Manitoba Agriculture used to provide Sclerotinia Risk maps for Manitoba. Unfortunately due to budget cuts they are no longer able to provide that service. The current best source for Sclerotinia maps in Manitoba is the Canadian Wheat Board’s Weatherfarm service. To find the Sclerotinia maps log in (register first if you haven’t already) – it’s free, click on the “Crop Management” tab near the top of the page, click on the “Pest Management” tab just below the “Crop Management” tab, then click on Sclerotinia just below the “Pest Management” tab.
The way the current map is reading, if you’re in Manitoba you should seriously be considering spraying for Sclerotinia. Be sure to scout your fields for Sclerotinia as the window for fungicide application can close amazingly quickly.
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