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Stewart’s Wilt

Stewarts Wilt

This bacterial disease is widespread on sweet corn in eastern North America. It overwinters in flea beetles and infects corn when they begin feeding on its leaves. Infected leaves wilt and may have long streaks with wavy margins. Bacterial slime will ooze out if the stalks or leaves are cut. Plants eventually die or are sufficiently stunted that no ears are produced. To control, plant resistant cultivars and eliminate flea beetles. Destroy infected plants.