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Do you need to change blackleg resistance for 2020?
September 11, 2019
Diseases
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How to manage (contain) a patch of clubroot
September 5, 2019
If you find a patch of canola plants with clubroot galls, take action now to contain it. This is especially important (1) if clubroot is new to the farm or (2) if the field is seeded to a clubroot-resistant (CR) variety and the patch could have a new pathotype that you need to contain…
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Disease ID tips for pre-harvest scouting
September 5, 2019
Clear patches of canola plants that are yellowing prematurely could be diseased. These are obvious places to start a pre-harvest disease survey. Clubroot continues to spread into new areas, so this disease is one possible cause – even in fields with a clubroot-resistant variety. In addition to the obvious patches, check a few random areas in the better producing parts…
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Canola Watch quiz – Stem infections
August 28, 2019
How well do you know your canola stem infections? Take this photo quiz to brush up on the distinguishing features of common stem diseases…
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Stem infections: How to tell them apart
August 28, 2019
The following table will help you identify the diseases present, which is necessary in order to make the right management decisions…
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New clubroot areas – Scout your CR canola
August 28, 2019
Clubroot continues to be confirmed in new areas. Random scouting of healthy looking plants is important because by the time galls are big enough to cause above-ground symptoms, clubroot has taken a firm hold in the field…
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Tell us about your disfigured canola
August 14, 2019
If you saw any unexplained canola disfigurement this summer, we want to know!…
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Patch management for clubroot: You can do it! Here’s how
August 14, 2019
If you find a patch of canola plants with clubroot galls, take action now to contain it. This is especially important (1) if clubroot is new to the farm or (2) if the field is seeded to a clubroot-resistant (CR) variety and the patch could have a new pathotype that you need to contain…
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Tips for pre-harvest disease scouting
August 8, 2019
Sclerotinia stem rot could be a big problem in areas that started dry then turned wet and stayed fairly moist during and after flowering. The dry start to the season meant a lot of fields didn’t get sprayed with fungicide, even though conditions prior to and following flowering have favoured the disease in those areas…