| 龟纹瓢虫在棉株上对棉蚜的搜索与捕食行为 |
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| 引用本文： | 朱三荣,高峰,刘向辉,康乐,戈峰. 龟纹瓢虫在棉株上对棉蚜的搜索与捕食行为[J]. 应用生态学报, 2006, 17(2): 261-264 |
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| 作者姓名： | 朱三荣 高峰 刘向辉 康乐 戈峰 |
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| 作者单位： | 1.中国科学院动物研究所农业虫鼠害综合治理研究国家重点实验室,北京 100080；;2.湖南农业大学植物保护学院,长沙 410128 |
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| 摘 要： | 研究了龟纹瓢虫在棉花上对不同密度、不同空间分布、不同来源棉蚜的搜索与捕食行为.结果表明，龟纹瓢虫对棉蚜的搜索活动随棉蚜密度增加而下降；当棉花上有充足的棉蚜时，瓢虫主要搜索和捕食棉花上部的棉蚜，很少捕食棉花中部的棉蚜，极少捕食下部的棉蚜；瓢虫对棉花不同部位上分布的2种不同来源的棉蚜捕食量没有差异;但当棉花上部主要为美9101棉花棉蚜时，瓢虫的搜索活动明显下降.龟纹瓢虫的捕食行为与蚜虫密度和空间分布密切相关.
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| 关 键 词： | 栽植代数 杉木 养分积累 地力衰退 |
| 文章编号： | 1001-9332(2006)02-0261-04 |
| 收稿时间： | 2004-11-16 |
| 修稿时间： | 2005-03-18 |
Behaviors of Propylaea japonica in searching and preying cotton aphid Aphis gossypii in the cotton plant |
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| ZHU Sanrong,GAO Feng,LIU Xianghui,KANG Le,GE Feng. Behaviors of Propylaea japonica in searching and preying cotton aphid Aphis gossypii in the cotton plant[J]. The journal of applied ecology, 2006, 17(2): 261-264 |
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| Authors: | ZHU Sanrong GAO Feng LIU Xianghui KANG Le GE Feng |
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| Affiliation: | 1.State Key Laboratory of Integrated Management of Pest Insects and Rodents,Institute of Zoology,Chinese Academy of Sciences,Beijing 100080,China;2.College of Plant Protection,Hunan Agricultural University,Changsha 410128,China |
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| Abstract: | The study showed that the searching activity of P. japonica on cotton aphid Aphis gossypii decreased gradually with decreasing aphid density. When enough A, gossypii existed, P. japonica had a preferential searching and preying activity on the top of cotton plant. There was no significant difference in the preying activity of P. japonica at different positions of cotton plant, while the searching activity of the ladybird beetle was significantly lower on cotton Mg101 than on cotton Zhongmian 13. The preying behavior of P. japonica was significantly correlated with the density and distribution of A. gossypii, |
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| Keywords: | Propylaea japonica Aphis gossypii Searching behavior Preying behavior. |
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