江西农业大学学报2011，Vol.33Issue(4)：690-695,706,7.
氯虫苯甲酰胺对甜菜夜蛾的亚致死效应研究
Sublethal Effects of Chlorantraniliprole on Spodoptera exigua
摘要
Abstract
In order to study the effects of chlorantraniliprole at sublethal concentrations on the develop ment and activities of detoxification enzymes of Spodoptera exigua, the sublethal doses (LC25 and LC50) were estimated by the artificial diet incorporation bioassay method, and the sublethal effects were investigated, re spectively. The results showed that the chlorantraniliprole at the LC25 and LC50 doses significantly prolonged the development duration of larvae and pupa of S. Exigua, reduced the larval weight and pupal weight, and decreased the pupation rate, eggs laid per female and egg hatchability when compared with the control. These results indicated that the chlorantraniliprole at sublethal concentrations had a negative effect on population development of S. Exigua. Furthermore, the activities of esterase and mixed function oxidase of the chlorantranil-iprole-treated larvae were significantly lower than that of the control. These results suggested that the chlorantraniliprole at sublethal concentrations had inhibition effect on the activities of esterase and mixed function oxidase in S. Exigua larvae. These results demonstrated that the decrease in the activities of esterase and mixed function oxidase of the chlorantraniliprole - treated larvae could partly explain the changes in the mentioned growth parameters. Furthermore, the sublethal dosage of chlorantraniliprole could decrease the developmental rate and fecundity of S. Exigua, this provides positive significance toward developing IPM program for S. Ex igua.关键词
甜菜夜蛾/氯虫苯甲酰胺/亚致死效应Key words
Spodoptera exigua/ chlorantraniliprole/ sublethal effects分类
农业科技引用本文复制引用
陈琼,黄水金,秦文婧..氯虫苯甲酰胺对甜菜夜蛾的亚致死效应研究[J].江西农业大学学报,2011,33(4):690-695,706,7.基金项目
江西省自然科学基金项目(2008GZN0010) （2008GZN0010）
