The occurrence and damage of pests and diseases in tea gardens are important factors affecting the yield and quality of tea plants. Organic tea gardens prohibit the use of all chemically synthesized pesticides, how to use the growing environmental conditions of tea plants, and adopt methods such as agricultural measures, physical measures and biological control. To establish a reasonable tea planting system and a healthy ecological environment and to improve the natural ecological control ability in the tea plantation system so as to suppress the outbreak of tea plant diseases and insect pests. This is not only an important technical link in the organic tea production process, but also an important principle of organic agriculture. .
In order to maintain a good ecological environment for tea gardens, it is crucial to reduce the use of pesticides or even avoid the use of chemical pesticides in pests and diseases in tea gardens. Although there are many pests and diseases in tea gardens, only one, two or two or three species are the key pests. They mainly have the following characteristics:
1 The harm period of pests is synchronized with the growth period of tea shoots;
2 The damage of tea plants by pests and diseases exceeds the compensation and tolerance of tea plants;
The 3 populations often operate above or below the economic threshold range.
In the prevention and control of pests and diseases in tea plantations, as long as the prevention and treatment of key pests and diseases is controlled, the losses caused by pests and diseases can be effectively reduced.
Therefore, the principle of pest control in organic tea gardens is based on the understanding of the special ecological environment of tea gardens, based on the drawbacks of conventional agriculture, especially the harmful effects of the use of pesticides, applying the principles of respect for nature, and applying the basic methods of ecology. Give full play to the natural ecological regulation based on the tea plantation environment based on the tea plantation environment, mainly based on agricultural measures, supplemented with appropriate biological and physical control techniques, and using plant-origin pesticides and mineral sources allowed in the organic tea production standards Pesticides control tea plant diseases and pests to ensure healthy growth of tea plants.
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