Imidacloprid has very high insecticidal activity, it not only has good contact activity, but also has strong stomach toxicity and systemic activity, and can have good control effect on stem and leaf spray, toxic soil, root immersion and dry injection. . Imidacloprid is fast-acting, and has a high control effect 1 day after the drug, and the residual period is as long as about 25 days. The drug effect is proportional to the temperature, the temperature is high, and the insecticidal effect is good. Imidacloprid is safe for humans, animals, plants and natural enemies. Imidacloprid is a nitromethylene heterocyclic product jointly developed by Bayer and the Japanese special pesticide company. It is widely accepted in the world as an ultra-efficient, broad-spectrum, long-lasting, low-toxic, strong systemic New insecticides . Imidacloprid has special effects on sucking mouthparts pests, and has high activity against aphids, planthoppers, spider mites, thrips, etc., and is not easy to produce cross-resistance, but is ineffective against nematodes and red spiders. It is an ideal systemic insecticidal insecticide. Agent.
Imidacloprid insecticidal mechanism is special, different from pyrethroid insecticides and organophosphorus omethoate, its mechanism of action has a strong effect on the insect nicotinic acetylcholine receptor, unlike acetylcholine, acetylcholine ester The enzyme degrades, thereby destroying the normal conduction of the insect central nervous system, causing the insect's nerves to be destroyed and eventually causing the pest to die.
When controlling pests such as aphids, spider mites, whiteflies, thrips, hibiscus, and planthoppers, spray with 5% imidacloprid soluble emulsion 2000-3000 times solution; or use 6% imidacloprid milk soluble emulsion 3000-4000 Double liquid spray; 10% imidacloprid wettable powder 4000 ~ 6000 times liquid spray. For the prevention and treatment of A. glabrata and Indigo beetle, it is possible to use the solution of 1 to 1.5 ml of liquid per 1 cm of the DBH for tree drying. It can effectively control the homoptera, Hemiptera, Diptera, Isoptera and some Lepidoptera pests, especially for controlling the sucking mouthparts pests.
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