Carbendazim is a broad-spectrum systemic fungicide widely used in the control of fruit trees, vegetables, flowers and field crop diseases. The dosage form is 25%, 50% wettable powder, 40% suspension agent and the like. The control objects and techniques used are as follows:
(1) Control of fruit tree diseases:
1 In the germination stage of the pear tree and after the flowering, the spray is sprayed once with 50% wettable powder 500 times, and then sprayed once every 7-10 days for 2-3 times to prevent pear scab.
2 Using 50% wettable powder 500-800 times solution, spray control from the early stage of apple onset, spray again after 7-10 days, can prevent apple brown spot disease.
3 From the grape leaf after the grape to the fruit coloring, spray with 50% wettable powder 500-1000 times every 10-15 days, the grape black pox disease, white rot, anthracnose, the control effect is good.
(2) Prevention and treatment of vegetable diseases:
1 From the initial stage of the disease, use 50% wettable powder 800-1000 times liquid, spray and control once every 7-10 days, even spray 3-5 times, can prevent tomato early blight, melon powdery mildew, beet Brown spot disease.
2 Before transplanting cucumber, watermelon and other melons, use 50% wettable powder 1-1.5 kg per acre, add 25-30 kg of fine soil and mix well, evenly spread in the planting ditch or hole, and use 50 in the melon period. The WP can be irrigated with 1000 times liquid, which can prevent melon wilt.
(3) Prevention and control of cotton diseases: use 1 kg of 50% wettable powder, 10-20 kg of water, 100 kg of mixed cotton, sown after 6 hours of boring, or soak for 24 hours with 50% wettable powder 250 times. Drying and sowing can control cotton seedling blight and anthracnose.
(4) Prevention and control of peanut diseases: 50% wettable powder 0.5-1 kg, peanut seed 100 kg, mixed and seeded, can prevent peanut black spot disease, stem rot and so on.
(5) Prevention and control of wheat scab: in the peak of wheat heading, spray with 50% wettable powder 500-1000 times, and spray once every 5-7 days. Spraying 75-100 kg per acre.
(6) Control of rice sheath blight: 50% wettable powder 500-1000 times solution, sprayed once in the end of rice tillering and booting stage.
(7) Prevention and treatment of sweet potato black spot: Before transplanting, the base of the stem of the sweet potato seedling was impregnated with 50% wettable powder 3000-4000 times liquid for 5 minutes.
(8) Control of flower diseases: According to the incidence, use 50% wettable powder 500-1000 times spray, can control powdery mildew of various flowers and rose brown spot, Clivia leaf spot, orchid anthracnose, leaf spot Wait.
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