ascochyta blight on pea

agricultural agriculture agronomic agronomical agronomy anthracnose ascochyta attacked bacteria blight caused cereal chickpea chikpea chlorisis chlorosis clove colletotrichum conidies curl disease diseased downy food fruit fungi fungicide fusarium green greenhouse head hyphae leaf legume lesion lose lost mildew mycelium mycology natural nature necrose necrosis pathogen pathology pea pesticide phytopathology phytopharmacy pisi plant protection showing spore symptoms symtpoms treatment viral virus weed