How to reduce purple leaves of tea garden
In summer, due to sufficient sunlight, it will cause purple buds in the tea garden. We have taken the following measures and achieved satisfactory results.
Use greenhouse scaffolding or new scaffolding to cover the shade net at the top of the tea garden. The shade rate is 60%. It can achieve the purpose of reducing purple buds, increasing the beneficial components of fresh leaves, and improving the quality of summer tea.
In addition, combined with other management. Such as: shallow loose soil, summer shear, scientific pest control. Special attention should be paid to the prevention and control of pests and diseases. When using chemical control, attention should be paid to prevention and control indicators and appropriate control period. The control of tea aphids, black locust mealybugs, tea green leafhoppers, is mainly using 10% imidacloprid wettable powder 3000 to 4000 times liquid, 1/15 hectare (1 mu) dosage 20 to 30 grams, safety interval 7 to 10 days . The prevention and treatment of fleas is mainly spraying 20% ​​tetracycline suspension 1000 times, 1/15 ha 50-75 g, and the safety interval is 10 days. Prevention of keratin wax, mainly spraying 50% phoxim EC 1000 ~ 1500 times solution, 1/15 hectare dosage 50 ~ 75 grams, safety interval of 3 to 5 days. Prevention of bud blight, leaf blight, tea leaf disease, tea cake disease, mainly sprayed with 70% thiophanate-methyl wettable powder 1000-1500 times, 1/15 ha 50-75 g, safety interval 10 days. (Chang Xuexia, Agricultural Technology Station, Rizhao Street, Donggang District, Rizhao City)
Use greenhouse scaffolding or new scaffolding to cover the shade net at the top of the tea garden. The shade rate is 60%. It can achieve the purpose of reducing purple buds, increasing the beneficial components of fresh leaves, and improving the quality of summer tea.
In addition, combined with other management. Such as: shallow loose soil, summer shear, scientific pest control. Special attention should be paid to the prevention and control of pests and diseases. When using chemical control, attention should be paid to prevention and control indicators and appropriate control period. The control of tea aphids, black locust mealybugs, tea green leafhoppers, is mainly using 10% imidacloprid wettable powder 3000 to 4000 times liquid, 1/15 hectare (1 mu) dosage 20 to 30 grams, safety interval 7 to 10 days . The prevention and treatment of fleas is mainly spraying 20% ​​tetracycline suspension 1000 times, 1/15 ha 50-75 g, and the safety interval is 10 days. Prevention of keratin wax, mainly spraying 50% phoxim EC 1000 ~ 1500 times solution, 1/15 hectare dosage 50 ~ 75 grams, safety interval of 3 to 5 days. Prevention of bud blight, leaf blight, tea leaf disease, tea cake disease, mainly sprayed with 70% thiophanate-methyl wettable powder 1000-1500 times, 1/15 ha 50-75 g, safety interval 10 days. (Chang Xuexia, Agricultural Technology Station, Rizhao Street, Donggang District, Rizhao City)
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