The main diseases of sweet persimmon are anthracnose and persimmon keratosis, which mainly occur in May-October, leaves, fruit growth period, high temperature and rainy season. Persimmon round spot disease prevention and control period: June to July rainy and humid period. Persimmon leaf blight control period: June to November.
Recommended dosage and concentration: 10% oxazolidine 2000-3000 times (safety interval 10), 70% chlorothalonil 800-1000 times (safety interval 7), 70% methyl thiophanate 1000 times (safety interval 30 ), 80% mancozeb 500-800 times (safety interval 20), 64% anti-virus 矾 1000 times (safety interval 20), 62.25% hydazol manganese zinc 500-800 times (safety interval 21), 50% carbendazim 500-800 times (safe interval 7).
The main insect pests of sweet persimmon are the persimmon worm and the long white shield. Persimmon limb moth (C. persicae) control period: May - September. Gypsy moth (Persimmon caterpillar) control period: October - March next year. The control period of the moth is from May to October. Appropriate period of prevention and control of Spodoptera frugiperda: May-August. The control period of Persimmon hawkbill is: June-September.
Recommended agents and concentrations: 3% acetamiprid 1000-2000 times (safety interval 28), 10% imidacloprid 2000-3000 times (safety interval 14), 2.5% cyhalothrin 3000 times (safe interval 21), 2.5 % deltamethrin 2000 times (safety interval 28), 48% chlorpyrifos 1000-1500 times (safety interval 30), 1.8% avermectin 1000-2000 times (safe interval 14), 10% bifen The ester is 4000-5000 times (safety interval 10).
Changbai shield scorpion, Japanese turtle wax mites control period: March-May and July-October. Recommended agents and concentrations: 1.8% avermectin 1000-2000 times (safety interval 14), 5% thiabendone 2000 times (safety interval 30), 20% thiazide copper 2000 times (safety interval 21), 15% 哒螨 2000 2000-2500 times (safety interval 15).
In addition, if there are high-efficiency, low-toxic and low-residue biological pesticides , it should be preferred.
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