Grainews There are 19 sites in Ontario with multiple-resistant Canada fleabane that Sikkema knows about, and those biotypes are resistant to glyphosate with FirstRate ( cloransulam-methyl ). Again, these were cases where the farmers had no indication that they ... and more »
Alberta Express Glyphosate resistance continues to be a hot topic as more Ontario growers head into the field to finish off their corn planting and begin work on their soybean acres. Yet according to Dr. Peter Sikkema, a recent find of glyphosate -resistant Canada ... and more »
