摘要
应用 5种不同浓度的绿得保生物农药林间喷粉防治马尾松毛虫 ,结果表明 ,绿得保∶轻质碳酸钙为 4∶10 0、5∶10 0的配比浓度既经济 ,效果又好 ,林间杀虫效果依次为 92 13%、95 2 3% 。
Five concentrations of Ludebao,a biotic pesticide,were dusted against Dendrolimus punctatus in the forest.The result showed that Ludebao raw dust and light calcium carbonate mixed in the proportion of 4∶100 and 5∶100 in weight were effective and economic.Their control effect reached 92 13% and 95 23% respectively.
出处
《中国森林病虫》
北大核心
2003年第1期32-34,共3页
Forest Pest and Disease
