10 Jul Weed shifts in herbicide-resistant canola systems

Since the introduction of herbicide-resistant canola systems, difficult-to-control species such as cleavers, volunteer canola, green foxtail, and foxtail barley have increased in abundance. Green foxtail was associated with glyphosate-resistant systems. Wild oat was predominant in longer canola rotations with glufosinate and imidazolinone-resistant canola. Herbicide-resistant (HR) canola...