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What's the spraying scheme of apple flower dew red?

Key points of pest control in apple flowering period;

Choose 25% propiconazole 5000 times solution (or 10% penconazole EC 3000 ~ 5000 times solution) +40% chlorpyrifos 65438 times solution +0500 times solution +0.8% avermectin 2000 times solution to control powdery mildew, rust, red spider, apple aphid, leaf roller and leaf miner.

When it rains in flowering period, 70% thiophanate-methyl wettable powder 1000 times solution can be sprayed to prevent mold heart disease.

When powdery mildew or rust is serious, it is suggested to spray 10% penconazole EC 3000 times solution for control.