By now, farmers are all too familiar with weed populations developing resistance to herbicides (sometimes more than one). Given what we know and understand about how resistance develops, how concerned should farmers be about diseases becoming resistant to fungicide applications? Scott Henry, with Bayer, sat down with Shaun Haney to break down this not-so-straight-forward topic. The… Read More

Seed companies are turning to new sources of resistance to protect canola against blackleg disease, as the pathogen population in Western Canada has adapted over the years. Until recently, most of the varieties marketed as “blackleg resistant” relied on what’s known as the Rlm3 gene, explains Sakaria Liban, pathologist with DL Seeds, in this episode of… Read More

Glyphosate-resistant kochia has started showing up in more of Western Canada, and as with other cases of resistance, it’s becoming evident you can’t rely on a single tool for too long. Minimizing resistant weed populations requires an integrated or diverse approach. The crop itself must help make survival difficult for potentially resistant weed seedlings, explains Rob… Read More

Ontario farmers continue to wage war with fusarium head blight (FHB). The battle is far from over, as evidenced by the disease’s impact on the provincial wheat crop in 2013. But with an ever-expanding management toolbox farmers are now in a much better position to defend their crops, says University of Guelph Associate Professor David Hooker. Vivid… Read More

If you’ve noticed more than a few fleabane “escapes” in recent years, you’re not alone. Glyphosate resistant Canada fleabane has spread across more than 700 kilometers of Ontario crop land in just five years. Despite its incredible distribution, Canada fleabane wasn’t the first glyphosate resistant weed found in Ontario, says Dr. Peter Sikkema, field crop… Read More

It’s our own complacency that brought on the threat of antimicrobial resistance, says Trisha Dowling, a professor of veterinary clinical pharmacology at the Western College of Veterinary Medicine. “We got complacent just pretty much thinking there was a pill for every ill. So there’s been a whole lot of use of antibiotics just in case someone or… Read More

Herbicide resistant wild oats are pretty easy to identify, says Neil Harker, a research scientist in weed ecology and crop management at Agriculture and Agri-Food Canada’s Lacombe Research Centre. “You generally see them in patches. If you see [wild oats] in real straight lines, then you suspect a sprayer error, but if you just see them in… Read More

Can deep-tilling soybean residue be justified? A researcher from the University of Manitoba is looking at whether tillage practices need to change as farmers in Western Canada grow more soybeans. Despite leaving less plant matter behind than most crops, it’s not uncommon to see soybean ground cultivated to leave a dark surface that warms up and dries out… Read More

 

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