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| Functional and numerical responses of Cyrtorhinus lividipennis to eggs of Nilaparvata lugens are not affected by genetically modified herbicide-tolerant rice |
| JIANG Xian-bin, HUANG Qian, LING Yan, CHEN Yu-chong, XIAO Guo-ying, HUANG Suo-sheng, WU Bi-qiu, HUANG Feng-kuan, CAI Jian-he, LONG Li-ping |
1、Guangxi Key Laboratory of Rice Genetics and Breeding, Rice Research Institute, Guangxi Academy of Agricultural Sciences,
Nanning 530007, P.R.China
2、Plant Protection Research Institute, Guangxi Academy of Agricultural Sciences, Nanning 530007, P.R.China
3、Guangxi Academy of Agricultural Sciences, Nanning 530007, P.R.China
4、Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, P.R.China |
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摘要 To safely and sustainably utilize genetic breeding techniques for crop production, greater understanding of the potential effects of genetically modified herbicide-tolerant (GMHT) crops on the ecological functions of predators is required. In the laboratory, we examined the functional and numerical responses of Cyrtorhinus lividipennis Reuter to eggs of brown planthopper (BPH), Nilaparvata lugens (Stål), which were reared on GMHT rice Bar68-1; the untransformed parental cultivar, D68; or a BPH-susceptive rice variety, Taichung Native 1. All stages of nymphs and female adult of C. lividipennis, either on GMHT rice or control plants, exhibited typical type II functional responses when fed on BPH eggs; the attacking rate and handling time of C. lividipennis on GMHT rice Bar68-1 was not significantly different from that on D68. The numerical responses of C. lividipennis on GMHT rice or controls fit Beddington’s model; there were no significant differences in the parameters of numerical responses between GMHT rice Bar68-1 and D68. The results indicated that the functional and numerical responses of C. lividipennis to BPH eggs are not affected by GMHT rice Bar68-1.
Abstract To safely and sustainably utilize genetic breeding techniques for crop production, greater understanding of the potential effects of genetically modified herbicide-tolerant (GMHT) crops on the ecological functions of predators is required. In the laboratory, we examined the functional and numerical responses of Cyrtorhinus lividipennis Reuter to eggs of brown planthopper (BPH), Nilaparvata lugens (Stål), which were reared on GMHT rice Bar68-1; the untransformed parental cultivar, D68; or a BPH-susceptive rice variety, Taichung Native 1. All stages of nymphs and female adult of C. lividipennis, either on GMHT rice or control plants, exhibited typical type II functional responses when fed on BPH eggs; the attacking rate and handling time of C. lividipennis on GMHT rice Bar68-1 was not significantly different from that on D68. The numerical responses of C. lividipennis on GMHT rice or controls fit Beddington’s model; there were no significant differences in the parameters of numerical responses between GMHT rice Bar68-1 and D68. The results indicated that the functional and numerical responses of C. lividipennis to BPH eggs are not affected by GMHT rice Bar68-1.
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Received: 15 October 2014
Accepted:
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| Fund: This work was supported by the National Natural Science Foundation of China (31160365 and 31360437), the Special Fund for Agro-Scientific Research in the Public Interest in China (201403031 and 201303017), the Research Funds from Guangxi Academy of Agricultural Sciences, China (2014YP08 and 2014JZ07), the Program for Specially Hired Expert in Guangxi, China and the International Science & Technology Cooperation Program of China (2012DFA31220). |
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Corresponding Authors:
LONG Li-ping, Tel: +86-771-3247012,Fax: +86-771-3246373, E-mail: longlp@sohu.com
E-mail: longlp@sohu.com
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| About author: JIANG Xian-bin, E-mail: jiangxianbin@yahoo.com, Tel: +86-771-3244644; HUANG Qian, E-mail: 87542980@qq.com;These authors contributed equally to this study. |
Cite this article:
JIANG Xian-bin, HUANG Qian, LING Yan, CHEN Yu-chong, XIAO Guo-ying, HUANG Suo-sheng, WU Bi-qiu, HUANG Feng-kuan, CAI Jian-he, LONG Li-ping.
2015.
Functional and numerical responses of Cyrtorhinus lividipennis to eggs of Nilaparvata lugens are not affected by genetically modified herbicide-tolerant rice. Journal of Integrative Agriculture, 14(10): 2019-2026.
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