Recently, the National Agricultural Technology Extension Service Center announced the fifth batch of highly toxic pesticide alternatives and supporting technologies for tea black locust, corn borer and other crop pests such as tea tree, corn, and citrus, which is an alternative test for highly toxic pesticides. The last batch of alternative drug varieties and technologies announced by the demonstration project more than five years ago.
Tea Black Locust Powder with 36% acetamiprid dispersible granules 3-4 g per mu, or 2.5% bifenthrin EC 60 ml, or 24% spirotetramat suspension 15 ml, or 25% The azine water dispersible granules 7.2-12 grams. It is sprayed at the age of 1-2 years old young nymphs of black tea taro, and the water consumption per mu is 50 kg.
Tea leaves with 25% Thiamethoxam dispersible granules per acre 7.2 grams, or 10% nitenpyrazine aqueous 30-40 ml. In the tea-eye small green leaf young nymph spray, water consumption per mu 50 kg.
Wheat midge 36% acetamiprid water dispersible granules, application of poisonous soil in flood season with 20 grams per acre, adult spray 25 grams per acre; 4.5% beta-cypermethrin EC, flood season application of toxic soil 75 ml per acre , Adult stage spray 150 ml per mu. During the flood season, the above dosage is diluted with 2.5 kg of water, sprayed on 25 kg of fine sand or fine soil, and sprinkled in the wheat row; the adult stage emerges when the midge emerges and the wheat emerges 80%. Spray, 45 kg per mu.
Corn bran uses 90 ml of 30% acephate EC or 10 g of 10% imidacloprid wettable powder per acre. Spraying occurs once during the initial stage of corn bran, and the water consumption per mu is 30-40 kg.
The 70% imidacloprid suspension agent for maize underground pests uses 2 grams of pure drug per kilogram of seed, is diluted after adding 10 milliliters of water, and is suitable for increasing the dose in areas where cerium is mainly used; 35% butyl thiocarbamate seed coating agent, For each kilogram of seed, use 10.5 grams of pure drug seed dressing and air dry to sow.
Tea pods use 16001 U/mg BT wettable powder 100 g/mu, 5% fluvoluril WP 75 ml, or 0.3% matrine water 80 ml/mu. It is sprayed at the younger age of the tea worm, 60 kg per mu.
Citrus aphids use 1.8% avermectin EC per acre 38 ml plus 10% imidacloprid wettable powder 133 g, or 4.5% beta-cypermethrin EC 40 ml, or 1% osthol 160 ml (slightly less immediate). Spraying at the beginning of pests, 100 kg of water per mu.
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