Ecological engineering of trap cropping promotes biocontrol services in peach orchard ecosystems
文献类型: 外文期刊
第一作者: Wan, Nian-Feng
作者: Wan, Nian-Feng;Zhang, Yi-Ming;Huang, Kai-Hua;Ji, Xiang-Yun;Jiang, Jie-Xian;Wan, Nian-Feng;Zhang, Yi-Ming;Huang, Kai-Hua;Ji, Xiang-Yun;Jiang, Jie-Xian
作者机构:
关键词: Biocontrol services;Conogethes punctiferalis (Guenee);Ecological engineering;Helianthus annuus;Peach orchard ecosystems;Zea mays
期刊名称:ECOLOGICAL ENGINEERING ( 影响因子:4.035; 五年影响因子:4.611 )
ISSN:
年卷期:
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收录情况: SCI
摘要: We conducted a 2-year field experiment in eastern China examining the effects of two trap crops (sunflower, Helianthus annuus and corn, Zea mays) on the biocontrol services in peach orchard ecosystems. We found that compared to levels in control areas without any trap crops, the abundance of Conogethes punctiferalis population in tree canopies in peach orchards with trap crop sunflowers and with trap crop corns decreased by 39.4 and 47.3% in 2010 and by 48.1 and 57.5% in 2011, respectively. Substantial number of C. punctiferalis population was found in the trap crop samples. In sunflowers we found 23.3 +/- 4.4 per flower head in 2010 and 21.3 +/- 4.0 in 2011. In the corn trap crop, counts of C. punctiferalis population were made per ear and per stalk, there were 96.0 +/- 25.9 individuals per 20 ears in 2010 and 88.9 +/- 23.2 in 2011, and there were 44.2 +/- 7.1 individuals per 20 stalks in 2010 and 40.3 +/- 6.3 in 2011. We conclude that the trap crops can be used to promote biocontrol services in peach orchard ecosystems. (C) 2016 Elsevier B.V. All rights reserved.
分类号: Q14`X171
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