| 夜蛾黑卵蜂寄生草地贪夜蛾和斜纹夜蛾卵的生物学特性 |
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| 引用本文： | 霍梁霄#,周金成#,宁素芳,赵 倩,张龙喜,张柱亭,张礼生,董 辉.夜蛾黑卵蜂寄生草地贪夜蛾和斜纹夜蛾卵的生物学特性[J].植物保护,2019,45(5):60-64. |
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| 作者姓名： | 霍梁霄# 周金成# 宁素芳 赵 倩 张龙喜 张柱亭 张礼生 董 辉 |
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| 作者单位： | 1. 沈阳农业大学植物保护学院, 沈阳 110866; 2. 凯里学院, 凯里 556011; 3. 中国农业科学院植物保护研究所, 北京 100193 |
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| 基金项目： | 国家重点研发计划(2017YFD0201000) |
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| 摘 要： | 2019年7月,我们在贵州黔东南地区采集的草地贪夜蛾Spodoptera frugiperda卵块内发现1种卵寄生蜂,经分子鉴定确认为夜蛾黑卵蜂Telenomus remus。为验证该蜂对草地贪夜蛾卵的寄生效能,本研究以草地贪夜蛾卵为主要研究材料,以斜纹夜蛾Spodoptera litura卵为对照,统计了夜蛾黑卵蜂对这两种寄主卵的卵粒寄生率、单卵出蜂数、雄性比和个体大小等指标。结果显示,夜蛾黑卵蜂对草地贪夜蛾卵和斜纹夜蛾卵的卵粒寄生率均可达到95%以上。与斜纹夜蛾卵相比,草地贪夜蛾卵育出的子代蜂个体较大,但单卵出蜂数相对较低。结果说明夜蛾黑卵蜂是草地贪夜蛾潜在的高效生防作用物,斜纹夜蛾卵可以作为替代寄主用于繁育夜蛾黑卵蜂。本研究将为我国利用夜蛾黑卵蜂防治草地贪夜蛾提供重要参考。
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| 关 键 词： | 夜蛾黑卵蜂 草地贪夜蛾 卵寄生蜂 入侵生物 生物防治 |
| 收稿时间： | 2019/8/12 0:00:00 |
| 修稿时间： | 2019/8/17 0:00:00 |
Biological characteristics of Telenomus remus against Spodopterafrugiperda and Spodoptera litura eggs |
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| HUO Liangxiao,ZHOU Jincheng,NING Sufang,ZHAO Qian,ZHANG Longxi,ZHANG Zhuting,ZHANG Lisheng,DONG Hui.Biological characteristics of Telenomus remus against Spodopterafrugiperda and Spodoptera litura eggs[J].Plant Protection,2019,45(5):60-64. |
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| Authors: | HUO Liangxiao ZHOU Jincheng NING Sufang ZHAO Qian ZHANG Longxi ZHANG Zhuting ZHANG Lisheng DONG Hui |
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| Institution: | 1. College of Plant Protection, Shenyang Agricultural University, Shenyang 110866, China; 2. Kaili University, Kaili 556011, China; 3. Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China |
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| Abstract: | In July 2019, we found a species of egg parasitoid wasp emerged from Spodoptera frugiperda eggs collected in southeast of Guizhou province. This parasitoid species was identified by molecular method as Telenomus remuS. To test the parasitic efficacy of T. remus against S. frugiperda and S. litura eggs, we investigated the parasitic rates, offspring number per host eggs, body size, and male ratio of T.remus on S. frugiperda or S. litura eggs. The results showed that the parasitic rates of eggs reached at least 95% regardless of S. frugiperda or S. litura eggs. T. remus offspring emerged from S. frugiperda eggs showed larger body size and lower offspring number per host egg than those emerged from S. litura eggs. Our results revealed that T.remus is a potentially effective biological control agent against S. frugiperda, and S. litura eggs are the potential alternative host for the mass rearing of T.remuS. This study will supply a primary reference for the application of T.remus against S. frugiperda. |
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| Keywords: | Telenomus remus Spodoptera frugiperda egg parasitoids invasive species biological control |
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