Most of the tea gardens began to sprout in spring in mid-March (excluding tea gardens in greenhouses) and began to grow in spring shoots. The pests that occurred during the spring tea were: tea leafworm, tea aphids, tea-footworm, black tea tussock moth, tea caterpillar, Snake eyelid, Changbai cricket, tea pheasant, black thorn whitefly, tea orange pod, disease: bud blight, white spot disease, dark brown leaf spot. In recent years, some pests have a certain area of ​​occurrence and need to be controlled by drugs. For example, tea leafworms, tea aphids, tea puffer horses, and black locust white locusts are controlled in the middle and late May. Tea locust, tea caterpillar and tea black venom have Insect Infestation Center, for small area, can be manually removed or sprayed, occurs on a large area, and harms the heavier tea gardens, the selection of chemical agents: tea leafworm, tea leafhopper, tea black poison moth, tea caterpillar, available 2.5 % of the enemy to kill emulsifiable concentrate 20--25ml/mu, 2.5% Uranus EC 20ml/mu, 35% Sadan 60-80 ml/mu; tea pheasant, snake eye pipa, Changbai pipa, tea puffer horse, black thorn whiteflies 10% imidacloprid powder 20 g/mu can be used, tea orange can be used 30-30 ml/mu.
The safety intervals of the above pesticides were: enemy killed for 5 days; Uranus 6 days; Sadan 7 days; imidacloprid 7-10 days;
The safety intervals of the above pesticides were: enemy killed for 5 days; Uranus 6 days; Sadan 7 days; imidacloprid 7-10 days;