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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. (

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. (

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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(Canola Council of Canada photo)

Manitoba canola pest lab backed for equipment, research

A new Manitoba lab with federal, provincial and canola industry backing has been opened with the goal of staying a step ahead of canola diseases such as clubroot and verticillium wilt. The federal and Manitoba governments on Thursday announced $969,000 for equipment, including a polymerase chain reaction (qPCR) machine, and $250,000 for research at the[...]
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Plant diseases to look for in 2014

Provincial officials say the story for 2013 was of extremely localized disease 
outbreaks and the one for this coming year could be the arrival of new threats

Reading Time: 4 minutes Last year underscored the need for timely scouting for crop diseases. “Disease patterns matched the weather,” provincial pathology researcher Mike Harding said at last month’s 2014 Irrigation Update conference. “Different conditions led to serious disease issues in one area and virtually none just 20 miles away.” For example, cereal leaf spot diseases were widespread especially[...]
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