Vegetable Crop Update – Late blight confirmation in MI potatoes July 6, 2016
We recently received notification of late blight in potatoes in Michigan’s Branch County, near Bronson (US-23). Please find the source article linked below. While outside of our midwestern region, late blight has also been confirmed in Franklin Co. Washington on potatoes as well. US-23 is sensitive to mefenoxam/metalaxyl in most cases and is the type that has predominated in potato-producing regions in recent years.
Late blight was found in Michigan potatoes July 5, 2016. Conditions remain conducive for late blight in irrigated potato crops.