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用浸液法测定了河北省张家口地区田间小菜蛾种群对氯虫苯甲酰胺等几种新型杀虫剂的敏感性。田间小菜蛾种群对甲氨基阿维菌素苯甲酸盐、多杀菌素、茚虫威、氯虫苯甲酰胺、三氟甲吡醚、氰氟虫腙等的抗性倍数分别为5.19、2.22、0.25、1.07、1.16和0.92倍。敏感性测定结果表明,田间种群对甲氨基阿维菌素苯甲酸盐产生了低水平抗性,对多杀菌素、氯虫苯甲酰胺、三氟甲吡醚未产生明显抗药性,对茚虫威、氰氟虫腙相当敏感。
The immersion method was used to determine the susceptibility of the diamondback moth (Plutella xylostella) population to several new insecticides, such as chlorantran such as chlorantranhes, in Zhangjiakou, Hebei Province. The resistance multiples of the diamondback moth population to emamectin benzoate, spinosad, indoxacarb, chlorantraniliprole, trimethoprim, metaflumizone were 5.19, 2.22 0.25, 1.07, 1.16 and 0.92 times. The results of the sensitivity test showed that the field population produced a low level of resistance to emamectin benzoate, no significant resistance to spinosad, chlorantraniliprole, and trimethoprim, Insecticide, metaflumizone is quite sensitive.