Effects of insecticides on malacostraca when managing diamondback moth (Plutella xylostella) in combination planting-rearing fields

文献类型： 外文期刊

第一作者： Wang, Dongsheng

作者： Wang, Dongsheng;Lv, Weiguang;Yuan, Yongda;Zhang, Tianshu;Teng, Haiyuan;Chang, Xiaoli;Losey, John E.;Chang, Xiaoli

作者机构：

关键词： Cauliflower; Chinese mitten crab; Red swamp crayfish; Insecticide; Plutella xylostella; Pest management

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：7.129； 五年影响因子：7.284 ）

ISSN： 0147-6513

年卷期： 2022 年 229 卷

页码：

收录情况： SCI

摘要： The combination of crop planting and animal rearing in the same area is popular. However, if the methods of planting and rearing are not appropriate, it will result in losses and the disruption of pest management. The toxicities of 17 insecticides to Plutella xylostella, Eriocheir sinensis, and Procambarus clarkii were tested. The recommended maximum field doses were used in 2 d and 4 d bioassays, and the levels of resistance of P. xylostella to insecticides were determined. Of five insecticides that had relatively low toxicity to E. sinensis and P. clarkii, spinetoram and MbNPV showed the best control efficacy of P. xylostella, followed by tetrachlorantraniliprole, chlorantraniliprole, and avermectin. P. xylostella had relatively little resistance to spinetoram, MbNPV, chlorantraniliprole, and avermectin. Therefore, we concluded that the best insecticides suitable for combination planting and rearing fields (cauliflower-crab or cauliflower-crayfish) were spinetoram and MbNPV, followed by chlorantraniliprole and avermectin. Other insecticides, such as emamectin benzoate, indoxacarb, and chlorfenapyr were effective at controlling P. xylostella, but they were not suitable for use in combination planting and rearing fields because of their high toxicity to crabs and crayfish.

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