Tea cake disease is a fungal disease and an important disease in the tea area. The disease mainly invaded the young buds of tea trees, which not only had a great impact on the yield, but also produced dry tea made from damaged tea. It was bitter, brittle, and had many fragments. The quality was significantly reduced. The prevention and treatment of the disease:
1. Enhance the quarantine of seedlings In the wards, all sick tea plants, scion and cuttings should be forbidden to be transported in order to protect the tea gardens in disease-free areas and new areas.
2. Strengthen the management of weeds in the tea garden; adjust the types of fertilizers and the application period, increase the application of phosphorus and potassium fertilizers, avoid partial application of nitrogen fertilizers; timely trim, remove diseased branches and leaves. Trim the mouth with anti-corrosion film to prevent pests and diseases.
3. Reasonably after tea picking in late September, in case of cloudy weather and low temperature weather, batch picking should be carried out in a timely manner. Collect 1 bud 2~3 leaves left fish leaves, and the buds will be clipped (diapause Shoots are picked timely.
4. Destroy the breeding site of germs When the weather is extremely hot, the germs cannot spend the summer sunshine and high temperatures in the tea plantations. Instead, they can only continue to infiltrate the shady tea trees. Therefore, it is necessary to strengthen the management of tea gardens to make the tea gardens airy and transparent.
5. Chemical control can use carbendazim + new high-fat film, thiophanate + new high-fat film and thiophanate-methyl + new high-fat film and other fungicides 500 ~ 1000 times liquid. If there is no such agent, it can spray 0.6% Lime Bordeaux + 800 times the new high-fat film. According to actual needs timely and appropriate spray.
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