Thiamethoxam-Induced Intergenerational Sublethal Effects on the Life History and Feeding Behavior of Rhopalosiphum padi
文献类型： 外文期刊
作者： Gul, Hina 1 ; ul Haq, Ihsan 2 ; Guncan, Ali 3 ; Abbas, Arzlan 4 ; Khan, Shanza 2 ; Yaseen, Aqsa 2 ; Ullah, Farman 5 ; Desneux, Nicolas 6 ; Liu, Xiaoxia 1 ;
作者机构： 1.China Agr Univ, Coll Plant Protect, Dept Entomol, MARA Key Lab Pest Monitoring & Green Management, Beijing 100193, Peoples R China
2.Natl Agr Res Ctr, Inst Plant & Environm Protect, Insect Pest Management Program, Islamabad 44000, Pakistan
3.Ordu Univ, Fac Agr, Dept Plant Protect, TR-52200 Ordu, Turkiye
4.Jilin Agr Univ, Coll Plant Protect, Changchun 130118, Peoples R China
5.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Managing Biot & Chem Threats Qual &, Hangzhou 310021, Peoples R China
6.Univ Cote Azur, INRAE, CNRS, UMR ISA, F-06000 Nice, France
关键词： bird cherry-oat aphid; aphids; neonicotinoids; life table; electrical penetration graphs; ecotoxicology
期刊名称：PLANTS-BASEL （ 影响因子：4.5； 五年影响因子：4.8 ）
ISSN： 2223-7747
年卷期： 2024 年 13 卷 6 期
页码：
收录情况： SCI
摘要： Thiamethoxam, a second-generation neonicotinoid insecticide is widely used for controlling sap-sucking insect pests including Rhopalosiphum padi. The current study aimed to investigate the life-history parameters and feeding behavior of R. padi following treatments with sublethal concentrations of thiamethoxam. The lethal concentration 50 (LC50) value of thiamethoxam against adult R. padi was 11.458 mg L-1 after 48 h exposure. The sublethal concentrations of thiamethoxam (LC5 and LC10) significantly decreased the adult longevity, fecundity, and reproductive days in the directly exposed aphids (F-0 generation). In the progeny R. padi (F-1), the developmental durations and total prereproductive period (TPRP) were decreased while the adult longevity, fecundity, and reproductive days (RPd) were increased at both thiamethoxam concentrations. The demographic parameters including the net reproductive rate (R-0), intrinsic rate of increase (r), and finite rate of increase (lambda) were prolonged only at the LC5 of thiamethoxam. The EPG results indicated that the sublethal concentrations of thiamethoxam increases the total duration of non-probing (Np) while reducing the total duration of E2 in directly exposed aphids (F-0). Interestingly, the E2 were significantly increased in the progeny generation (F-1) descending from previously exposed parental aphids (F-0). Overall, this study showed that thiamethoxam exhibited high toxicity against directly exposed individuals (F-0), while inducing intergenerational hormetic effects on the progeny generation (F-1) of R. padi. These findings provided crucial details about thiamethoxam-induced hormetic effects that might be useful in managing resurgences of this key pest.
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