The bioassay under laboratory conditions with Potter Method indicated that the values of LC0(8h) of .8% Avermectin EC and 8000IU/mg Bt WP against Plutella xylostella L. (nd instar) were 0. mg/L and . IU/mg, respectively.
The bioassay under laboratory conditions with Potter Method indicated that the values of LC0(8h) of .8% Avermectin EC and 8000IU/mg Bt WP against Plutella xylostella L. (nd instar) were 0. mg/L and . IU/mg, respectively.
采用Potter喷雾法测定了.8%阿维菌素乳油和8000IU/mg苏云金杆菌可湿性粉剂对小菜蛾龄幼虫的毒力,结果表明8h的致死中浓(LC_(0))分别为0.mg/L和. IU/mg。