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Tips for pre-harvest disease scouting in canola

August 23, 2019  By CanolaWatch

Clear patches of canola plants that are yellowing prematurely could be diseased and are a good starting point for a pre-harvest disease survey. CanolaWatch, a resource from the Canola Council of Canada, has compiled a resource on pre-harvest disease scouting in canola.

Clubroot continues to spread into new areas, so this disease is one possible cause – even in fields with a clubroot-resistant variety. In addition to the obvious patches, growers are encouraged to check a few random areas in the better producing parts of the field. Overall, pre-harvest scouting for diseases is a good way to assess severity and make harvest and next-year plans. Diseases are usually easiest to see and diagnose in the couple of weeks before swath timing. | READ MORE



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