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blackleg risk

Catalogue: GRDC Media
Assess blackleg risk to canola yields before spraying crops.. Assess blackleg risk to canola yields before spraying crops Canola growers in the southern cropping region must determine the potential for significant yield losses caused by blackleg infection before investing in and applying post-emergent treatments... Key points contained in the fact sheet include: "It is important for growers to monitor crops each season so they know the extent of blackleg infection and can make more informed management decisions," Dr Marcroft said...
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Catalogue: GRDC Media
Assess blackleg risk to canola yields before spraying crops Canola growers in the southern cropping region must determine the potential for significant yield losses caused by blackleg infection before investing in and applying post-emergent treatments... Growers need to be confident that they will incur significant yield losses before investing in this form of control," Dr Marcroft said. ".. Key points contained in the fact sheet include: "It is important for growers to monitor crops each season so they know the extent of blackleg infection and can make more informed management decisions," Dr Marcroft said...
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Catalogue: GRDC Media
Control blackleg early to minimise canola yield losses.. Department of Agriculture and Food (DAFWA) plant pathologist Ravjit Khangura, who conducts Grains Research and Development Corporation (GRDC) supported research in WA, said it was important to control blackleg early in the season to minimise yield losses... "Blackleg can attack the crop at any stage, but early seedling infections - especially up to the four or five-leaf stage - are the most damaging in terms of the development of severe stem cankers and yield loss," she said...
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Catalogue: GRDC Media
Western Australia's coming cropping season is expected to be a high risk year for blackleg disease in canola but growers can take steps to minimise the damage... Department of Agriculture and Food (DAFWA) plant pathologist Ravjit Khangura said growers should select resistant varieties, not seed into or close to last year's canola stubble and, if warranted, use a fungicide seed dressing or fungicide-amended fertiliser... The National Brassica Pathology Working Group, of which she is a member, is concerned that growers will face the risk of crop failure due to blackleg if attempting to grow canola on canola...
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