Phytophthora blight is perhaps the most serious disease of cucurbits in Indiana. This updated (2020) bulletin describes the disease cycle, symptoms and management of Phytophthora blight of cucurbits, which has characteristics of a foliar disease, spreading rapidly from plant to plant under appropriate weather conditions, much like anthracnose. However, the fungus-like organism that causes Phytophthora blight may also survive in soil for indefinite periods, much like Fusarium wilt. .
Target Audience:Cucurbit producers