Phytophthora blight is perhaps the most serious disease of cucurbits in Indiana. It 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. This bulletin will describe the disease cycle, symptoms and management of Phytophthora blight of cucurbits.
Target Audience:Cucurbit producers