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The best way to deal with pest problems is to use pesticides . Now that organophosphorus pesticides account for a relatively large share of the market, do you know what kinds of organophosphate pesticides are there?
Dichlorvos
Also known as DDV, it is an efficient, fast-acting, broad-spectrum organophosphate insecticide suitable for controlling a variety of pests on the lawn, mosquitoes, flies and other health pests as well as fumigation to control pests during the storage period of turf seeds. The preparation has 50% emulsifiable concentrate and 80% emulsifiable concentrate. Spraying 800-1500 times of water with 80% emulsifiable concentrate can control a variety of chewing mouthparts pests on plants, such as yellow-striped beetle, tea caterpillar, rice leafhopper, planthopper, bean hawk moth, apple leaf curler, Peach small heartworm, tobacco budworm, sugar cane, etc. Empty warehouses to control pests such as rice elephants, grain thieves, and wheat moths, sprayed with 80% emulsifiable concentrate 1000 times, and sealed for 2-3 days after application. The size of its insecticidal effect is directly related to the temperature. The higher the temperature, the stronger the insecticidal effect.
Phoxim
Also known as nitrile phosphide, acetonitrile, bismuth phosphide, it is a high-efficiency, low-toxic, broad-spectrum organophosphate insecticide with strong contact and stomach toxicity. It is mainly used to control underground pests on the lawn, and can also control mosquitoes, flies and other sanitary pests and storage pests, especially for cockroaches, cockroaches and golden worms. The preparation has 40% cream and 2.5% microparticles. Foliar spray to control various pests, use 1200-2000 times liquid; control underground pests by soil or seed treatment, seed dressing with 1%-2% (active ingredient, ai), soil treatment with 2.5% microparticles 1.5 -1.8kg/hm2.
3. Chlorpyrifos
The trade name is lesben, the other name is also known as chlorpyrifos. It is a broad-spectrum organophosphate insecticide and acaricide . It has stomach toxicity and contact killing effect and is highly volatile in soil. It is suitable for controlling pests and mites on lawns, and can also be used to control ectoparasites such as mosquitoes, flies and other sanitary pests and livestock. The formulation has 40% emulsifiable concentrate. Control pests such as scale insects, mites, red spiders, and thrips, spray with 500-1500 times liquid; control underground pests with 1.2-2.8kg/hm2 (ai) mixed with poisonous soil.
4. Omethoate
It has contact toxicity, systemic action and stomach toxicity. It is a broad-spectrum organophosphate insecticide and acaricide. The preparation has 40% omethoate emulsifiable concentrate. Spray with 1000-2000 times to control aphids, thrips, leaf bounces, blind mites, spider mites, etc.; spray with 800-1500 times to control cotton red spider, pea leaf miner, pear hibiscus, citrus red wax mites , fruit flies, tobacco budworms and other pests on cotton, fruit trees, vegetables.
5. Malathion
Also known as marathon, it has good contact, stomach toxicity and weak fumigation. It is suitable for controlling chewing mouthparts and sucking mouthparts pests on lawns, pastures, flowers, ornamental plants, vegetables, fruit trees, etc. It can also be used to control household health pests such as mosquitoes and flies, as well as ectoparasites and human bodies. Hey, head squatting. The preparation has 45% malathion EC, 25% malathion oil, 70% high quality malathion EC (insecticide phosphorus), 1.2% malathion powder, and 1.8% malathion powder. When used, it can be used to control rapeseed meal, cotton aphid and cotton aphid with 45% malathion EC. It can be used to control cabbage caterpillar, cotton red spider and cotton aphid.
More pesticide knowledge , please pay attention to China Pesticide Network
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