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Weed researchers are studying several options to control herbicide-resistant weeds. Researchers need to test each product or practice alone, and in combination.
Crops, Features

Use diversity to fight resistant weeds

The latest in using integrated weed management tools for hard-to-manage weeds

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A three-year study in Arkansas has found that a combination of fall management practices and herbicide use are the most effective ways to control herbicide-resistant Palmer amaranth, when combined with a herbicide program. But Arkansas isn’t Alberta. So what can western Canadian farmers learn from this study? More and more often the message in weed […] Read more
Photo: File
Crops, Reuters, Soybeans

EPA approves Monsanto’s dicamba weed killer

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U.S. seeds and agrochemicals maker Monsanto Co. has secured approval from the U.S. Environmental Protection Agency for a new dicamba-based weed killer designed for its next generation biotech soy and cotton varieties, the company said on Wednesday. While approval had been expected, it is seen as a major step forward for the company’s newest herbicide […] Read more
The three worst forage weeds
Crops, Forages

The three worst forage weeds

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The benefit of attending of Saskatchewan Agriculture’s Crop Diagnostic School at Swift Current last July was having the opportunity to get an up-close look at problems farmers face every season. One of the experts on hand was Rachel Turnquist, a regional forage specialist with Saskatchewan’s Ministry of Agriculture. Turnquist gave us a look at what […] Read more
Four steps to managing herbicides
Crops

Four steps to managing herbicides

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Cutting herbicide resistance risks comes down to managing herbicides, in part. Here are four tips for doing that better, courtesy of Kate Sanford Mitchell, who manages Bayer CropScience’s herbicide and insecticide portfolios for oilseeds.
Small sprayer with a big reach
Machinery

Small sprayer with a big reach

Top Air pull-type UTV sprayer now available with 60-foot boom

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Unverforth Manufacturing just announced the release of a 60-foot boom for its small Top Air sprayer, which is designed to be pulled behind a UTV. The boom can be set to operating heights of between 12 and 30 inches without the use of any tools. The outer sections use a breakaway design to help prevent […] Read more
A Canada thistle seedling. (Photo courtesy Canola Council of Canada)
Crops, Weather

Rain holds up spraying as weeds thrive in Manitoba

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CNS Canada –– A steady dose of rain to start the week has put a crimp on herbicide applications across Manitoba. While weeds weren’t noticeable a few weeks ago due to the relative dryness, they’re definitely becoming more noticeable, according to crop watchers. “We know that with the rain and warmer temperatures, both the crops […] Read more
Top 10 weed management practices
Crops

Top 10 weed management practices

Herbicide resistant weeds are no longer a novelty, they’re the norm

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Hugh Beckie, a research scientist with Agriculture and Agri-Food Canada, said it’s a challenge to get farmers to implement herbicide-resistance best management practices (BMP) because growers are diverse, and one size doesn’t fit all. But Beckie has found that growers who use BMPs tend to have less herbicide resistance. So, in the spirit of David […] Read more
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
Volunteer canola.
Crops, Features

Controlling seeds post-harvest

Can pulverizing weed seeds after harvest control weeds in Western Canada?

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As buzz builds about Australia’s Harrington Seed Destructor, researchers are looking at whether pulverizing seeds after harvest will work on the Prairies. But preliminary research shows post-harvest seed control is unlikely to work for all of Western Canada’s weeds. Breanne Tidemann presented new research at the Herbicide Resistance Summit in Saskatoon this March. Tidemann, who is […] 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

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