Waterhemp, the invading resistant weed, often misidentified as redroot, green, or smooth pigweed, continues to build resistance against herbicide control in Ontario. University of Guelph weed scientist Dr. Peter Sikkema and his research team have now confirmed waterhemp resistance to Group 27 herbicides in the province. He shared the news earlier this week during a Ridgetown/Simcoe… Read More

Biology is forever adapting — to tillage, to cropping systems, and to selection pressure of herbicide applications. The advent of herbicide resistance has created a huge challenge for farmers across North America. Some of the worst weeds include kochia, fleabane, wild oats, waterhemp, and Palmer amaranth. Managing these weeds and delaying more resistance requires a… Read More

Maybe it’s just us, but this month is flying by. On this Agronomic Monday edition of RealAg Radio, you’ll hear from Jeremy Boychyn, agronomy research extension specialist at Alberta Wheat and Barley Commission, and our resident agronomist Peter “Wheat Pete” Johnson. They’ll both be talking about considerations for the upcoming growing season including barley on… Read More

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

From Australia to the United States to Canada, herbicide resistance has farmers around the world wondering about best management strategies. On Thursday, April 12, Shaun Haney will be moderating a webinar offered by BASF that will shed some light on this very important topic. During the 2018 Herbicide Resistance Management Webinar, you’ll hear the latest… Read More

 

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