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If you saw any unexplained canola disfigurement this summer, we want to know!…
Tell us about your disfigured canola
August 14, 2019
Diseases other
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The scouting toolkit
May 15, 2019
Smart phones and mobility-enabled tablets could be the most valuable scouting tools. But what else should be in your canola scouting kit?…
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Biobeds: What are they and why build them?
March 1, 2019
A pesticide rinsate biobed can prevent the environmental contamination of surface and groundwater by pesticides. Instead of being disposed of directly on land, at the edge of a field or elsewhere, the rinsate from the sprayer can be applied to the biobed (so it is contained)…
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Terminology of genetic resistance and loss of resistance
November 8, 2018
These definitions help answer questions such as: How can we lose a resistance trait? How does a clubroot-resistant (CR) variety work one year and not the next?…
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Disease Watch 2018: Before, during and after harvest
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…
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Canola Watch quiz (survey actually) – Sclerotinia assessment
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…
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Take time for a harvest disease survey
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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Start your pre-harvest disease scouting
August 1, 2018
Diseases are usually easiest to see and diagnose in the couple of weeks before swath timing. Patches of dying or prematurely-ripening plants are obvious areas to scout (and show up really well with drone images), but even clean-looking fields can provide some early warning if you take time to look. Here’s how to identify the major diseases of canola as…
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What’s going on with the roots?
July 11, 2018
Take a random look at a few canola roots in each field to see what's going on. Also dig up the root area for plants that look less than healthy for no apparent reason. This plant has foot rot…