Inquiries: Hello experts, I am a vegetable grower in Yongdeng. What should I do if there is a root rot in cabbage?
ANSWER: There are two main diseases that cause root rot in Chinese cabbage. One is soft rot and the other is black shank. Soft rot is a bacterial disease that mainly infects wounds and spreads by irrigation. The following agents should be used for prevention and control: Streptomycin for agriculture, neophytin 4000 times, and 77% for 600 times. At the same time, attention should be paid to the prevention and control of underground pests, which must be filled with water after irrigation, and should be filled with medicine after rain. Black shank disease is caused by the fungus of the genus Stenodium. It is mainly caused by the winterization of the diseased body in the field and is a soil-borne disease. Severely should be planted with non-cruciferous crops. At the same time, 50% carbendazim 500 times and 70% thiophanate-methyl (methylthiothosin) should be used to irrigate the roots. Each pot should be filled with 250 ml. the above. The disease can also spread with irrigation, so it should also be watered after application.
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