Environmental protection is becoming more and more intense in people's minds. China's pesticide network Xiaobian also warmly appeals to everyone to pay attention to environmental protection. In particular, it is necessary to use pesticides safely and try to choose pollution-free pesticides. When it comes to this, what are the common pollution-free pesticides? ? Xiaobian simply sorted it out: One type is the biological pesticide that everyone often sees: Biological pesticides have special effects on pests and are highly safe pesticides. They are characterized by high efficiency, low toxicity, no residue and slow resistance. Such as bacterial insecticide BT (Bacillus thuringiensis microbial insecticide), avermectin; ginseng plant insecticide; fungal insecticide (B. albicans); insect virus insecticide and insect pheromone (such as sex Lure). Modern concept of plant-derived pesticides: plant extracts (such as azadirachtin, chuanxiong) that have specific effects on pests such as refusal to eat, repel, hinder development, and interfere with reproduction. It can prevent the pests from peeling and interfere with development and play a controlling role. It is harmless to humans and higher animals, has little impact on natural enemies, and is safe to the environment. For example, Yitaibao, diflubenzuron, and chlorpyrifos have been widely used, and new varieties such as chlortetracycline and rice are also being promoted. For example, spinosad-resistant vegetable pests are highly efficient and quick-acting, but they are safe for humans and higher animals, and have a short safety interval, which is very suitable for use in vegetable fields. For example, carbamate anti-Polygon is only highly effective against aphids (with triple action of contact, stomach poisoning, and fumigation), and has no harm to other organisms, and has a short residual period. It is safe for crops and natural enemies, and produces pollution-free vegetables. The ideal agent for maintaining the ecological balance of vegetable fields.
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Second, insect growth regulator:
Third, the new antibiotic preparations:
Fourth, high-efficiency and strong selective agents: