Tea-tree quail, which has a very complex feeding habit and a wide range of host plants, has become one of the main pests of vegetables. At present, cucumber production in greenhouses often occurs in Yutian County. General temperature 18 °C -20 °C, 7-10 days can develop a generation; 28 °C -30 °C, 4-5 days a generation. The larvae and cubs concentrate on the young part of the cucumber plant and become sucked. The back of the victim's leaf was gray-brown or yellow-brown, oil-like, and the edges of the leaves curled downwards; the affected tender stems and twigs turned yellow-brown and distorted and deformed, and the plants were dry at the top; the affected skin became yellow-brown. In production management, vegetable growers must first be identified based on the symptoms of the disease. If it is caused by tea plants, it is recommended that everyone take preventive measures. The agents that can be used are 15% of Lingling EC 3000 times, 1.8% of avermectin EC 4000 times, 56% of avermectin acetylene microemulsion 2000 times, of 20% of azoline suspension 2000 times Liquid, spray once every 7 days, even spray 2-3 times. The liquid should be evenly sprayed on the leaves, tender stems, flowers and fruits of the plants, taking care of rotation. Flex Duct Tape,White Flex Tape,White Flex Seal Tape,Flex Seal Waterproof Tape Kunshan Jieyudeng Intelligent Technology Co., Ltd. , https://www.jerrytapes.com