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Residual toxicity and sublethal effects of fenvalerate on the development and physiology of Spodoptera exigua reared on different hosts

文献类型： 外文期刊

作者： Khan, Muhammad Musa 1 ; Hafeez, Muhammad 2 ; Siddiqui, Junaid Ali 3 ; Ullah, Farman 4 ; Shah, Sakhawat 5 ; Iftikhar 1 ;

作者机构： 1.South China Agr Univ, Key Lab Biopesticide Innovat & Applicat, Guangzhou 510642, Guangdong, Peoples R China

2.Zhejiang Acad Agr Sci, Inst Plant Protect & Microbiol, State Key Lab Breeding Base Zhejiang Sustainable, Hangzhou 310021, Peoples R China

3.South China Agr Univ, Red Imported Fire Ant Res Ctr, Guangzhou 510642, Guangdong, Peoples R China

4.China Agr Univ, Dept Entomol, Coll Plant Protect, Beijing 100193, Peoples R China

5.Huazhong Agr Univ Wuhan, Coll Plant Sci & Technol, Hubei Insect Resources Utilizat & Sustainable Pes, Wuhan 430070, Hubei, Peoples R China

6.Ayub Agr Res Inst, Entomol Res Inst, Faisalabad, Punjab, Pakistan

7.South China South China Agr Univ, Dept Anim Nutr & Feed Sci, Coll Anim Sci, Guangzhou 510642, Peoples R China

8.King Saud Univ, Dept Zool, Coll Sci, POB 2455, Riyadh 11451, Saudi Arabia

9.Univ Tartu, Inst Ecol & Earth Sci, Lai 40, EE-51005 Tartu, Estonia

关键词： Beet armyworm; Fenvalerate; Sublethal effects; Resistance mechanism; Detoxification enzymes activity

期刊名称：JOURNAL OF KING SAUD UNIVERSITY SCIENCE （ 影响因子：4.011； ）

ISSN： 1018-3647

年卷期： 2021 年 33 卷 7 期

页码：

收录情况： SCI

摘要： Beet armyworm Spodoptera exigua (Hubner) (Lepidoptera: Noctuidae) is one of the most devastating pests of different key crops. The present study deals with the toxic effect of fenvalerate insecticide on the development, reproduction and the detoxification enzyme's activity of S. exigua feeding on tomato, cabbage, and artificial diet. The developmental period of the second instar to adult emergence was pro-longed (16.74 days) reared on tomato followed by cabbage (15.97 days) and artificial diet (15.62 days). The fecundity of S. exigua was lowest on the tomato plant (279 eggs), followed by an artificial diet (347 eggs), while the highest number of eggs was observed on cabbage after the control diet (421eggs). Moreover, the lowest survival rate of the second to the third instar, fourth to the fifth instar, and hatch-ability were recorded in insects reared on tomato (70.89%) compared to that reared on cabbage (77.08%) and artificial diet (79.66%). S. exigua reared on tomato had the lowest intrinsic rate of increase (r: 0.133) and the highest mean generation time (T: 31.36). Furthermore, detoxifying enzyme activity in S. exigua was much lower on tomato than on cabbage and diet. Moreover, the fenvalerate toxicity was synergized by either piperonyl butoxide (PBO) or S,S,S tributylphosphorotrithioate (DEF) due to the likely participa-tion of monooxygenases or esterase; this suggests a general metabolic resistance. This research provides a solid base for devising an applicable and successful strategy for the controlling the resistance develop-ment in beet armyworms. (c) 2021 The Authors. Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

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