摘要
该文应用苏特灵 Bt生物杀虫剂防治黄褐天幕毛虫 Malacosoma neustria,筛选适宜的用药浓度 ,防治最佳虫龄和时间 ,为大面积防治提供可靠依据。试验结果表明 :60 0~ 80 0倍液 ,1~ 2龄幼虫群集网幕中施药 ,杀虫率 95.5%以上。
Result of the experiment shows that Suteling applied at the concentrations of 600~800 times can kill over 95.5% of Malacosoma neustria larvae in the first and second instars.That provides reliable data for the large scale control.
出处
《中国森林病虫》
北大核心
2001年第2期27-29,共3页
Forest Pest and Disease