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costly canola disease

Catalogue: GRDC Media
DAFWA researcher Ravjit Khangura standing in a field of canola... Dr Khangura said the main control tactic was to reduce the frequency of host species, such as canola and lupins, and it was recommended growers avoid planting canola on paddocks with high sclerotinia levels during the past three years... "Previous research in WA's northern cropping region has shown that applying a single fungicide spray is often effective in reducing canola yield losses from sclerotinia when the crop is at the 15 to 30 per cent flowering stage (coinciding with the onset of spore release) and conditions are conducive to disease," she said...
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