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Methomyl is the carbamate insecticide with high effective, broad spectrum, low residual and safe using function. It has the poisoning actions of contact,stomach and can kill the insects ova. It is effective to aphids, thrips, citrus leaf miners, cotton bollworms and tobacco insects. It can prevent the Asiatic rice borers, plant hoppers and has certain effects to insects of fruit trees.

Physical and chemical property: Melting point:****9C.Vapor pressure: 6.*7mPa(*5C),Density(*5/*0C)1.**5g/cm3,soluble in acetone, methyl alcohol, chloroform. It's not stable in acidic and alkali condition. Methomyl is a white, crystalline solid with a slight sulfurous odor.

Application: Methomyl was introduced in ***6 as a broad spectrum insecticide. It is also used as an acaricide to control ticks and spiders. It is used for foliar treatment of vegetable, fruit and field crops, cotton, commercial ornamentals, and in and around poultry houses and dairies. It is also used as a fly bait. Methomyl is effective in two ways: (a) as a "contact insecticide, " because it kills target insects upon direct contact, and (b) as a "systemic insecticide" because of its capability to cause overall "systemic" poisoning in target insects, after it is absorbed and transported throughout the pests that feed on treated plants. It is capable of being absorbed by plants without being "phytotoxic" or harmful, to the plant.