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Tag Archives Weed control

Manitoba Agriculture's Lionel Kaskiw says cold temperatures are hindering weed growth, but also rendering crop protection products less effective.
Crops

Cool weather casts questions on weed burn off

Weeds haven’t exactly flourished in the cold this spring, but the province warns that they are germinating, and the cold itself lends challenges to spraying them out

By
That spring burn off may not be doing what it’s supposed to if temperatures stay low. Lionel Kaskiw, farm production advisor with the province, is reminding farmers to watch their thermometers when deciding if and when to do a pre-emergent herbicide pass. Why it matters: A cold spring has stunted weed growth, but it also
Editorial, Opinion

Editorial: Human nature

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It’s one of those philosophical questions — can there really be too much of a good thing? In the case of glyphosate it would seem the answer might be yes, especially when it comes to crop residues. There’s little doubt why so much of the product is used here in Western Canada. It’s nothing short
Even less competitive crops can benefit from an integrated weed management strategy.
Crops, Other

Crop establishment important for weed management

Combining many tools into an overall integrated weed management strategy is a winner

By
There are many components to integrated weed management (IWM) including crop rotation, seeding rates, chemical, cultural and mechanical controls, but one of the most vital aspects of any successful IWM is crop establishment, says Dr. Rob Gulden of the University of Manitoba. At this year’s Crops-A-Palooza event in Portage la Prairie, researchers including Gulden manned
Palmer amaranth.
News

Is palmer amaranth waiting in the wings?

Experts weigh in on palmer amaranth, its climbing stats to the south, and the chance we might see the weed cropping up in Manitoba

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Provincial weed specialist Tammy Jones says it’s not time to push the panic button on palmer amaranth, despite new cases reported in North Dakota. Manitoba has cast a closer eye to the situation now that the noxious weed has been spotted in the neighbouring state. “We knew it was in South Dakota, so the expectation
Webinar Australia: Chemical company BASF has launched a free resource for farmers on herbicide resistance, including lessons from Australia.
Crops

Transplanting herbicide-resistance advice from Down Under

Australia has something to teach Canadian farmers about herbicide resistance, at least, according to BASF’s latest online resource

By
On the other side of the world, farmers have learned some valuable insights about herbicide resistance that you can share. In Australia they’ve long been fighting this battle and the land Down Under has learned some tough lessons. The International Survey of Herbicide Resistant Weeds found Canada is third in the world in terms of
Editorial, Opinion

Editorial: In the weeds

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Canada has a brewing weed problem, and we’re not talking about the looming legalization of cannabis. This is an older problem, but with a modern twist, in the form of constant selection pressure from chemical control products and the resulting herbicide-resistant weeds. Manitoba farmers have the dubious distinction of being among the first in the
Glyphosate-resistant kochia is still rare in Manitoba, but the time to prevent it from spreading is now.
Crops, Local news

ON THE GROW: Herbicide resistance is spreading quickly

Manitoba Agriculture is warning about new and looming threats when it comes to resistant weeds

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Manitoba’s provincial weed specialist is urging a harder line on herbicide resistance. “Zero tolerance is really where you need to be,” Tammy Jones of Manitoba Agriculture said. “Controlling your escapes. Control them with mowing; control them with tillage. If you really want to, control them with hand weeding, but if you have resistant wild oats
AAFC’s Bob Blackshaw talks herbicide-resistance problems and solutions at Brandon’s BASF Knowledge Harvest Feb. 13.
Crops

Manage herbicide resistance in the tank and out

Industry is pushing both chemical and non-chemical solutions to growing herbicide-resistance problems in Manitoba

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It’s time to expand the tool box when it comes to managing weeds. That was the message to attendees at this year’s BASF Knowledge Harvest in Brandon Feb. 13. As of 2015, there were 65 unique weed-resistance cases in Canada, AAFC’s Bob Blackshaw said, a number that rose from near negligible in 1975 and sat
A robotic weeder in a vegetable field near Davis, California. The rows must be very straight and precise for the weeder to properly do its job.
Crops, Did you know?, News

A row to hoe

Robots are the future of weed control, one researcher says

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Forget about that old hoe — it’s time to go high tech with weed control. Researchers at the University of California-Davis say robotic weeders are already making headway in high-value vegetable crops, fuelled by a lack of chemical controls and lack of affordable labour. Steven Fennimore, an extension specialist at the university, pegs the cost
Kochia seedlings, part of a U.S. study of the weed, emerge in a field at 
Garden City, Kansas.
Did you know?

Keeping kochia in check

New research indicates the importance of early-season control of herbicide-resistant kochia

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Herbicide-resistant kochia is a big problem in the U.S. Great Plains states, and has appeared in limited numbers in Manitoba over the past few years. Now researchers, writing in the latest edition of the journal Weed Science, are beginning to reveal more about how the weed works. Kochia typically begins to emerge in the U.S.

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