Insecticides are chemical agents used to control pests. Including organic insecticides, plant insecticides, mineral oil insecticides, microbial insecticides. Insecticide is a kind of pesticide with the largest dosage and the largest variety. Generally, most insecticides can only kill insects but not prevent diseases.
Stomach poison. Through the mouth of the insect into its digestive system to play a toxic role, such as trichlorfon.
Pesticides. After contacting with the epidermis or appendage, infiltrate the insect body, or corrode the wax layer of the insect body, or plug the valve and kill pests, such as pyrethroids, mineral oil emulsions.
Fumigant. Use of toxic gas, liquid or solid volatilization and vapor poisoning pests or bacteria, such as methyl bromide, etc.
Internal inhalation of insecticide. It is absorbed by seeds, roots, stems and leaves of plants and transported to the whole plant. In a certain period of time, the original body or its activated metabolites enter the insect body with the pest to feed on plant tissues or suck plant juice, and play a toxic role, such as Dimethoate, etc.