Jul 21, 2023
Late blight found in Simcoe County, Ontario

An ongoing USDA project indicates the presence of late blight in potatoes in Simcoe County, Ontario. Genotype testing of the affected area is in progress by North Carolina State University.

No other reports of late blight have been received by USABlight, a national website that serves as an information portal.

A map of current late blight conditions is available online at usablight.org/map.

Simcoe County is located at the southern tip of the Georgian Bay in Lake Huron.

Current weather conditions in Michigan indicate low to medium blight risk throughout the state, according to Michigan Potatoes. Careful monitoring, however, is recommended following late blight occurrences in Montcalm County last year.


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