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Idaho late blight outbreak worst since 1998

Idaho late blight outbreak is the worst since 1998High humidity and continued afternoon thunderstorms have enabled late blight to proliferate in potato fields across a swath of southeast Idaho encompassing eight counties, according to potato researcher Jeff Miller. Miller, with Rupert-based Miller Research, is now advising growers in Minidoka, Power, Bonneville, Bingham, Cassia, Madison, Fremont and Jefferson counties to spray fungicides weekly — or every five days if storms roll in and threaten to further spread the spore load. Typically, Idaho’s hot and dry conditions keep late blight in check. More