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Combined effect of nucleopolyhedrovirus and Microplitis pallidipes for the control of the beet armyworm, Spodoptera exigua

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文献类型：外文期刊

作者： Jiang, Jiexian ¹ ; Zeng, Aiping ² ; Ji, Xiangyun ¹ ; Wan, Nianfeng ¹ ; Chen, Xiaoqin ¹ ;

作者机构： 1.Shanghai Acad Agr Sci, Ecol Environm Protect Res Inst, Shanghai Key Lab Protected Hort Technol, Shanghai 201106, Peoples R China

2.Hunan Agr Univ, Coll Biosafety Sci & Technol, Changsha 410128, Hunan, Peoples R China

关键词： Microplitis pallidipes;nucleopolyhedrovirus;Spodoptera exigua;virus transmission

期刊名称：PEST MANAGEMENT SCIENCE （影响因子：4.845；五年影响因子：4.674 ）

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收录情况： SCI

摘要： BACKGROUND: Nucleopolyhedrovirus (SeNPV) and Microplitis pallidipes are important biological control agents of Spodoptera exigoa populations. The interactions between these agents and their combined effect on pest control were investigated in the laboratory and in commercial greenhouses. RESULTS: Microplitis pallidipes searched for and deposited eggs in more healthy larvae than virus-infected larvae 3 days after viral infection. Each female parasitoid that developed in a virus-infected host oviposited in a virus-infected host, or emerged from a cocoon carrying virus transmitted to 4.0, 7.6 or 2.4 healthy larvae respectively. Each female parasitoid exposed to a mixture of virus and 10% honey water solution transmitted the virus to 2.2 healthy larvae. In an experiment with cabbage growing in commercial greenhouses, the pest population reduction was greater by M. pallidipes carrying SeNPV (82.3-89.7% reduction) than by parasitoids without virus (59.5-62.4% reduction). CONCLUSIONS: Control of S. exigua was greater with M. pallidipes plus SeNPV than with M. pallidipes alone. Microplitis pallidipes preferred Wealthy hosts to infected hosts. Parasitoids were able to complete their development in virus-infected hosts before the hosts died from the virus infection. The parasitoid ovipositors contaminated with the virus could carry and transmit SeNPV.

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[1]The impact of co-infection by a nucleopolyhedrovirus and the endoparasitoid Microplitis pallidipes Szepligeti on the protective enzymes in hemolymph of Spodoptera exigua. Wan, Nian-Feng,Ji, Xiang-Yun,Yin, Yang-Yi,Zhang, Hao,Jiang, Jie-Xian.

[2]Prophenoloxidase encoding genes in Spodoptera exigua: molecular cloning and immune response to the challenge of nucleopolyhedrovirus and/or Microplitis pallidipes. Zhang, Hao,Ji, Xiang-Yun,Wan, Nian-Feng,Jiang, Jie-Xian.

[3]Effect of host plants on the infectivity of nucleopolyhedrovirus to Spodoptera exigua larvae. Wan, N. -F.,Li, B.,Wan, N. -F.,Jiang, J. -X..

[4]Effect of nucleopolyhedrovirus infection of Spodoptera litura larvae on host discrimination by Microplitis pallidipes. Jiang, Jie-Xian,Bao, Yang-Bing,Ji, Xiang-Yun,Wan, Nian-Feng. 2014

[5]Experimental temperature elevation promotes the cooperative ability of two natural enemies in the control of insect herbivores. Jiang, Jie-Xian,Yang, Jun-Hua,Ji, Xiang-Yun,Zhang, Hao,Wan, Nian-Feng,Wan, Nian-Feng. 2018

[6]The effect of nucleopolyhedrovirus infection and/or parasitism by Microplitis pallidipes on hemolymph proteins, sugars, and lipids in Spodoptera exigua larvae. Jiang, Jie-Xian,Ji, Xiang-Yun,Yin, Yang-Yi,Wan, Nian-Feng.

[7]The effect of oviposition experience of adult Microplitis pallidipes parasitoids on discrimination between nucleopolyhedrovirus-infected and healthy Spodoptera litura larvae. Jiang, Jie-Xian,Ji, Xiang-Yun,Bao, Yang-Bing,Wan, Nian-Feng.

[8]The impact of co-infection by a nucleopolyhedrovirus and the endoparasitoid Microplitis pallidipes on the total hemocyte count and composition in larval beet armyworm, Spodoptera exigua. Wan, Nian-Feng,Ji, Xiang-Yun,Yin, Yang-Yi,Jiang, Jie-Xian.

[9]Nucleopolyhedrovirus infection and/or parasitism by Microplitis pallidipes Szepligeti affect hemocyte apoptosis of Spodoptera exigua (Hubner) larvae. Wan, Nian-Feng,Ji, Xiang-Yun,Zhang, Hao,Yang, Jun-Hua,Jiang, Jie-Xian.

[10]Nucleopolyhedrovirus infection and/or parasitism by Microplitis pallidipes affected haemolymph titre of 20-hydroxyecdysone in Spodoptera exigua larvae. Ji, X. -Y.,Wan, N. -F.,Liu, J.,Jiang, J. -X..

[11]Enhancement of attraction to sex pheromones of Spodoptera exigua by volatile compounds produced by host plants. Deng, JY,Wei, HY,Huang, YP,Du, JW. 2004

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