Canola Watch Posts

  • Bees are good for canola. Canola is good for bees. Canola flowers provide an important source of nectar for honey producers in Western Canada: 80% of the honey produced in Canada comes from canola flowers. Honey bees and other pollinators can also increase canola yields. Although napus canola is self-pollinating, studies show that the extra level of pollination that bees…
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  • Canola crops across the Prairies look very good, in general, and growers are optimistic at this stage of the season. Top-dress fertilizer is a hot topic this week. The most efficient way to apply fertilizer on the Prairies is during the seeding pass, but some circumstances do call for top up nitrogen or sulphur for canola. Seedling diseases such as…
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  • Spraying late or at higher-than-label rates can reduce canola profits. AAFC research showed an advantage of 3 bu./ac. for controlling weeds at the 1-2 leaf stage of canola versus the 3-4 leaf stage, and a 7 bu./ac. advantage when applied early versus the 6-7 leaf stage. At $12 per bushel, that early control provides $36 to $84 per acre more…
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  • Applications made when cool cloudy days follow cool nights will result in lower herbicide efficacy than applications made in warm sunny days. Cloudy days don’t provide the photosynthetic activity required for many herbicides, including Group 10 glufosinate. And nights near freezing followed by days with highs that barely reach 10 C will not provide high metabolic activity required for best…
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