Weed surveys conducted in the Canadian Prairies since the early 2000s have tracked the incidence of herbicide resistance over time, and it’s not looking good. “In general, what we’re seeing is herbicide resistance is increasing on the Prairies,” says Charles Geddes, research scientist, Agriculture and Agri-Food Canada. “Currently, we’re sitting at — in Saskatchewan —… Read More

There are a number of reasons why herbicides sometimes fail to control weeds. Perhaps surprisingly, one of the easier things to rule out is whether the weed is herbicide resistant. Ontario Ministry of Agriculture, Food and Rural Affairs weed specialist Mike Cowbrough says many universities across Canada conduct testing for herbicide resistance, but growers have… Read More

“If it doesn’t impact me, I don’t care…” I have attended many conferences across Canada and nothing gets farmers to fall asleep faster than speeches of the threat (actually, it’s reality) of herbicide resistance. For many farmers, it seems, they either don’t see this as something that impacts them or they don’t think it’s as serious an… Read More