At present, spring tea has been successively mined. According to recent investigations by local plant protection stations, the diseases of the tea leaf, the green leaf stalk, the tea stalk, the tea thorn, the tea caterpillar, etc. have been successively caused.
According to the recent tea garden survey at various monitoring sites, the tea leaf false green leaf mites will enter the high-risk period from May to June, and it is expected to be moderately heavy; the first generation tea black thorn powder will enter the prosperous period in mid-May, the expected extent It is medium; the tea stalk weevil will enter the adult germination period in mid-May, Ningde and Nanping will be heavier, and the rest of the city will be moderate; the first generation of tea caterpillars is mainly 1-2 instar larvae. It is expected that some tea gardens will be biased. All localities should, in light of local actual conditions, strengthen the monitoring of pests, release pest and disease information in a timely manner, and guide tea farmers to take the opportunity to prevent and control.
Prevention opinions:
1. Artificial killing: Using the tea stalk weevil, the vibrating tea trunk is caught by the bandits and concentrated to kill.
2. Chemical control: pesticides with high efficiency, low toxicity, no residue and no export restrictions should be selected. (1) Prevention and control of small green leaf mites in tea false eye: When the tea plantation with more than 6 venetian worms should be sprayed and controlled by the whole garden, the prevention and treatment indicators may be selected as appropriate. The control agent can be selected from 2.5% Uranus emulsifiable concentrate 3000-6000 times, or 10% imidacloprid wettable powder, 3000-4000 times, or 35% Saidan emulsifiable concentrate 1000 times, or 25% Aketai water dispersible granules 15000-20000 times spray. Prevention and treatment; (2) prevention and control of tea grain weevil: When the amount of insects reaches 10,000 or more, it should be sprayed and controlled, and the control agent can be controlled with 5% Ruijin special suspension emulsion with 30-40ml water spray; (3) tea Black thorn powder mites prevention and control: When the field is investigated, tea thorns, lobster, leaflets, 2-3 heads per leaf, large leaf species, 4-7 heads per leaf, should be sprayed, and control agents can use 70% Emerald water dispersion tablets. 2-3 grams or 20% Kangfuduo concentrated solvent 8-10ml water spray control; (4) tea caterpillar control: when there are more than 10 larvae per square meter of tea plants should be sprayed in time, not up to standard Can be selected as appropriate, the control agent can be controlled with 2.5% Uranus EC 1000 times spray.
According to the recent tea garden survey at various monitoring sites, the tea leaf false green leaf mites will enter the high-risk period from May to June, and it is expected to be moderately heavy; the first generation tea black thorn powder will enter the prosperous period in mid-May, the expected extent It is medium; the tea stalk weevil will enter the adult germination period in mid-May, Ningde and Nanping will be heavier, and the rest of the city will be moderate; the first generation of tea caterpillars is mainly 1-2 instar larvae. It is expected that some tea gardens will be biased. All localities should, in light of local actual conditions, strengthen the monitoring of pests, release pest and disease information in a timely manner, and guide tea farmers to take the opportunity to prevent and control.
Prevention opinions:
1. Artificial killing: Using the tea stalk weevil, the vibrating tea trunk is caught by the bandits and concentrated to kill.
2. Chemical control: pesticides with high efficiency, low toxicity, no residue and no export restrictions should be selected. (1) Prevention and control of small green leaf mites in tea false eye: When the tea plantation with more than 6 venetian worms should be sprayed and controlled by the whole garden, the prevention and treatment indicators may be selected as appropriate. The control agent can be selected from 2.5% Uranus emulsifiable concentrate 3000-6000 times, or 10% imidacloprid wettable powder, 3000-4000 times, or 35% Saidan emulsifiable concentrate 1000 times, or 25% Aketai water dispersible granules 15000-20000 times spray. Prevention and treatment; (2) prevention and control of tea grain weevil: When the amount of insects reaches 10,000 or more, it should be sprayed and controlled, and the control agent can be controlled with 5% Ruijin special suspension emulsion with 30-40ml water spray; (3) tea Black thorn powder mites prevention and control: When the field is investigated, tea thorns, lobster, leaflets, 2-3 heads per leaf, large leaf species, 4-7 heads per leaf, should be sprayed, and control agents can use 70% Emerald water dispersion tablets. 2-3 grams or 20% Kangfuduo concentrated solvent 8-10ml water spray control; (4) tea caterpillar control: when there are more than 10 larvae per square meter of tea plants should be sprayed in time, not up to standard Can be selected as appropriate, the control agent can be controlled with 2.5% Uranus EC 1000 times spray.
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