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Glyphosate-resistant giant ragweed confirmed in Ontario

Mar. 31, 2010 -The final word is now in: University of Guelph researchers have confirmed the first case of glyphosate-tolerant giant ragweed in Ontario. The evaluation process included testing that required five parameters to be met to confirm resistance. | READ MORE

March 31, 2010  By Marketwire/Monsanto Canada


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