Soybean School: Waging war with herbicide-resistant waterhemp

Glyphosate-resistant waterhemp was first identified in Ontario in 2014. Since that time, the weed, which hails from the pigweed family, has spread across the province with confirmed sightings in 14 counties in 2019. To make matters more troubling, waterhemp resistance continues to grow beyond glyphosate, and now includes multiple resistance to Group 2, 5, 9… Read More

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