Vernon, WA (134)

 

3:00   Optimizing Performance of Pronamide Applied by Sprinkler Chemigation in Lettuce. Jesse M. Richardson*1, Barry Tickes2; 1Corteva AgriScience, Mesa, AZ, 2University of Arizona, Parker, AZ (135)




WEDNESDAY  AFTERNOON    MARCH 13

Weeds of Horticultural Crops

LOCATION:   Mt. Sopris B
TIME:   3:30 PM - 5:00 PM
CHAIR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR
CO-CHAIR:   Jesse Richardson
    Corteva AgriScience
    Mesa, AZ
MODERATOR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR

 

*SPEAKER     † STUDENT CONTEST

 

3:30   Use of Pyroxasulfone in Potato Weed Management. Andy Robinson*; North Dakota State University / University of Minnesota, Fargo, ND (136)

 

3:45   Weed Management Options for Seeded Onion in North Dakota. Harlene M. Hatterman-Valenti*, Collin Auwarter; North Dakota State University, Fargo, ND (137)

 

4:00   Weed Management Options in Cold Hardy Grapes. John Stenger, Harlene M. Hatterman-Valenti*; North Dakota State University, Fargo, ND (138)

 

4:15   †The Effect of 2,4-D in Hazelnut Quality and Maturity. Larissa Larocca de Souza*, Marcelo L. Moretti; Oregon State University, Corvallis, OR (139)

 

4:30   Defining Amicarbazone Rates and Timing of Application for Poa annua Control on Golf Course Fairways. Kai Umeda*; University of Arizona, Phoenix, AZ (140)




WEDNESDAY  AFTERNOON    MARCH 13

Weeds of Range, Forest, and Natural Areas

LOCATION:   Mt. Sopris A
TIME:   3:30 PM - 5:00 PM
CHAIR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO
CO-CHAIR:   Harry Quicke
    Bayer CropScience
    Windsor, CO
MODERATOR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO

 

*SPEAKER     † STUDENT CONTEST

 

3:30   GF-3850, a New Herbicide for Use in Rangeland, Pastures and Other Non-Crop Sites. William Hatler*1, Byron Sleugh2, Pat Burch3, Scott Flynn4, Daniel C. Cummings5, Charles Hart6; 1Corteva Agriscience, Meridian, ID, 2Corteva Agriscience, Indianapolis, IN, 3Corteva Agriscience, Christianburg, VA, 4Corteva Agriscience, Lees Summit, MO, 5Corteva Agriscience, Bonham, TX, 6Corteva Agriscience, Abilene, TX (141)

 

3:45   GF-3886, a New Herbicide for Use in Non-Crop Sites, Rangeland and Pastures. Daniel C. Cummings*1, Byron Sleugh2, Pat Burch3, Scott Flynn4, William Hatler5, Charles Hart6; 1Corteva Agriscience, Bonham, TX, 2Corteva Agriscience, Indianapolis, IN, 3Corteva Agriscience, Christianburg, VA, 4Corteva Agriscience, Lees Summit, MO, 5Corteva Agriscience, Meridian, ID, 6Corteva Agriscience, Abilene, TX (142)

 

4:00   Total Vegetation Management: A Comprehensive Summary of Herbicides, Application Timings, and Resistance Management Options. Scott J. Nissen*1, Derek J. Sebastian2, Shannon L. Clark3, Dwight K. Lauer4; 1Colorado State University, Ft Collins, CO, 2Bayer CropScience, Fort Collins, CO, 3Colorado State University, Fort Collins, CO, 4Silvics Analytic, Wingate, NC (143)

 

4:15   Presence of Cytisus scoparius Modifies Short-Term Productivity of Glacial Outwash Soils in Western Washington. Timothy B. Harrington*1, Robert A. Slesak2, Anthony W. Damato3; 1USDA Forest Service, Olympia, WA, 2University of Minnesota, Minneapolis, MN, 3University of Vermont, Burlington, VT (144)

 

4:30   Biotic and Abiotic Indicators of Ventenata dubia in Canyon Grasslands. Lisa C. Jones*, Tim Prather; University of Idaho, Moscow, ID (145)

 

4:45   Herbicide Trials with Brazilian Egeria (Egeria densa) for Management in the Sacramento/San Joaquin River Delta. John D. Madsen*; USDA-ARS, Davis, CA (146)




WEDNESDAY  AFTERNOON    MARCH 13

Weeds of Agronomic Crops

LOCATION:   Colorado Ballroom A
TIME:   3:30 PM - 5:00 PM
MODERATOR:   Vipan Kumar
    Kansas State University
    Hays, KS

 

*SPEAKER



WEDNESDAY  AFTERNOON    MARCH 13

What's New In Industry

LOCATION:   Colorado Ballroom A
TIME:   5:15 PM - 6:15 PM
MODERATOR:   Charlie Hicks
    Bayer CropScience
    Ft Collins, CO

 





THURSDAY  MORNING    MARCH 14

Business Breakfast

LOCATION:   Aspen Ballroom
TIME:   6:30 AM - 9:15 AM
CHAIR:   Andrew Kniss
    University of Wyoming
    Laramie, WY
MODERATOR:   Andrew Kniss
    University of Wyoming
    Laramie, WY

 





THURSDAY  MORNING    MARCH 14

Weeds of Range, Forest, and Natural Areas

LOCATION:   Mt. Sopris A
TIME:   9:30 AM - 10:45 AM
CHAIR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO
CO-CHAIR:   Harry Quicke
    Bayer CropScience
    Windsor, CO
MODERATOR:   Derek Sebastian
    Bayer CropScience
    Fort Collins, CO

 

*SPEAKER     † STUDENT CONTEST

 

9:30   Spring and Fall Herbicide Applications to Scotch Thistle Rosettes. Thomas J. Getts*; UCCE, Susanville, CA (147)

 

9:45   Aminonpyralid + Picloram + Fluroxypyr for Pricklypear Control and Oak Tolerance when Applied by Ground and Aerial Broadcast. James R. Jackson*1, Robert Lyons2, Charles Hart3; 1Texas A&M AgriLife Extension, Stephenville, TX, 2Texas A&M AgriLife Extension, Uvalde, TX, 3Corteva Agriscience, Abilene, TX (148)

 

10:00   Florpyrauxifen: a New Arylpicolinate Herbicide for Weed Management in Pastures, Rangeland and Other Non-Crop Sites. Byron Sleugh*1, Pat Burch2, Scott Flynn3, Daniel C. Cummings4, William Hatler5, Charles Hart6; 1Corteva Agriscience, Indianapolis, IN, 2Corteva Agriscience, Christianburg, VA, 3Corteva Agriscience, Lees Summit, MO, 4Corteva Agriscience, Bonham, TX, 5Corteva Agriscience, Meridian, ID, 6Corteva Agriscience, Abilene, TX (149)

 

10:15   Unavoidable Collateral Damage, the Reality of Invasive Plant Management. Dan R. Tekiela*; University of Wyoming, Laramie, WY (150)

 

10:30   Non-target Impacts from Basal Bark Treatments of Prunus padus. Gino Graziano*1, Steven S. Seefeldt2, Patrick Tomco3, Mingchu Zhang4, Christa Mulder4; 1University of Alaska Fairbanks, Anchorage, AK, 2Washington State University, Mount Vernon, WA, 3University of Alaska Anchorage, Anchorage, AK, 4University of Alaska Fairbanks, Fairbanks, AK (151)




THURSDAY  MORNING    MARCH 14

Weeds of Agronomic Crops

LOCATION:   Colorado Ballroom B
TIME:   9:30 AM - 11:00 AM
CHAIR:   Vipan Kumar
    Kansas State University
    Hays, KS
CO-CHAIR:   Misha Manuchehri
    Oklahoma State University
    Stillwater, OK
MODERATOR:   Vipan Kumar
    Kansas State University
    Hays, KS

 

*SPEAKER     † STUDENT CONTEST

 

9:30   Efficacy and Crop Safety of New Broadleaf Herbicide, Haulaxifen-methyl Plus Fluroxypyr, in Northern Plains Spring Cereals. Patti Prasifka*1, Joe Yenish2, Mike J. Moechnig3; 1Corteva AgriScience, West Fargo, ND, 2Corteva AgriSciences, Billings, MT, 3Dow AgroSciences, Toronto, SD (152)

 

9:45   Effects of a Wheat Cover Crop on Weed Control in Corn with Increasing Levels of Irrigation. Randall Currie*, Patrick W. Geier; Kansas State University, Garden City, KS (153)

 

10:00   Winter Annual Grass Control with ACCase Tolerant Wheat Production System in Colorado. Eric Westra*1, Todd A. Gaines1, Phil Westra1, Chad Shelton2; 1Colorado State University, Fort Collins, CO, 2Albaugh, Rosalia, WA (154)

 

