What kind of medicine is used to control white lychee longan? The whitefly of lychee longan is mainly black thorn powder and pleated powder mites. In recent years, the pleats are mainly composed of pleats and mites. The worms have been multi-generation in one year, overlapping generations, and the period from May to September is the prosperous period. The nymphs are damaged by the nymphs, and yellow spots appear on the leaves, and the honeydew excreted by the nymphs can be induced. Soot disease. For the control of the insect, the first is to rationally cut or trim, to maintain the ventilation and light transmission of the orchard. Followed by spraying in the 1-2-year-old nymphs of the whitefly, the use of 25% buprofezin WP 1500 times, or 10% imidacloprid WP 2000 times, or 48% chlorpyrifos 1200 times, Or 20% cypermethrin EC 1500 times solution spray. When a mixture of adult and nymphs occurs, one of the agents such as buprofezin, imidacloprid, acetamiprid or avermectin may be added with a pyrethroid or chlorpyrifos spray. The new shoots, especially the back of the leaves, should be evenly sprayed, and the adult shoots can be sprayed against the young shoots and the flying adults. This article URL: Litchi longan control powder used in medicine Skin Care Product,Led Light Therapy,Blackhead Remover Tool,Silicone Facial Cleanser Brush Shenzhen Jie Zhong Lian Investment Co., Ltd. , https://www.szmeizons.com