| 生草对苹果主要害虫与天敌种群发生的影响 |
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| 引用本文： | 赵雪睛,谌爱东,李向永,赵高慧,龚声信.生草对苹果主要害虫与天敌种群发生的影响[J].中国生物防治,2011,27(4):470-478. |
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| 作者姓名： | 赵雪睛 谌爱东 李向永 赵高慧 龚声信 |
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| 作者单位： | 1. 云南省农业科学院农业环境资源研究所,昆明,650205
2. 昭通市植保植检站,皑通,657000 |
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| 基金项目： | 云南省省院省校科技合作项目(2005YX44) |
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| 摘 要： | 本文研究了间作黑麦草Loliumperenne、白三叶草Trifoliumrepens和紫花苜蓿Medicagosativa对苹果园主要害虫及其天敌昆虫种群发生的影响，结果表明：与清耕果园相比，生草果园的天敌昆虫种类明显增加，增加种类有11种之多；主要天敌昆虫的发生期提前并延长近1个月，天敌丰富度指数高于清耕果园。同时，随着种草年限的延长，对果园主要害虫如苹果绵蚜Eriosomalanigerum、山楂叶螨Tetranychusviennens＆和小绿叶蝉Empoascaflavescens种群抑制效果达到90％UX_L，且发生高峰期不明显，苹果主要害虫得到了有效控制。
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| 关 键 词： | 果园生草 苹果 害虫 天敌昆虫 |
Effect of Cover Crops on Populations of Insect Pests and Natural Enemies in Apple Orchards |
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| ZHAO Xue-qing,CHEN Ai-dong,LI Xiang-yong,ZHAO Gao-hui,GONG Sheng-xin.Effect of Cover Crops on Populations of Insect Pests and Natural Enemies in Apple Orchards[J].Chinese Journal of Biological Control,2011,27(4):470-478. |
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| Authors: | ZHAO Xue-qing CHEN Ai-dong LI Xiang-yong ZHAO Gao-hui GONG Sheng-xin |
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| Institution: | ZHAO Xue-qing1,CHEN Ai-dong1,LI Xiang-yong1,ZHAO Gao-hui2,GONG Sheng-xin2(1.Institute of Agricultural Environment and Resource,Yunnan Academy of Agricultural Science,Kunming 650205,2.Zhaotong City Plant Protection and Quarantine Station,Zhaotong 657000,China) |
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| Abstract: | Effects of cover forages(including Lolium perenne,Trifolium repens and Medicago sativa) on populations of insect pests and natural enemies in apple orchards were investigated in Zhaotong,Yunnan province,during 2004-2005.Results showed that the number of natural enemy species in orchards with cover forages was significantly more than that in the orchards without cover forages.Additionally,in covered orchards,the main natural enemies,including Chrysopa sinica,Coccinella septempunctata and Episyrphus balteatus... |
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| Keywords: | cover crops apple insect pests natural enemy |
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