When preventing vegetable diseases, some medicines can also play a role in controlling fungi, bacteria and viruses. They often do not cause phytotoxicity to plants, and there is no residue or pollution. Generally, they do not produce drug resistance. It is very worthy of promotion. .
1. Potassium permanganate: spray with 800 times liquid, which can be used regularly.
2, 848 disinfectant, with an activator, before the use of the main drug, 400-500 times liquid spray.
3. Other medical disinfectants can also be introduced into the prevention and prevention of vegetable diseases after testing.
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