How to use avermectin with good effect?

How to use avermectin with good effect? What is the insecticidal principle of avermectin? In general, what kind of insect pests? how much medicine is enough? Please introduce the insecticidal principle of avermectin: it has stomach toxicity and contact effect on mites and insects, but can not kill eggs. Avermectin sprayed on the leaf surface can be decomposed and dissipated rapidly, but the active components infiltrating into plant parenchyma can exist in plant tissue for a long time and have conduction effect. this effect determines its long residual effect on harmful mites and harmful insects in plant tissue. The action mechanism of avermectin is different from that of general insecticides in that it interferes with neurophysiological activities and inhibits nerve conduction in arthropods. The adults, nymphs and insect larvae of mites showed paralysis symptoms after contact with avermectin, did not move, did not feed, and died 2-4 days later. Avermectin has a slow lethal effect because it does not cause rapid dehydration of insects. Avermectin has direct contact effect on predatory insects and parasitic natural enemies, but it has little damage to beneficial insects because of less residue on plant surface. Avermectin adsorbed by the soil does not move and is decomposed by microorganisms, so it has no cumulative effect in the environment and can be used as a part of integrated control. The preparation is easy to prepare and can be used by pouring the preparation into human water and stirring a little. It is also safer for crops and will not cause drug damage when used according to the introduced method. Avermectin usage: 1. Control leaf mites and rust mites: spray 1.8% avermectin EC 3000-5000 times. 2. Ground spray of 1.8% avermectin EC 6000-8000 times for the control of various pine caterpillars, American white moths, poplar moths and other leaf-eating pests, 1.8% avermectin EC 2-5ml per hectare for aircraft spray, 1.8% avermectin EC mixed with zero diesel oil according to the proportion of 1 ∶ 40. Matters needing attention in the use of avermectin: 1. Avermectin killed insects and mites slowly, and the peak of death appeared only 3 days after application, but pests and moths stopped feeding and harming on the day of application. 2. Avermectin is highly toxic to fish, so do not make the liquid pollute rivers and ponds, and do not apply it during the honey gathering period of bees. Click to get more pesticide application techniques