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Six basics of blackleg management
…To scout, clip canola stems near ground level and look for blackleg infection in the cross section. Test for blackleg races Various labs will test stem pieces for blackleg and…
Read moreSearch Results for: blackleg
Blackleg: Scouting, identification and next steps
…is more likely to be blackleg. Blackleg is an aerial disease which pushes up spores into the canopy to cause infection. This is the primary pathway for infection on new…
Read moreQuestions for the Month
…from the disease-focused event: 1. Manage blackleg. Blackleg management can start at seeding with the new blackleg-protective seed treatments. Know your seed treatment and its capabilities. Scout and cut stems…
Read moreLast chance for blackleg control
…longer rotation – three years or more between canola crops – would further reduce the chances of blackleg infection and fungicide return on investment. Blackleg lesion on cotyledon. Blackleg lesion…
Read moreDo you need to change blackleg resistance for 2020?
Fields usually have a diverse population of blackleg races carried over on canola crop residue. A 2-year break between canola crops basically eliminates the economic threat from blackleg as most…
Read moreFungicide for blackleg: An early-season decision
…rotation – three years or more between canola crops – would further reduce the chances of blackleg infection and fungicide return on investment. Blackleg lesion on cotyledon. Blackleg lesion on…
Read moreInterpreting blackleg race ID test results
…More resources and further reading: Discovery Seed Labs blackleg test Manitoba Pest Surveillance Lab blackleg sampling guidelines Canola Encyclopedia chapter on blackleg Gary Peng, AAFC research scientist, webinar on blackleg…
Read moreWhat’s new in blackleg management?
…fields. Blackleg. Credit: Gregory Sekulic Current labels for blackleg are based on field ratings of blackleg in comparison to a susceptible variety (Westar) for blackleg. Typically only Resistant “R” (0-29.9%…
Read moreQuestions for the Month
…Blackleg surprised some farmers and agronomists in 2023. The new Canola Watch Fundamentals article, Six basics of blackleg management, has more information on blackleg testing and cultivar selection. How do…
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