How to apply pesticides before apple picking:
1. Banned pesticides
There are 1605, methyl 1605, chlorpyrifos, monocrotophos, methamidophos, trisulfide, omethoate, zinc phosphide, aluminum phosphide, carbofuran, cimetidine, insecticidal mites, aldicarb, lindane And other pesticides. Dicofol cannot be used on fruit trees because it contains high residual DDT.
2, pay attention to the safety period of the last spray from the harvest time of not less than 7 days of pesticides: 50% dichlorvos EC, 40% dimethoate, 50% carbendazim WP, 50% phlegm wettability Powder, 20% powder rusting wettable powder, 50% malathion emulsion; pesticides not less than 10 days before harvesting: 25% imipenem emulsion, 25% chlorfenapyr suspension; before harvesting Pesticides not less than 15 days are: 10% deltamethrin emulsifiable concentrate, 40% chlorpyrifos EC, 10% permethrin, 25% carbaryl wettable powder; not less than before harvesting The 20-day pesticides are: 10% cypermethrin EC, 75% chlorothalonil wettable powder and 25% diflubenzuron wettable powder; the pesticides sprayed no less than 30 days before harvest: 73% gram emulsion 20% amitraz emulsifiable agaricide, 5% phoxim emulsifiable insecticide and 75% chlorothalonil WP bactericide.
3. Suitable pesticides
10 to 15 days before fruit ripening, it is advisable to use fungicides such as polymycin, cerulein, Jinggangmycin, huaguangmycin, bacteriophage, matrine, rotification, and green milk copper. . The pest control insecticides such as Qiqisu, Aweidiqing, Bt emulsion, imidacloprid, and Paulian are used.
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