The effect of early control of autumn tomato diseases and insect pests is good: virus disease.
Virus disease: 20% virus A wettable powder 500x diluent or potassium permanganate 1000 times dilution can be sprayed at the initial stage of the disease, once every 7 days, 2 times continuously.
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Early prevention and control of autumn tomato diseases and insect pests: Botrytis cinerea
Botrytis cinerea: 0.1% of 50% Sukeling wettable powder or 50% prohydantoin wettable powder can be added to the anther solution during flowering, and the effect is very good. The fruit can also be sprayed, but attention should be paid to the rotation of drugs to prevent bacteria from producing drug resistance. You can also use more than 50% grams of dust, spraying 1 kg per mu.
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The effect of early control of autumn tomato diseases and insect pests is good: spot blight
Spot blight: at the initial stage of the disease, 70% mancozeb wettable powder 500 times diluent or 50% carbendazim wettable powder 500 times diluent can be sprayed once every 7 days for 3 times 4 times.
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