Resistance to glyphosate has not officially been confirmed in Canada fleabane populations in Western Canada, but the weed, sometimes called horseweed or marestail, should be on the radar when it comes to herbicide resistance on the Prairies, according to Manitoba Agriculture’s weed specialist. Canada fleabane that’s resistant to glyphosate and other chemistries is already established… Read More

True armyworms hungry for grassy plants, including wheat, have arrived in large numbers in parts of the Prairies this summer. The pest, which migrates north as a light brown moth, arrived in Manitoba during the last week of May, explains John Gavloski, entomologist with Manitoba Agriculture, in this armyworm-focused Wheat School episode filmed at the… Read More

What’s old is new again, or at least as relevant as ever when it comes to managing herbicide resistant weeds. Research led by Charles Geddes, weed scientist with Agriculture and Agri-Food Canada at Lethbridge, shows cultural practices — tighter row spacing, higher seeding rates, and longer crop rotations — can be just as effective as… Read More

Winter is a great time to recalibrate your approach to managing wheat diseases and applying fungicides. That’s the message Penn State University plant pathologist Alyssa Collins shared with agronomists attending the Ontario Certified Crop Advisors annual meeting earlier this month. It’s a dormant period for humans and also for fungi and plants, says Collins. “So… Read More

Work continues on training computer algorithms to unlock the potential of green-on-green spot spraying systems to identify and target the weeds found on Canadian farm fields. The goal of green-on-green spraying systems is to detect and apply herbicide to weeds that are growing within a green crop. Where green-on-brown spot spraying systems used for burnoff… Read More

From a crop nutrition perspective, nitrogen losses as N2O or nitrous oxide pale in comparison to what’s lost in N2 form, but N2O has a much greater impact on the total greenhouse gas emissions from fertilizer. As part of this Wheat School episode filmed at Manitoba Crop Diagnostic School, Manitoba Agriculture’s John Heard shares a… Read More

Spraying a fungicide requires considering the stage of plant a bit differently than when spraying a herbicide. At herbicide timing, the canopy of the crop is a lot shorter and less dense. “For fungicides, we’re now talking about a taller canopy, a canopy that’s probably closed in, and a canopy that’s a little bit diverse… Read More

It’s been a challenging start for wheat in much of Western Canada this spring due to hot and dry conditions, which might lead growers and agronomists to ask “what if?” this cool season crop had been planted earlier. Wheat’s yield potential is determined early on, at the three to six leaf stage, explains Brunel Sabourin… Read More

Wheat prices are amazing and everyone wants big wheat yields this year; so how do you achieve them? By paying close attention to your nitrogen applications, of course. Peter “Wheat Pete” Johnson is hopping mad in this Wheat School episode — mad at himself that is. In the video, he’s standing in a wheat field… Read More

 

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