Justine Cornelson from BrettYoung Seeds speaking about verticillium at Mantioba AgDays in Brandon on Wednesday, January 22. PHOTO: Don Norman

Researchers scramble to understand verticillium in Canada

Disease is a relative newcomer to Canada and has been the subject of little research globally

Justine Cornelson of BrettYoung Seeds says verticillium is one reason Manitoba saw disappointing canola yields last year. The disease needs to be the subject of more research, since little has been done to date.

Four canola diseases to watch for

Four canola diseases to watch for

Is that canola crop afflicted by blackleg, root rot, both, or something else entirely? It’s a messy question farmers and agronomists encounter every year. Presenters tried to untangle those problems at CanoLAB in Vermilion this winter. Here are four diseases to watch for in canola fields this summer, and tips on diagnosing them.


In this photo of a wilt-affected plant’s stem at harvest, black microsclerotia can be seen just below the surface layer. (Gov.mb.ca/agriculture)

No point in quarantine for verticillium wilt, CFIA says

Slapping federal quarantines on canola fields with verticillium wilt wouldn’t serve much purpose, since the yield-robbing fungi is already in all of Canada’s major canola-growing areas, the Canadian Food Inspection Agency says. While the agency itself is recommending against regulation, CFIA on Wednesday posted a draft of a risk management document on verticillium wilt, seeking[...]
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Symptoms of verticillium wilt in an infected potato plant. (OMAFRA.gov.on.ca)

Fungicide cleared to curb verticillium wilt in potatoes

A label expansion for Syngenta’s Aprovia fungicide, to cover additional soil-borne potato diseases, makes it the first fungicide in Canada approved to suppress verticillium wilt in potatoes. Fumigants have been potato growers’ only option against the crop disease until now, Eric Phillips, Syngenta Canada’s fungicides and insecticides product lead, said in a release Thursday. Verticillium[...]
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