September 26, 2018
Clubroot has been identified in a canola field south of Calgary in Southern Alberta. Although clubroot has been found in various counties in Alberta since 2003, this is the first confirmed case of the disease in Rockyview County. For more about the discovery and what to do about it…
September 26, 2018
Field observations suggest that blackleg may be increasing in some areas. Official disease survey results for 2018 will be announced at Western Forum October 17-19. In the meantime, farmers and agronomist may still have time to count the percentage of plants that are diseased…
September 19, 2018
By this time of year, galls may start to break-down. Decaying galls will have a sawdust-like look and texture. If in doubt, send plant samples to a lab…
September 12, 2018
Here is a compilation of timely disease tips based on observations in the fields this week. Look for blackleg (shown above) and clubroot in particular this fall…
September 6, 2018
Predicting sclerotinia stem rot severity is difficult. This quiz is a review of management decisions for 2018, including a specific look at DNA petal tests. Please take a minute to do this quick survey…
September 6, 2018
New tests allow farmers to identify the blackleg races in their fields. With this information, farmers can choose canola varieties with resistance to those races…
September 6, 2018
As we learned at the International Clubroot Workshop, genetic resistance to clubroot is failing at an increasing rate all around the world. To help reduce selection pressure for clubroot pathotypes……
September 6, 2018
Fall is a good time to control perennial and winter annual weeds, but spraying immediately after harvest may not provide the best results…
August 22, 2018
If you didn’t get a chance to to the pre-harvest disease survey in canola fields, swathing can also be a good time to check. Get out of the swather once per hour to stretch your legs and check for disease. Clip a few stems for blackleg. Dig up a few plants to check for clubroot galls or foot rot. Give…
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