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The latest estimates are that as much as 50 per cent of the crop area in Western Canada could be affected by Group 1- and/or Group 2-resistant wild oats.
Special Event Feature

Ag in Motion: Managing herbicide resistance

Diversity is defined in the dictionary as “the condition of having or being composed of differing elements.” In weed control, diversity means using multiple strategies, or an integrated weed management approach. For herbicides, this means using all of the modes of action available to reduce the risk of weed resistance. This may be obvious, but
Wild oats, known to be highly competitive with wheat, have declined in relative abundance, according to weed survey results.
Crops, Local news

Weed rankings shuffle in latest provincial weed survey

Wild oats are down, but experts are warning producers to take a closer look at their foxtail, it might not be the species they think

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Green foxtail is still the province’s top weed, yellow foxtail is on the rise and wild oats have declined, according to last year’s Manitoba Weed Survey results. Wild oats, usually the second-most-abundant weed in the province, slipped to fourth in 2016, overtaken by both wild buckwheat and barnyard grass. Dr. Jeanette Gaultier, principal investigator of
Herbicide-resistant Palmer amaranth can devastate crop yields.
Did you know?, News

Palmer amaranth resistance more complex

Two new mechanisms for herbicide resistance 
have been found in Palmer amaranth

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Scientists are continuing to discover just what a difficult foe the weed Palmer amaranth can be. It can cause yield losses as high as 80 per cent for soybean growers and has already developed resistance to six classes of herbicide since its discovery in North America 100 years ago. It’s recently been found in North
Anita Gilmer, acting national manager of the Canadian Food Inspection Agency spoke on the new Weed Seed Order during the recently held Canadian Seed Growers’ Association’s annual general meeting in early July.
Crops

Changes to the CFIA’s weed seed classifications

A new Weed Seed Order listing prohibited species takes effect November 1

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The Canadian seed trade is being reminded to watch for changes to the CFIA’s Weed Seed Order (WSO), which specifies which species are allowable in pedigreed seed. “When we are purchasing seed at a time when the new WSO is coming into effect, it is best to mention in your purchasing contracts that the product
[L to R] Haley, summer horticulture technician; Tammy Johannsen, president of ACC Foundation; Danielle Tichit, ACC Agribusiness instructor; Greg Esplin, board member of MZTRA; Rick Grey, chair of ACC Agriculture and Environment; and Natasha, ACC Agribusiness student cut the ribbon for the opening of the MZTRA-ACC Weed Identification Garden.
Crops

A new resource to hone weed-identification skills

Funds remaining from former zero-till research farm will support a spot to see 
more than 80 of the province’s weed species

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It’s been said a weed is but an unloved flower, but now weeds have a garden of their own in WestMan. That’s important because sometimes it can be hard to tell some weed species apart, and control methods can be vexingly target-specific. That makes it important to know just what you’re dealing with, and is
Weeds are more obvious when looking at a wheat crop down (r) than looking at it sideways, says Manitoba Department of Agriculture weed specialist Jeanette Gaultier.
Crops, Local news, Weather

Recent rains help crops and weeds

Herbicide-resistant weeds make controlling weeds even harder

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Most Manitoba farmers needed the rain, but wet fields have delayed weed spraying, says Manitoba Department of Agriculture weed specialist Jeanette Gaultier. Dry soils delay weed emergence, but the recent rains and warmer weather have triggered germination, creating a green carpet of weeds in some fields. “The crop is going to pop, but so are

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