Main Diseases and Insect Pests of Tea Plantations and Comprehensive Measures for Their Prevention and Control

Key words: 
• tea plantation /
• plant disease and insect pest /
• chemical control /
• comprehensive prevention and control

Abstract: The planting area of dark tea plantation is large in Hunan Province, but tea shrubs are harmed by many diseases and insect pests during planting and production, which seriously affects the yield and quality of tea. In order to effectively control the diseases and insect pests of tea shrubs and ensure the production and quality safety of tea, this paper gives a detailed description of the main diseases and insect pests of tea plantations in Yiyang city, and puts forward a series of prevention and control measures. The results show that the main diseases of black tea garden in Yiyang city are anthracnose, white star disease, tea red scab, tea blister blight and tea grey blight, and the main insect pests are tea caterpillar Euproctis pseudoconspersa Strand, Ectropis obliqua, Eterusia aedea, Arctornis alba, Empoasca pirisuga Matumura, Aleurocanthus spiniferus Quaintance, Iragoides fasciata Moore, Myllocerinus aurolineatus Voss, Polyphagotarsonemus latus Banks and Toxoptera aurantii Boyer. Further, from the perspective of the whole ecosystem, it is suggested to comprehensively apply various control measures such as ecological regulation, agricultural control, physical control, biological control and chemical control to provide feasible technical reference for the comprehensive control of tea plant diseases and insect pests in Henan.