摘要
为了进一步探索新型安全、经济、高效的化学杀虫剂，使用灭铃达对落叶松毛虫、银波舟蛾、黄刺蛾3种主要森林害虫进行防治．其防治效果显著，最佳施药浓度为1000倍、1500倍．
Larch caterpillar. poplar caterpillar and oriental moth are chief past in forest. In order to find the good prevention, the Mielingda is used to control these pest, the tests of insecticied are fine. The perfect preventive results are obtained.
出处
《高师理科学刊》
2000年第1期55-56,共2页
Journal of Science of Teachers＇College and University
