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What kind of bugs does abamectin kill? Be sure to distinguish!
Time：
10 Jan,2024
Touch kill, stomach poison, strong penetration. It is a kind of macrolide disaccharide compound. It is a natural product isolated from soil microorganisms, with poisoning effects of touch and stomach and weak fumigation on insects and mites, without endosorption.
However, it has a strong penetrating effect on leaves, killing pests under the epidermis, and has a long residual period. It does not kill eggs. Its mechanism of action is different from that of general insecticides in that it interferes with neurophysiological activities and stimulates the release of r-aminobutyric acid, which has an inhibitory effect on the nerve conduction of arthropods, and mites, mites and insects and larvae with the contact of the agent will show paralysis symptoms, inactivity and feeding, and will die in 2~4 days.
Because it does not cause rapid dehydration of insects, its lethal effect is slow. However, it has a direct killing effect on predatory and parasitic natural enemies, but the damage to beneficial insects is small because of the small residue on the plant surface. The effect on root nodule nematodes is obvious.
Excellent effect on lepidopteran pests
Avermectin has been registered more on the lepidopteran pest, the cabbage moth, and occasionally on the rice leaf borer. At present, avermectin is mainly used to fight the leaf borer in rice, and due to the long time of use, generally avermectin will also be compounded with tetrachlorothalonilamide and chlorothalonilamide, etc., to control the leaf borer.
In the past few years, the rice market has appeared with a high dose of abamectin to fight resistant stem borer, in the case of compounding other agents, the effect is not bad, abamectin in the vegetables on the use of small vegetable moth is less, mainly resistance is too large.
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