Control of Glyphosate and Acetolactate Synthase Resistant Common Ragweed (Ambrosia artemisiifolia L.) in Soybean (Glycine max L.) with Preplant Herbicides
Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=52660#.VKCv5cCAM4 Author(s) Annemarie C. Van Wely 1 , Nader Soltani 1 , Darren E. Robinson 1 , David C. Hooker 1 , Mark B. Lawton 2 , Peter H. Sikkema 1 Affiliation(s) 1 University of Guelph (Ridgetown Campus), Ridgetown, Canada . 2 Monsanto Canada, Guelph, Canada . ABSTRACT A population of common ragweed in Ontario was confirmed to be resistant to glyphosate in 2011. Group 2 [acetolactate synthase (ALS) inhibitors] resistant common ragweed was first confirmed in Ontario in 2000. Previously, glyphosate provided excellent control of common ragweed in glyphosate resistant soybean but with the confirmation...