应用苏特灵Bt防治黄褐天幕毛虫的试验

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：600～800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.