Pyrethroids Technical for Public Health
Pyrethroid insecticidesare a class of synthetic insecticides with high efficiency, broad spectrum, low toxicity and biodegradability.
Pyrethroidare divided into natural and synthetic categories, and the synthetic ones are photounstable and photostable.Their chemical structure is complex, there are optical rotation isomers or cis-trans stereoisomers, the production process of reaction steps, the quality of raw materials and strict control requirements, are typical fine organic synthesis.
Types of Pyrethroids Technical For Public Health
Metoxadiazone
Meperfluthrin
Rich-D-Trans Prallethrin
Chloroprallethrin
Fipronil
Three Pyrethroid Insecticides Are Commonly Used
(1) Fenpermethrin.
It is a pyrethroid pesticideinsecticide with high insecticidal activity and also acaricidal effect. It has strong touching and stomach toxic effects on pests, without internal inhalation and fumigation effect. It can control a variety of pests of chewing and piercing and sucking mouthparts, and it also has good control effect on a variety of tetranychus, which can kill both mites and eggs.
(2) Deltamethrin.
Also known as enemy kill, it is a high efficiency, low residue, broad-spectrum insecticide, with quick effect, high knockdown rate, a strong touch effect on pests, and has both stomach poison and egg killing effects. It has a special effect on Lepidoptera and Homoptera pests, and has a good control effect on ORTHOPtera, Diptera, Hemiptera and Coleoptera pests.
(3) Fenethrin.
Also known as quick kill Ding, has a strong touch effect, and a certain stomach poison effect. It has a special effect on Lepidoptera larvae, and also has a good control effect on Homoptera, Hemiptera and Diptera pests. However, the effect on mites and terrestrial pests are poor.
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