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Step 1. Sample Collection The ideal time to pull and assess plants for blackleg infection is at 60% seed colour change, which is around swath timing. Plants should still be……
Blackleg
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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… -
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… -
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… -
How many plants recovered? Are they at early stages and at risk of heavy blackleg infection? What is the crop nutrition situation?…
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Use this quick-reference table to compare key distinguishing features, mechanisms for spread, and management options for blackleg, clubroot and sclerotinia stem rot…
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Watch the video. Take the quiz…
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Discovery Seed Labs in Saskatoon is the first to offer a test of canola stubble to determine (1) if blackleg is present and (2) what race of blackleg it is. This can help farmers and agronomists make proper use of the new blackleg resistance-gene (R-gene) classification system when making seed decisions… -
If you missed the swath-timing window to check canola stems for blackleg, you still have lots of time to look for blackleg pseudothecia on old canola stem pieces in fields that will go into canola next year. This can help with seed decisions…
