Biologists track the invasion of herbicide-resistant weeds into southwestern Ontario

ScienceDaily
Sep 30, 2019, 6:09 pm31 pts
A team led by biologists have identified the ways in which herbicide-resistant strains of the invasive common waterhemp weed have emerged in fields of soy and corn in southwestern Ontario. The resistance, first detected in 2010, spread thanks to two mechanisms: either pollen and seeds of resistant plants were…

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