Disease prevention and control should be controlled in the litchi flowering period, fruit period and storage and transportation period of Phytophthora capsici, spraying 75% thiophanate-methyl 1000 times, the effect is very good. Or use 58% of thiram blue zinc 800 times spray, the effect is also good. For anthracnose, thiophanate-methyl or carbendazim can be sprayed 800 times before flowering, which has a good effect on preventing flower and panicle dryness.
Insect pest control should take effective measures according to the characteristics of different pest species and invasive period. Take stink bugs and hairy spiders to catch adult insects to spray 600 times double insecticides or use 800 times dichlorvos to kill adult insects. For the small gray butterfly, leaf roller moth and locust locust should grasp the litchi fruit development phenophase timely application. When the fruit grows to a large mung bean, it can be used 5000 times more efficient eradication hundred can control small gray butterfly-based, both hairy spiders, stink bugs and ulnar. The second physiological drop period can be used 90%.
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