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The broccoli disease is more common with viral diseases, black rot and downy mildew. The worms are more cabbage worms, cabbage moths, and aphids. It is necessary to prevent and treat them in time, and to reduce the loss.
Viral disease can be controlled by virus A and phytopathology; black rot can be controlled by agricultural streptomycin, killing, etc.; downy mildew can be controlled by metalaxyl manganese zinc, anti-virus cockroach, kelu and the like. The main pests are cabbage caterpillar, diamondback moth, cabbage moth, aphid, etc., and can be controlled by avermectin, kungfu, imidacloprid, etc. In addition, the use of frequency vibration lamp to trap adult insects is better, which can greatly reduce the use of pesticides. Reducing pesticide residues in vegetable products can also reduce costs.
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