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Manitoba Agriculture announced this week it has discovered a clubroot pathotype in South Central Manitoba that is able to overcome the first generation clubroot resistance. The article includes a 'recipe' to help growers limit clubroot damage in canola…
Diseases
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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… -
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… -
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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The following table will help you identify the diseases present, which is necessary in order to make the right management decisions… -
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… -
If you saw any unexplained canola disfigurement this summer, we want to know!… -
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…
