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Tag Archives kochia

Weed control in a dry summer
Crops, Features

Weed control in a dry summer

Dry summer weather could mean a whole new slate of weed control challenges

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When it comes to weed control, no two seasons are the same. This year, many forecasters are predicting a hot, dry summer. What challenges will this bring? For one thing, some weeds that thrive better under hot, dry conditions, says weed expert, Robert Blackshaw with Agriculture and Agri-Food Canada in Lethbridge, Alberta. “Some weeds that […] Read more
Wild oat is the most abundant weed in Saskatchewan. Researcher Hugh Beckie says it’s safe to assume that wild oat in your field is resistant to Group 1 herbicides. 

Crops

Fighting herbicide-resistance

Herbicide resistant weeds aren’t a novelty anymore — now they’re just the norm

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While herbicide resistance isn’t a new problem, it is a growing one. Today 80 countries report herbicide-resistant weeds, says a researcher. And Canada is near the top of that list. Dr. Ian Heap heads the international survey on herbicide-resistant weeds, and reported those findings at the Herbicide Resistance Summit in Saskatoon this March. “North America […] Read more
VIDEO: “Old soil-applied” solutions to fight herbicide resistance
Crops

VIDEO: “Old soil-applied” solutions to fight herbicide resistance

Crop Diagnostic School: Know your target weed issues... and your problem weeds of the past

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To help keep herbicide-resistant weeds at bay, some older soil-applied products are rejoining the fight. At the 2015 Crop Diagnostic School, Jeanette Gaultier, pesticide use specialist with Manitoba Agriculture, Food and Rural Development, talks about which herbicide-resistant weeds producers should watch for and what they need to consider before choosing a herbicide for their situation.
New growth Kochia emerging from the soil
Crops

Fighting herbicide resistant weeds with change

Multiple modes of action and stacked seed traits help farmers manage resistance

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When it comes to herbicide resistance, chemical companies are focusing on multiple modes of action. More varieties with stacked herbicide-tolerant traits are also on the horizon. But as western Canadian farmers sail towards that new future, they should keep in mind management goes hand-in-hand with technology. Stacked herbicide-tolerant traits are a new tool, giving farmers […] Read more
kochia in a canola field
Crops, Features

Practical ways to fight herbicide resistance

Do you have herbicide resistant weeds growing in your field? 


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Brian Wintonyk wants farmers to be able to identify herbicide resistant weeds in their fields and know what to do about them. Wintonyk, western crops agronomist with Dow AgroSciences Canada Inc., was on the agenda at the third annual Grain Expo, a crop production conference held in Regina in conjunction with Agribition in November. He […] Read more
Glyphosate-resistant kochia in Manitoba
Crops, News

Glyphosate-resistant kochia in Manitoba

Find out what you need to know about new reports of glyphostate resistance across the Prairies

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Kochia is not the first glyphosate-resistant weed in Canada but it is the first in the West. Giant ragweed was the first weed confirmed with glyphosate resistance in Canada. It was discovered in 2008 near Windsor, Ontario. Giant ragweed is an extremely competitive weed — if herbicide control options for giant ragweed are diminished, it […] Read more

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AGCanadaTV: In case you missed it; your national ag news recap for Sept. 5, 2025

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