Pink Eye (or Brown Eye)
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Schultz, Otto; Crispin, Monika
Pink eye is characterized by pink to brown blotches on the skin, usually around the eyes at the apical (bud) end of tubers. When the disease is severe, a shallow, reddish brown rot occurs beneath the discolored areas. Pink eye is often prevalent on varieties such as Kennebec and Superior, which are highly susceptible to verticillium wilt, and commonly occurs during and after a wet harvest season. As a rule, the disease is not commercially serious in tablestock or seed potatoes stored under cool, relatively dry conditions. Tuber appearance may be somewhat marred, but the affected skin and superficial rot usually dry up. However, in the case of chipstock held at warm temperatures and high relative humidity, pink eye often opens the door to secondary soft rotting bacteria, which frequently cause extremely heavy losses.
NYS IPM Type: Vegetables IPM Fact Sheet
New York State IPM Program
Agricultural IPM; Vegetables; Potatoes