Diseases of broccoli are more common with virus disease, black rot, and downy mildew. The insects are Plutella xylostella, Brassica napus, and locusts, and they must be prevented and treated in time.
Virus disease can be used virus A, disease prevention and control spirit; black rot can be used for agricultural streptomycin, can kill and other prevention and treatment; downy mildew can be used for metalaxyl manganese zinc, anti-virus carbuncle, Kelu and other prevention and treatment. The main insect pests are cabbage caterpillar, diamondback moth, cabbagewing moth, aphids, etc., which can be controlled by avermectin, kung fu, imidacloprid, and decoction. In addition, the use of frequency-vibrating light traps and kills adults is effective, which can greatly reduce the use of pesticides. Reducing pesticide residues in vegetable products can also reduce costs.
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