Bacterial leaf spot causes spots on the leaves, then the leaves rot. Remove and destroy infected leaves. No chemical control is listed.
Bacterial wilt causes plants to turn yellow, wilt and die. The stem appears to be watersoaked. If infected stems are cut, a mass of gray slime oozes out and turns brown. The plants usually die without blossoming. The bacteria enter through root injuries caused deep cultivation. Avoid infested soil and remove and destroy diseased plants. No chemical control is listed.
An occasional problem may be seen with leaf spots. No chemical control is listed.