In the late summer and early fall, when the temperature dropped, the occurrence of most pests rebounded, and even major outbreaks were discovered. Lights affected the yield of autumn tea, and severely affected tree vigor and spring tea production the following year. Therefore, prevention and control work must be done well. At the end of summer and early fall, common pests are mainly small-leaved leafhoppers, teat moths, black-spotted moths and other pests. First, the habits and hazards of major pests 1, false eye small green leaf small green leaf mites occur in all parts of the city, the occurrence of a long time. Adult worms and nymphs suck sap, and the growth of infected shoots is hindered. In severe cases, shoots are coked. There are two peak periods in one year, and the second peak is from late September to mid-October, especially when old tea gardens are reformed to maintain tea plants or The overgrown tea plantation is serious and it is hoped that the majority of key tea farmers will be highly valued. 2. Black poisonous moth tea Black poisonous moth is a serious occurrence in local tea areas, especially in the latent areas. Attention should be paid to the observation of insect pests. Large numbers of insect populations can absorb all the light of the tea tree twigs and have a greater impact on tea growth and tea yield. The worms occur four generations a year, and the fourth generation larvae occur from late August to late September. They damage the autumn tea. The growing larvae are generally distributed on the upper layers of tea trees, prefer eating fresh leaves, and the 4th and 5th instar serial insects have a pseudo dead nature. After being frightened, it will curl up and fall. When the larvae are mature, they climb to the base of the tea bushes, and fall down between the fallen leaves or the soil gap. II. Prevention and cure methods 1. Prevent and control small green leafhoppers: (1) batchwise and timely picking; (2) spraying 10% imidacloprid 15-20g/mu, 70% Amiele 2-3g/mu, 35% saidan EC 1000 times liquid, 98% Bataan 1000-1500 times liquid; 2, control tea black venom moth: (1) the use of black tea tussock moth bogey shaken, 98% Bataan 1000-1500 times; (2) poison sand method.
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