Bacterial wilt stunts plants and causes leaves to wilt, yellow, and drop. Destroy diseased plants. No chemical control is listed.
Club root causes the roots to be deformed. Infected beds may be treated with Vapam prior to planting. Do not plant in areas where crucifers have been grown.
White rust causes white pustules on the leaves. Remove and destroy infected plants. No chemical control is listed.
spots at the bases of branches. A gray mold develops on the spots and the branches break off. The plants wilt and die when the main stem is attacked. Applications of benomyl control the disease.