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Plastic shed, greenhouse disease smoke method
1, smoke Smoking Disinfection sowing or planting 2-3 days before, the plastic sheds, greenhouses and leaves rotten leaves clean. By volume, 0.1 g active ingredient per cubic meter of chlorothalonil is used. That is, if 45% chlorothalonil smoke agent is used for about 3OOO grams per mu, 3O% smoke agent is 4OOOg evenly placed on the mortar or brick, in the early evening after the doors and windows of the shed are smoked - smoke. 2. Smoke prevention and cure During the growth period, use Chlorothalonil to control cucumber downy mildew, powdery mildew, anthrax, and tomato late blight. Green pepper blight, etc., with dimethyl sulfoxide (fast-king) control of cucumber, tomato, green pepper gray mold, sclerotinia and so on. The use and dosage of chlorothalonil are the same as above. 10% sclerotinia smoke agent dosage 400-500 grams.