US: Late blight found in potatoes in Michigan’s Montcalm County

on July 17, 2014

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Late blight was found in Michigan potatoes July 15, 2014. Conditions remain conducive for late blight in irrigated potato crops. The isolates from Montcalm County have been confirmed as US-23 by GPI isomerase testing. Mating type and ridomil sensitivity are underway.

Source: msue.anr.msu.edu