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苏脲Ⅰ号是通过干扰昆虫的蜕皮生理过程,抑制表皮中几个质的合成而使昆虫致畸致死。试验采用5、10、20、50、100和150ppm 等几种浓度,在处理后第六天死亡率均达80%以上,从经济和防治的原则,可选10ppm 和20ppm 为防治的适宜浓度。苏脲Ⅰ号防治菜青虫用药量少,经济安全、保护天敌、无污染、无公害,取得了生态的、经济的和社会的效益,可以代替速灭杀丁、敌杀死和敌敌畏等农药,作为无公害农药来使用。
Su urea I is through the interference of insect molting physiological processes, inhibition of several qualitative synthesis in the epidermis so that insects teratogenic death. The test used 5, 10, 20, 50, 100 and 150ppm and other concentrations, the sixth day after treatment, the mortality rate reached more than 80%, from the economic and prevention principles, optional 10ppm and 20ppm for the appropriate concentration to prevent and control. Su urea I control cabbage was less medication, economic security, protection of natural enemies, pollution-free, pollution-free, and achieved ecological, economic and social benefits, can replace the quick kill kill Ding, kill enemy and dichlorvos and other pesticides, Use as pollution-free pesticide.