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Dose-dependent inhibitory effects of glyphosate on invasive Pomacea canaliculata reproductive and developmental growth under oxidative deposition

文献类型： 外文期刊

作者： Liang, Dongxia 1 ; Li, Yinshi 1 ; Li, Shuoyu 1 ; Meng, Dele 1 ; Li, Fengchun 1 ; Huang, Siying 4 ; Gong, Maojian 1 ; Qin, Junhao 1 ; Li, Huashou 1 ;

作者机构： 1.South China Agr Univ, Coll Nat Resources & Environm, Guangdong Prov Key Lab Ecocircular Agr, Guangzhou 510642, Peoples R China

2.Guangdong Acad Agr Sci, Tea Res Inst, Guangdong Prov Key Lab Tea Plant Resources Innovat, Guangzhou 510640, Guangdong, Peoples R China

3.South China Agr Univ, Guangdong Engn Res Ctr Modern Ecoagr & Circular Ag, Key Lab Agroenvironm Trop, Minist Agr China, Guangzhou 510642, Peoples R China

4.Minist Agr & Rural Affairs, Inst Agr Econ & Informat, Guangdong Acad Agr Sci, Key Lab Urban Agr South China, Guangzhou 510642, Peoples R China

5.Shenzhen Agr Sci & Technol Promot Ctr, Shenzhen 518057, Peoples R China

关键词： Pomacea canaliculata; Glyphosate; Individual morphology; Reproductive and developmental toxicity

期刊名称：ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY （ 影响因子：6.8； 五年影响因子：6.9 ）

ISSN： 0147-6513

年卷期： 2023 年 253 卷

页码：

收录情况： SCI

摘要： Glyphosate (GLY) is the most widely used herbicide worldwide, and its effects on animals and plants have attracted increasing attention. In this study, we explored the following: (1) the effects of multigenerational chronic exposure to GLY and H2O2, alone or in combination, on the egg hatching rate and individual morphology of Pomacea canaliculata; and (2) the effects of short-term chronic exposure to GLY and H2O2, alone or in com-bination, on the reproductive system of P. canaliculata. The results showed that H2O2 and GLY exposure had distinct inhibitory effects on the hatching rate and individual growth indices with a substantial dose effect, and the F1 generation had the lowest resistance. In addition, with the prolongation of exposure time, the ovarian tissue was damaged, and the fecundity decreased; however, the snails could still lay eggs. In conclusion, these results suggest that P. canaliculata can tolerate low concentrations of pollution and in addition to drug dosage, the control should focus on two time points, the juvenile and early stage of spawning.

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