Seed treatment, sanitation, and sprays. Plants suddenly wilt and die. Stem bases and roots rot, and a white, stringy mold develops on infected areas and adjacent soil. Blight usually appears when warm, wet weather follows a dry period. Phytophthora blight caused by the soil-borne watermold Phytophthora capsici.
Symptoms resemble southern blight, except no moldy growth occurs on infected tissues.
It is associated with wet fields having high soluble salts. During rainy periods or with frequent overhead irrigation, large spots may appear on leaves, stems and fruit. It may also affect squash, tomato and eggplant. They reduce the productive life of peppers, and are especially troublesome in tobacco producing areas. Seedlings with bacterial leafspot , Xanthomonas vesicatoria.