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

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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 physically dispersed by wind, water and other means, or resistance appeared through the spontaneous emergence of mutations that then spread.

This full article appears on <a href="https://www.sciencedaily.com/releases/2019/09/190930180958.htm">Science Daily</a>

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