Home / Canola Watch / August 9, 2018 – Issue 19
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Clubroot is found everywhere in the world that brassica crops are grown. And clubroot is getting worse. These were the underlying messages from the International Clubroot Workshop, which brought together 200 clubroot researchers, extension staff and growers from around the world to Edmonton this week…
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The combination of swathing canola too early and swathing during a stretch of hot weather can lead to rapid curing that elevates harvest green counts…
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You find a patch of clubroot? Identify the patch. Pull the plants, remove the galls and take them to a landfill. Then add lime and grass the patch to prevent the infested soil from spreading…
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The later hail occurs in the season, the more damage it can do to yield. Crops not mowed down by hail can see some yield recovery…
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Canola producers can lose up to five bushels or more per acre if the combine isn’t adjusted properly. Here are tips to measure combine losses and make adjustment to limit those losses, putting more canola in the bin and reducing the volunteer canola seedbank in your fields…
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Non-uniform maturation is a common issue at harvest. This issue may be more pronounced in those areas that experienced abnormally dry conditions and intense flea beetle pressure this spring. Swathing remains the best and least risky option to manage uneven maturity. Those set on straight cutting have three product options to consider as pre-harvest aids: diquat, saflufenacil (Heat LQ) and…
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Although insects like grasshoppers and late season flea beetles typically aren’t economical, they shouldn’t be left unchecked. If a foliar insecticide is necessary, consider edge or spot spraying and ensure a product choice that has a pre-harvest interval suited to the time of application and when you expect to be cutting (straight-cutting or swathing) the crop…
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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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Scout lygus at late flowering and podding stages using a standard insect net of 38 cm (15") diameter. Take ten 180° sweeps, and aim to sweep the flowers and pods while moving forward. Count the number of lygus in the net…
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