Sublethal Effects of Chlorantraniliprole on Spodoptera litura (Lepidoptera: Noctuidae) Moth: Implication for Attract-And-Kill Strategy.
Sublethal Effects of Chlorantraniliprole on Spodoptera litura (Lepidoptera: Noctuidae) Moth: Implication for Attract-And-Kill Strategy.
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DOI：
10.3390/toxics9020020
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发表时间：
2021-01-22
期刊：
影响因子：
4.6
通讯作者：
Liu Y
中科院分区：
文献类型：
--
作者：
Kong F;Song Y;Zhang Q;Wang Z;Liu Y
植物源挥发性引诱剂和合成杀虫剂在引诱和杀灭程序中的综合使用是减少农药投入的害虫综合管理程序的有用工具。灭多威在中国十字花科蔬菜上已被禁用，因为它对非目标生物也有很高的毒性，因此急需有效的替代杀虫剂来取代灭多威。本研究对15种常用杀虫剂进行了室内毒力测定。在斜纹夜蛾蛾中，发现氯虫苯甲酰胺、氟虫双酰胺和甲氨基阿维菌素苯甲酸盐具有最高水平的毒性（LC 50分别为0.56、3.85和6.03 mg a.i. 1）。暴露于低致死浓度氯虫苯甲酰胺LC 50后，蛾的繁殖力大幅降低。卵孵化率低于LC 20和LC 50处理蛾对比未处理的对照对。在LC 50 × LC 50 × 10队列中，净繁殖率（R0）、内在增长率（r）和有限增长率（λ）显著降低。幼虫的死亡率显着较高，在随后的几代对LC 50处理的蛾。氯虫苯甲酰胺的毒力最强，对蛾类有明显的亚致死作用，可作为灭多威的替代杀虫剂用于防治粘虫。LC_（50）值表明，对斜纹夜蛾具有较高的防治潜力。通过引诱和杀死计划。
The integrated use of plant-derived volatile attractants and synthetic insecticides in attract-and-kill programs is a useful tool for integrated pest management programs reducing pesticide input. Efficient alternative insecticides are critically needed to replace methomyl, which has been banned on cruciferous vegetables in China because it is also highly toxic to nontarget organisms. In the present study, among 15 commonly used insecticides were screened for toxicity against S. litura moths, where chlorantraniliprole, flubendiamide, and emamectin benzoate was found to have the highest levels of toxicity (LC50 of 0.56, 3.85, and 6.03 mg a.i. L−1 respectively). After exposure to the low lethal concentration LC50 of chlorantraniliprole, fecundity of the moths was substantially reduced. Egg-hatching was lower for LC20- and LC50-treated moth pairs than for untreated control pairs. Net reproductive rate (R0), intrinsic rate of increase (r), and finite rate of increase (λ) were significantly reduced in LC50♀ × LC50♂ cohorts. Larval mortality was significantly higher in subsequent generations in pairs of LC50-treated moths. Chlorantraniliprole, which was most toxic and had significant sublethal effects on moths, can be used as an alternative insecticide to methomyl in the attracticide for controlling S. litura moths, and the LC50 indicated a high potential for efficacy in the control S. litura through attract-and-kill schemes.
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