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Scientists explore genetic weed control


The goal is to modify male plants that would mate with wild females and produce nothing but male offspring

Weeds are the Achilles’ heel of farming. They invade crops, reduce productivity, compete for water, nutrients and sunlight, and lead to poor crop quality and reduced yield.

Herbicides are the farmer’s counterbalance but for aggressive weeds like waterhemp and Palmer amaranth, both of which are resistant to 7 and 8 herbicide groups, respectively, they have become increasingly hard to control.

In Ontario, waterhemp is expanding across the province due, in no small part, to the fact…



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