Mancozeb is mainly used to control vegetable downy mildew, anthracnose, brown spot, etc. At present, it is an ideal agent for the control of tomato early blight and potato late blight, with the control effect of about 80% and 90% respectively. Generally, it is sprayed on the leaves once every 10-15 days.

(1) To control tomato, eggplant, potato blight, anthracnose and leaf spot, use 80% wettable powder 400-600 times liquid. Spray for 3-5 times at the initial stage of the disease.

(2) To prevent and control the vegetable seedling blight and sudden fall, use 80% wettable powder to mix seeds according to 0.1-0.5% of the seed weight.

(3) To control melon downy mildew, anthracnose and brown spot, use 400-500 times of liquid spray for 3-5 times.

(4) To control downy mildew of Chinese cabbage and cabbage and celery spot disease, spray with 500-600 times liquid for 3-5 times.

(5) To control bean anthracnose and red spot, use 400-700 times liquid spray for 2-3 times.