Affected by the typhoon “Plum Blossomâ€, the recent rainfall in Dongyang City is high. The temperature of the tea garden is high and the humidity is high, which is conducive to the occurrence of pests and diseases and poses a greater threat to the safety of tea trees. At present, some of the tea plantations in the field of small green leaf mites, tea orange 瘿螨, tea è – è –, tea round spot disease, tea cloud leaf blight, tea anthracnose and Other pests and diseases began to appear heavy. Therefore, the majority of tea farmers should strengthen field investigations and do a good job in prevention and treatment in a timely manner. First, the small green leaf è‰: It is expected to enter the second peak after mid-August, each tea farmer should control the tea garden with excessive insects, and the medicinal agent can be controlled with 5% imidacloprid or acetamiprid 1000 times liquid. Second, tea orange 瘿螨: The leaves of the damaged tea tree produce brown rust, the leaves are dull, the tea shrinks, the buds are dry and dry, a copper red, and finally a large number of deciduous leaves. It is expected that some tea gardens will be moderately heavy in late August, and the tea farmers will be pests in the field. On the basis of the investigation, 1.8% avermectin 1500-2000 times liquid spray can be used for prevention and treatment. Third, the tea ruler: It is expected that the fifth-generation tea ruler control period is in late August, the drug can be controlled with 5% Kwei salt 2000 times liquid spray. Fourth, tea round spot disease, tea cloud leaf blight, tea anthracnose and other diseases: high temperature and high humidity conditions are favorable for this disease, some poorly drained tea garden conditions are more serious, so we must do tea tree drainage and strengthen tea tree management The medicament can be controlled by spraying with 25% imidate 1000 times or 70% methyl sulfide 800 times. In order to ensure the safety of tea production, pay attention to the selection of high-efficiency, low-toxic, low-residue pesticides , and ensure the safe interval between autumn tea picking. kaiping aida sanitary ware technology co.,ltd , https://www.kpaidafaucets-jm.com