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Tag Archives Herbicides

Is the water in your sprayer neutering your herbicide?
Crops

Is the water in your sprayer neutering your herbicide?

Calcium, magnesium, sodium, iron and potassium cations in sprayer water will bond with herbicide molecules, such as glyphosate, making them ineffective

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Clint Jurke had never, not once, tested the quality of his sprayer water until a colleague said it would make a good topic for an article. “I like to think I’m pretty good at agronomy,” said Jurke, agronomy director for the Canola Council of Canada and farmer from Lloydminster, Sask. “I scout, follow labels’ rates,
What’s on your spring burnoff checklist?
Crops

What’s on your spring burnoff checklist?

Set yourself, and your crop, up for success from the get-go

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It’s been a long, cool spring and farmers have had extra time for field preparations. Sprayers and seeders are poised and ready for action and, when the temperature hits growing degrees, everything will happen fast. The first happening should be the spring burn-off. “I’m a big fan of burn-off spraying,” said Manitoba Agriculture weed specialist
Weed wave expected when warm weather returns
Crops, News

Weed wave expected when warm weather returns

Once it warms up, it’s going to be important to get a good spring burnoff and establish a competitive crop

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Unseasonal snowfall and a cool spring may have pushed thoughts of spring weed control down the list of things to think about. But it’s important to get a plan in place now, because when it does warm up, things will happen quickly, said Kim Brown-Livingston, Manitoba’s provincial weed specialist, during an April 19 CropTalk webinar.
“You need to make every drop of the herbicides count while they’re still working.” – Kim Brown-Livingston.
Crops, News

Herbicide resistance can’t be ignored

A weed control strategy will encompass the entire production system

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Herbicide resistant weeds have been present in Manitoba since the 1980s but they are now becoming a critical issue that cannot be ignored. Kim Brown-Livingston, Manitoba Agriculture’s weed specialist, called it the biggest problem facing producers. More resistance is cropping up and no new modes of action have been available on the Prairies in the
One researcher says it’s time to move beyond using only the sprayer to control weeds.
News

The case for integrated weed management

Research scientist Charles Geddes says having the right agronomic strategy is key to combating herbicide resistance

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New research shows cultural controls can combat the growing problem of herbicide-resistant weeds. “Herbicide resistance is an increasing and growing issue across the Prairies and it is likely to have a greater impact in the future moving forward as well,” said Charles Geddes, research scientist in weed ecology and cropping systems with Agriculture and Agri-Food Canada. Geddes spoke Feb. 16 at
Think of weed control like boxing. It’s better over time to know the combinations that lead to wins, rather than hoping for a lucky knockout punch.
News

Weed control can’t count on knockout punch

The chemical control era is waning, so adoption of new combinations is very important

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Herbicides have been the No. 1 weapon against weeds since the 1940s. They’ve been effective but the last few decades have shown that genetics are a more powerful force than chemistry. Weeds are gaining genetic resistance to herbicides faster than new chemistries can be developed. “In addition to all of these new cases we’re seeing,
News

Bayer sued for barring non-U.S. citizen from Roundup settlement

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Reuters – A new U.S. lawsuit accuses Bayer of illegally excluding a Virginia farm worker from a settlement over claims its Roundup herbicide causes cancer because she is not a U.S. citizen. The complaint said Elvira Reyes-Hernandez, who used Roundup while working on tree farms before being diagnosed with non-Hodgkin’s lymphoma in 2019, expected to
Kochia has been difficult to control during the prolonged drought of the past several years.
News

Kochia control waning in North Dakota

Two popular products also widely used in Manitoba seem less effective

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A North Dakota State University study showed that some kochia populations in western North Dakota likely have developed resistance to commonly used pre-plant burndown herbicides. For many years, no-till farmers have used Aim (carfentrazone) and Sharpen (saflufenacil) either just before or just after planting to control emerged kochia and other annual weeds. In Manitoba, carfentrazone is the active ingredient in Aim EC,
A kochia infested field.
Crops, News

Late harvest hampers fall weed control efforts

Narrow regrowth window, cooling temperatures play role in limiting applications

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Manitoba’s weed specialist says this year’s late harvest has thrown a wrench into many farmers’ fall control plans. Normally, it is recommended that farmers wait four to six weeks after harvest to allow weed regrowth before spraying. “This year, we just don’t have the calendar days to do that,” said Kim Brown-Livingston, Manitoba Agriculture and
(Leonid Eremeychuk/iStock/Getty Images)
Crops

U.S. trade commission sues pesticide makers, alleging price scheme

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Washington | Reuters — The U.S. Federal Trade Commission on Thursday sued two top pesticide manufacturers for allegedly entering into exclusive contracts with distributors that kept prices paid by farmers artificially high. The consumer watchdog agency was motivated to bring the case in part because rising costs and supply chain disruptions from Russia’s invasion of

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