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25%灭幼脲Ⅲ号防治松毛虫技术开发试验 被引量:1

Experiment of pine caterpillar prevention using 25% benrophenolureas
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摘要 :2 5%灭幼脲Ⅲ号是具有特异作用和高度选择性的仿生杀虫剂 ,经过 1997~ 1999年的技术开发试验和大面积推广应用 ,得出 4 50~ 60 0g hm2 为最佳用药量 ,对松毛虫各虫态、各龄期均有杀灭作用 ,不但压低当代虫口密度 ,而且还具有后效作用 ;抗雨水冲刷 ,残效期可达 35d ,不污染环境 。 Benropheno lureas of 25% concentration is a kind of biomimetic synthetic pesticide with high selectivity and special function.Experiments of its use were done during 1997 to 1999 in large areas.Results show that 450~600 g/hm 2 were optimum amount,and the drug was effective to pine caterpillar in different phase and at diverse age.It also can last for 35d and resist rains.However,the drug would not pollute the environment and is safe to nature enemies of pine caterpillar.
出处 《辽宁林业科技》 2000年第6期11-12,共2页 Liaoning Forestry Science and Technology
关键词 灭幼脲Ⅲ号 防治 松毛虫 benrophenolureas,prevention,pine caterpillX
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