Potato Early Blight
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Zitter, Thomas A.
Early blight (EB) is a disease of potato caused by the fungus Alternaria solani. It is found wherever potatoes are grown. The disease primarily affects leaves and stems, but under favorable weather conditions, and if left uncontrolled, can result in considerable defoliation and enhance the chance for tuber infection. Premature defoliation may lead to considerable reduction in yield. The disease can also be severe on tomatoes, and can occur on other solanaceous crops and weeds.
NYS IPM Type: Vegetables IPM Fact Sheet
New York State IPM Program
Agricultural IPM; Vegetables; Potatoes; Tomatoes