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Tea black thorn powder 3-4 3-4 grams per acre with 36% acetamiprid water dispersion granules, or 2.5% bifenthrin EC 60 ml, or 24% spirotetral ethyl ester suspension 15 ml, or 25% worm The azine water dispersible granules are 7.2-12 g. In the nymphs of 1-2 years old nymphs, the amount of water used per mu is 50 kg.
Tea green leafhopper 7.2 grams per mus with 25% thiamethoxam water dispersing granules, or 30-40 ml with 10% nitenpyram water. In the tea false eye green leaf è‰ young nymphs in the prosperous period spray, the water consumption per mu is 50 kg.
36% acetamiprid water-dispersible granules of wheat larvae, 20 grams per mu for toxic soil application, 25 grams per acre for adult spray; 4.5% beta-cypermethrin emulsifiable concentrate, 75 ml per acre for toxic soil application in flood season In the adult stage, spray 150 ml per acre. In the phlegm period of the phlegm, the above dosage is diluted with 2.5 kg of water, sprayed on 25 kg of fine sand or fine soil, and mixed, and applied to the wheat row; in the adult stage, when the worm is emerged and the wheat is 80%. Spray, 45 kg of water per mu.
Corn gluten 90 ml of 30% acephate emulsifiable concentrate per acre, or 20 g of 10% imidacloprid WP. Spray once in the beginning of the corn meal, the water consumption per acre is 30-40 kg.
70% imidacloprid suspension of corn underground pests, 2 grams of pure medicine per kilogram of seeds, diluted with 10 ml of water, and mixed with seeds, in the area dominated by strontium should be appropriately increased; 35% butyl thiocarbamate seed coating agent, Seeds were mixed with 10.5 g of pure medicine per kg of seeds and dried for sowing.
Tea è – 1600 1001g/mg BT wettable powder 100g per acre, or 5% hexaflumuron EC 75ml, or 0.3% matrine water 80ml. In the tea pupa, the young larvae spray, the water consumption per mu is 60 kg.
Citrus aphids 38% of avermectin EC with 133 grams of 10% imidacloprid WP per acre, or 40 ml of 4.5% beta-cypermethrin EC, or 1% of osthole 160 mg (slightly less effective). Spray at the beginning of the pest, using 100 kg of water per mu.
The fifth batch of highly toxic pesticide substitutes and supporting technology
Recently, the National Agricultural Technology Extension Service Center announced the fifth batch of highly toxic pesticide substitutes and supporting technologies for tea pests such as tea black thorn, corn borer and other tea, corn, citrus and other crop pests. This is a highly toxic pesticide replacement test. The demonstration project implemented the last batch of alternative pharmaceutical varieties and technologies announced in more than five years.
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