There are many types of insecticides, and there are generally the following types depending on the properties of the agents, the ways of entering the body and the mechanism of poisoning.
Shandong Chunyu Water-saving Irrigation Equipment Co., Ltd., founded in 2011, is located in Laiwu High-tech Zone, Jinan City. It is a high-tech enterprise focusing on innovative and efficient emitter mold manufacturing and emitter product research and development and production. After nearly ten years of innovation and development, it is the invisible champion enterprise in Shandong Province, and now it is in a leading position in this field in China.
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Stomach poisoning: that is, feeding through pests, so that the agent enters the digestive tract of the parasite and causes poisoning and death through intestinal absorption. When these kinds of medicines are applied, they should be sprayed on the leaves of plants that the insects feed on, control a variety of leaf-feeding pests, or mix in bait to make baits to control underground pests such as cockroaches, golden needle beetles and ground tigers.
Contact killing effect: that is, contact with the agent through the epidermis of insect pests, infiltrate the insect body and cause poisoning and death. There are many types of these agents and they have a wide range of insecticides, such as dimethoate, phoxim, and pyrethroid pesticides. When applied, they can be directly sprayed on the pests, or where the pests feed, and directly or indirectly contact with the parasites, which can play a role in poisoning pests.
Systemic uptake: Through the plant's roots, stems, leaves, seeds absorb the agent into the plant body, and in the plant body to ease, spread, make the plant body toxic and can stay for a certain period of time, or produce more toxic metabolites. When the pests take poisonous plant tissues or sap poisoning, such as dimethoate and phosphorus uptake. Application can be
Spraying, seed dressing, smearing and poisoning soils are used to make the plants toxic. These pesticides have special lethal effects on pests and insects that are harmed by sucking mouthparts, such as aphids, red spiders, and scale insects.
Fumigation: The medicament is in a gaseous state and enters parasites through the respiration of insect pests to cause death, such as methyl bromide and aluminum phosphide. These pesticides are mostly used for fumigation in warehouses and can also be used for field fumigation.
Inducing effect: That is, the agent can attract pests to approach and concentrate to kill. Such as sexual attractants, also known as sex hormones, after artificial chemical synthesis, made lures, attracting the same type of heterosexual pests fly. At present, direct killing and interference in mating are two main methods. Direct trapping is often used as an effective means of pest prediction and prediction, thereby reducing the population of pests in the field for the next generation of pests. Interfering with mating is the oblivious method. Applying sexual attractants in the field can destroy the normal information link between male and female worms, causing males to lose their ability to orient their females, and not to mate and reproduce.
Repellent effect: After the pesticide is applied on the plant, the pests can be avoided and harmed.
Infertility: When these insecticides are eaten or contacted by pests, they can damage their genital organs and make them unable to breed. Such as alkylating agents, hexaphosphamide, sterility, etc., these pesticides are collectively referred to as sterilizers.