MySheen

Tea farmers make skillful arrangements for farming in August

Published: 2024-11-22 Author: mysheen
Last Updated: 2024/11/22, In August, the climate is hot, which is conducive to the occurrence of diseases and insect pests. At present, the focus of tea farming is the prevention and rescue of drought and heat damage in tea garden and the prevention and control of diseases and insect pests. Prevention and Rescue of drought and Heat damage under the attack of high temperature and drought, the symptoms of drought and heat damage such as scorched spots, scorched leaves, atrophy of terminal buds and tender stems will appear after about 8-10 days, especially in the young tea garden. Defensive measures: first, ploughing and hoeing in time. Timely weeding can reduce the evaporation of topsoil water, which is an effective measure to prevent drought. Production practice has proved that before the hot weather begins, if there is a drought

August, the climate is hot, conducive to the occurrence of diseases and insect pests. At present, the key points of tea farming are the prevention and rescue of drought and heat damage and the prevention and control of diseases and insect pests.

The defense and rescue of drought and heat damage Under the attack of high temperature and drought, tea plants will appear scorched spots, scorched leaves, terminal buds, tender stems and other drought and heat damage symptoms after about 8 to 10 days, especially in young tea gardens. Defensive measures: First, timely ploughing and hoeing. Weeding in time can reduce evaporation of topsoil moisture, which is an effective measure to prevent drought. Production practice has proved that before the beginning of hot weather, if there is a possibility of drought, it should take advantage of the rain after the day turns good, immediately weeding loose soil, avoid in the dry period, causing tea trees (especially young) suddenly exposed to death. The second is grass. Tea trees are lined with grass to lower the ground temperature and keep the soil moist. Storing water and controlling weeds are good ways to prevent drought and keep water. Rescue measures: For tea trees that have been affected by drought and heat, they should be actively rescued. For example, the dead branches and leaves of the affected tea trees shall be pruned to different degrees according to the damage situation after the drought disappears. To restore the vitality of tea plants, quick-acting nitrogen and potassium fertilizers should be applied timely to cultivate autumn shoots.

At present, the main pests are the fourth generation of tea geometrid, green leafhopper (the second peak), tea orange gall mite, tea cloud leaf blight and tea anthracnose. Reference control chemicals and dosage are as follows: tea geometrid fourth generation: kung fu 20~25ml/mu; enemy kill 20~25ml/mu; saidan 60ml/mu;bt preparation 600~1000 times.

Green leafhopper (second peak): 25% buprofezin 30g/mu;10% imidacloprid 15g/mu.

Tea cloud leaf blight: 75% chlorothalonil 75~100g/mu;50% carbendazim, 50% topzin 75~100g/mu.

 
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