灭幼脲三号是近年来我国新合成的一种昆虫生长调节剂,它能抑制昆虫表皮几丁质的形成,使昆虫不能正常脱皮、变态而死亡。因此,它是一种激素型杀虫剂。一、灭幼脲三号的特点近两年全省试验证明,灭幼脲三号具有防效高、用量少、成本低、残效期长、不杀伤天敌、对人畜无毒、不污染环境等优点,是目前防治美国白蛾较为理想的新药剂。 Chlorbenzuron III is a newly synthesized insect growth regulator in China in recent years. It can inhibit the formation of insect chitin and prevent the insects from peeling and perverting. Therefore, it is a hormone insecticide. First, the characteristics of biuret on the 3rd In recent years the province’s tests show that the biuret on the 3rd with high anti-efficiency, less dosage, low cost, long residual period, no killing of natural enemies, non-toxic to humans and animals, do not pollute the environment And other advantages, is the current control of the United States moth more ideal new agent.