10:15   Pinoxaden Plus Fenoxaprop-p-ethyl: The Next Step Up for Grass Control in Wheat and Barley. Pete C. Forster*1, Brett Miller2, Donald J. Porter3, Monika Saini3; 1Syngenta Crop Protection, Eaton, CO, 2Syngenta Crop Protection, Minnetonka, MN, 3Syngenta Crop Protection, Greensboro, NC (155)

 

10:30   Dichlorprop-p Use in Herbicide Programs for Wheat. Kirk A. Howatt*1, Joseph E. Mettler1, Bob Bruss2; 1North Dakota State University, Fargo, ND, 2Nufarm Americas, Morrisville, NC (156)

 

10:45   Clopyralid Alternatives for Postemergence Mayweed Chamomile (Anthemis cotula L.) Control in Wheat. Rachel J. Zuger*, Ian C. Burke; Washington State University, Pullman, WA (157)




THURSDAY  MORNING    MARCH 14

Weeds of Horticultural Crops

LOCATION:   Mt. Sopris B
TIME:   9:30 AM - 11:00 AM
MODERATOR:   Marcelo Moretti
    Oregon State University
    Corvallis, OR

 

*SPEAKER



THURSDAY  MORNING    MARCH 14

Rights-of-Way – Beyond Integrated Vegetation Management...

LOCATION:   Colorado Ballroom A
TIME:   9:30 AM - 12:00 PM
CHAIR:   Sandra McDonald
    Mountain West Pesticide Education & Safety Training
    FT COLLINS, CO
MODERATOR:   Sandra McDonald
    Mountain West Pesticide Education & Safety Training
    FT COLLINS, CO

 

*SPEAKER

 

9:30   The Vision "Beyond IVM to Integrated Habitat". Sandra K. McDonald*; Mountain West Pesticide Education & Safety Training, FT COLLINS, CO (158)

 

9:40   Integrated Management to Enhance Pollinator Habitat, Wildlife Habitat and Desirable Species Composition . Rick Johnstone*; Integrated Vegetation Management Partners, Newark, DE (159)

 

10:25   What's the. Arathi H. Seshadri*; Colorado State University, Fort Collins, CO (160)

 

10:45   "Real World" Needs and Purpose(s) of the Rights-of-Way. Liza Rossi*; Colorado Parks and Wildlife, Steamboat Springs, CO (161)

 

11:00   Various Purposes of Rights-of-Way Provide Constraints and Opportunities. Lindy Garner*; US Fish and Wildlife Service, Denver, CO (162)

 

11:15   Managing Right-of-Way with Vehicles from all Across the County in a National Park Highly Susceptible to Invasion . Sue Mills*; National Park Service, Yellowstone National Park, WY (163)

 

11:30   Noxious Weeds in Rights-of-Way Habitat – A Regulatory Perspective . Slade Franklin*; Wyoming Department of Agriculture, Cheyenne, WY (164)




THURSDAY  AFTERNOON    MARCH 14

Rights-of-Way – Beyond Integrated Vegetation Management...

LOCATION:   Aspen Ballroom
TIME:   12:00 PM - 1:00 PM
CHAIR:   Sandra McDonald
    Mountain West Pesticide Education & Safety Training
    FT COLLINS, CO

 

*SPEAKER



THURSDAY  AFTERNOON    MARCH 14

Rights-of-Way – Beyond Integrated Vegetation Management...

LOCATION:   Colorado Ballroom A
TIME:   1:00 PM - 3:00 PM
CHAIR:   Sandra McDonald
    Mountain West Pesticide Education & Safety Training
    FT COLLINS, CO
MODERATOR:   Sandra McDonald
    Mountain West Pesticide Education & Safety Training
    FT COLLINS, CO

 

*SPEAKER

 

1:00   Interstate Highway 76 is the. Michael Banovich*; Colorado Department of Transportation, Denver, CO (165)

 

1:20   Plants Appropriate for Rights-of-Way. Irene Shonle*; Colorado State University, Black Hawk, CO (166)

 

1:40   Reclamation and Seed Mixes Post Highway Disturbance . Michael Banovich*; Colorado Department of Transportation, Denver, CO (167)

 

2:00   Using Herbicides to Release Native Species for Rights-of-Way Habitat. Shannon L. Clark*1, Scott J. Nissen2; 1Colorado State University, Fort Collins, CO, 2Colorado State University, Ft Collins, CO (168)

 

2:20   Rights-of-Way Herbicide Applicator Issues. Daniel C. Cummings*; Corteva Agriscience, Bonham, TX (169)