Proceedings of the 72Nd Annual Meeting of the North Central Weed Science Society
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Proceedings of the 72nd Annual Meeting of the North Central Weed Science Society December 4-7, 2017 St. Louis, MO The program and abstracts of posters and papers presented at the annual meeting of the North Central Weed Science Society are included in this proceedings document. Titles are listed in the program by subject matter with the abstract number listed in parenthesis. Abstracts are listed in numerical order followed by the author and keyword listing. PROGRAM General Session ............................................................................................................................................................................................................... 2 POSTER SECTION ....................................................................................................................................................................................................... 2 Agronomic Crops I - Corn ........................................................................................................................................................................................ 2 Agronomic Crops II - Soybeans ................................................................................................................................................................................ 3 Agronomic and Specialty Crops (All other agronomic and horticultural crops) ................................................................................................. 5 Equipment and Application Methods ...................................................................................................................................................................... 6 Extension .................................................................................................................................................................................................................... 6 Herbicide Physiology ................................................................................................................................................................................................. 7 Invasive Weeds, Rangeland, Pasture, and Vegetation Management ..................................................................................................................... 7 Weed Biology, Ecology, Management ...................................................................................................................................................................... 8 PAPER SECTION .......................................................................................................................................................................................................... 9 Agronomic Crops I – Corn ....................................................................................................................................................................................... 9 Agronomic Crops II- Soybeans ............................................................................................................................................................................... 10 Agronomic and Specialty Crops (All other agronomic and horticultural crops) ............................................................................................... 12 Equipment and Application Methods .................................................................................................................................................................... 12 Herbicide Physiology ............................................................................................................................................................................................... 14 Invasive Weeds, Rangeland, Pasture, and Vegetation Management ................................................................................................................... 14 Taking the Next Step: Preparing for your Future Career -- Graduate Student................................................................................................. 15 Weed Biology, Ecology, Management .................................................................................................................................................................... 15 Weed Management Through Equipment and Application Technologies ........................................................................................................... 16 SYMPOSIUM ............................................................................................................................................................................................................... 17 An Open Dialogue on Dicamba Technology .......................................................................................................................................................... 17 Abstracts........................................................................................................................................................................................................................ 18 Author Index ............................................................................................................................................................................................................... 102 Keyword Index............................................................................................................................................................................................................ 108 PROGRAM 2017 Officers/Executive Committee President-Greg Dahl Editor, NCWSS Proceedings-Greg Kruger President Elect- Christy Sprague Editor, NCWSS Communications-Vince Davis Vice President-Aaron Hager WSSA Representative-Reid Smeda Past President-Anita Dille CAST Representative-Lowell Sandell Secretary/Treasurer-David Simpson Executive Secretary-Tara Steinke General Session Lewis and Clark Expedition: Soldiers as Scientists. Erin Hilligoss-Volkmann*1, Paul Rosewitz2; 1National Park Service, St. Louis, MO, 2National Archives and Records Administration, St. Louis, MO (116) Managing Herbicide Resistance: Listening to the Perspectives of the Practitioners. Jill Schroeder*1, David R. Shaw2, Michael Barrett3, Harold Coble4, Amy Asmus5, Raymond Jussaume6, David Ervin7; 1USDA Office of Pest Management Policy, Washington, DC, 2Mississippi State University, Mississippi State, MS, 3University of Kentucky, Lexington, KY, 4North Carolina State University Professor Emeritus, Raleigh, NC, 5Asmus Farm Supply, Inc., Rake, IA, 6Michigan State University, East Lansing, MI, 7Portland State University, Portland, OR (117) Washington DC Report. Lee Van Wychen*; WSSA, Alexandria, VA (118) NCWSS Presidential Address. Gregory K. Dahl*; Winfield United, River Falls, WI (119) Remembering Former NCWSS Members and Friends. Chris Kamienski*; Monsanto Company, Washington, IL (120) Announcements. Christy L. Sprague*; Michigan State University, East Lansing, MI (121) POSTER SECTION *PRESENTER † STUDENT POSTER CONTEST PARTICIPANT Agronomic Crops I - Corn †Residual Herbicide Activity as Influenced by Application to Soil Covered with Crop Residue. Ethan Johnson*1, Brent Heaton2, Mark Bernards1; 1Western Illinois University, Macomb, IL, 2Western Illinois University, Industry, IL (68) Influence of Fall Establishment and Spring Termination Timings of Annual Ryegrass on Corn Yields. Taylor Campbell*1, Joe Ikley2, Bill Johnson3; 1Purdue University, Lafayette, IN, 2Purdue University, West Lafayette, IN, 3Purdue University, W Lafayette, IN (69) †Impact of Cover Crop Species Selection on Soil Moisture and Corn Development in Semi-Arid Rainfed Cropping Systems of Western Nebraska. Alexandre T. Rosa*1, Liberty Butts2, Cody Creech3, Roger Elmore1, Daran Rudnick4, Rodrigo Werle1; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska Lincoln, North Platte, NE, 3University of Nebraska-Lincoln, Scottsbluff, NE, 4University of Nebraska-Lincoln, North Platte, NE (70) Effects of Timing of Weed Removal and PRE Herbicides on Growth and Yield of Corn. Ayse Nur Ulusoy*1, O. Adewale Osipitan2, Jon E Scott3, Stevan Z. Knezevic2; 1University of Nebraska-Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, Concord, NE, 3University of Nebraska, Concord, NE (71) †Postemergence Herbicides for Weed Control in Organic Corn and Soybeans. Betzabet Valdez*1, Reid Smeda2; 1University of Missouri, Columbia, Columbia, MO, 2University of Missouri, Columbia, MO (72) 2 2017 North Central Weed Science Society Proceedings Vol. 72. †Weed Control Following Single-Pass PRE or POST Corn Herbicides as Affected by Planting Date. Luke Merritt*1, Brent Heaton2, Mark Bernards1; 1Western Illinois University, Macomb, IL, 2Western Illinois University, Industry, IL (73) †Management of Palmer Amaranth Using a Premix of Dicamba and Tembotrione in Corn. Amy D. Hauver*1, Parminder Chahal2, Kevin Watteyne3, Amit J. Jhala2; 1University Nebraska Lincoln, Lincoln, NE, 2University of Nebraska-Lincoln, Lincoln, NE, 3Bayer CropScience, Lincoln, NE (74) †POST Corn Herbicide Options for Control of Glyphosate-Resistant Palmer Amaranth in Western Nebraska. Clint W. Beiermann*1, Nevin C. Lawrence1, Stevan Z. Knezevic2, Amit Jhala3, Cody Creech1; 1University of Nebraska-Lincoln, Scottsbluff, NE, 2University of Nebraska-Lincoln, Concord, NE, 3University of Nebraska-Lincoln, Lincoln, NE (75) †Corn Barrier Effect on Herbicide Drift. Bruno Canella Vieira*1, Thomas R. Butts2, Andre O. Rodrigues2, Kasey Schroeder2, Jeffrey Golus2,