Late Blight of Potatoes and Tomatoes
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Frye, William E.
Late blight of potatoes and tomatoes, the disease that was responsible for the Irish potato famine in the mid-nineteenth century, is caused by the fungus-like oomycete pathogen Phytophthora infestans. It can infect and destroy the leaves, stems, fruits, and tubers of potato and tomato plants. Before the disease appeared in Ireland it caused a devastating epidemic in the early 1840s in the northeastern United States.
NYS IPM Type: Vegetables IPM Fact Sheet
New York State IPM Program
Agricultural IPM; Vegetables; Potatoes; Tomatoes