“If it doesn’t impact me, I don’t care…” I have attended many conferences across Canada and nothing gets farmers to fall asleep faster than speeches of the threat (actually, it’s reality) of herbicide resistance. For many farmers, it seems, they either don’t see this as something that impacts them or they don’t think it’s as serious an… Read More

If you’ve noticed more than a few fleabane “escapes” in recent years, you’re not alone. Glyphosate resistant Canada fleabane has spread across more than 700 kilometers of Ontario crop land in just five years. Despite its incredible distribution, Canada fleabane wasn’t the first glyphosate resistant weed found in Ontario, says Dr. Peter Sikkema, field crop… Read More

If you look up the term “superweed,” you’ll likely find a definition that includes “herbicide-resistance” and “accidental crossing” of genetically engineered plants and their “wild” counterparts. But, that could be changing, thanks in part to the Weed Science Society of America (WSSA). “Since superweed is now clearly part of the public vernacular, we decided to… Read More

Palmer amaranth could be the next glyphosate resistance weed problem for Ontario farmers. University of Arkansas weed scientist Jason Norsworthy calls it “pigweed on steroids.” Norsworthy, who first saw glyphosate-resistant palmer amaranth in Arkansas in 2006, says the weed can grow two to three inches a day after it reaches four inches tall. “You can… Read More

 

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