2008 North Central Weed Science
Society Proceedings

Herbicide Physiology

Performance Interactions Between Topramezone and ALS-inhibiting Herbicides for the Control of Annual Grasses. A.C. Kaastra, C.J. Swanton, F.J. Tardif and P.H. Sikkema*, University of Guelph, Guelph and Ridgetown Campus, ON. Canada. 43

Examining the Effect of Glyphosate Treatment on Shikimate Pathway Metabolites in Different Plant Species. Keith Kretzmer*, Mason Hughes, Ashleigh Norris and R. Doug Sammons, Monsanto Company, St. Louis, MO. 44

Characterization of Three Horseweed Populations with Different ALS Mutations. Greg R. Kruger*, Vince M. Davis, Patrick J. Tranel, Stephen C. Weller and William G. Johnson, Purdue University, West Lafayette, IN; University of Illinois, Urbana. 45

Characterization of Glyphosate Resistance of Arabidopsis thaliana Mediated by PhyB. Altanbadralt Sharkhuu*, Ray A. Bressan, William G. Johnson and Stephen C. Weller, Purdue University, West Lafayette, IN. 46

Interaction of Glyphosate and Saflufenacil on Glyphosate-Susceptible and Glyphosate-Resistant Horseweed Populations. Tracy G. Mellendorf*, Bryan G. Young and Joseph L. Matthews, Southern Illinois University, Carbondale. 47

Crop Tolerance to Topramezone Residue as Affected by Soil pH. Richard K. Zollinger* and Jerry L. Ries, North Dakota State University, Fargo. 48

Dose-response of 2,4-D and Glufosinate on Abutilon theophrasti, Ipomoea spp. and Chenopodium album. Chad Brabham*, Andy Robinson and Bill Johnson, Purdue University, West Lafayette, IN. (49) Examining Yellow Flash In Roundup Ready Soybean. R. Douglas Sammons* and Mintien Tran, Monsanto, St. Louis, MO. 120

Dose-response of 2,4-D and Glyphosate on Abutilon theophrasti, Ipomoea spp. and Chenopodium album. Andrew P. Robinson*, Chad B. Brabham and William G. Johnson, Purdue University, West Lafayette, IN. 121

Investigation of the Molecular Basis of Resistance to PPO-Inhibiting Herbicides in Common Ragweed. Stephanie L. Rousonelos*, Ryan M. Lee, Mark J. VanGessel and Patrick J. Tranel, University of Illinois, Champaign-Urbana; University of Delaware, Newark. 122

Potential Interactions of Slow Acting and Fast Acting Herbicides. Rachel K. Bethke*, Christy L. Sprague and Donald Penner, Michigan State University, East Lansing. 123

Response of Selected Indiana Horseweed Populations to Glyphosate and Cloransulam. Greg R. Kruger*, Vince M. Davis, Stephen C. Weller and William G. Johnson, Purdue University, West Lafayette, IN. 124

Molecular Genetics of Glyphosate Resistance in Palmer Amaranth. Todd A. Gaines*, Philip Westra, Jan E. Leach, Sarah M. Ward, Bekir Bukun, Stephen T. Chisholm, Colorado State University, Fort Collins; Dale L. Shaner, USDA-ARS, Fort Collins; Christopher Preston, University of Adelaide, Australia; A. Stanley Culpepper and Timothy L. Gray, University of Georgia, Tifton; Ted M. Webster, USDA-ARS, Tifton; William K. Vencill, University of Georgia, Athens; and Patrick J. Tranel, University of Illinois, Urbana. 125

Interactions Between Mesotrione and Atrazine in a Velvetleaf Biotype with Metabolism-based Atrazine Resistance. A.J. Woodyard*, Josie A. Hugie and Dean E. Riechers, University of Illinois, Urbana. 126

NCWSS Proceedings, Volume 63
© 2008, North Central Weed Science Society, Inc.