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转Cry1Ab/Ac基因水稻对稻田底栖动物群落的生态安全性

引用本文：桂芳艳,刘雨芳,莫书银,孙丽川,刘文海,戈峰.转Cry1Ab/Ac基因水稻对稻田底栖动物群落的生态安全性.植物保护学报,2015,42(5):715-723

DOI：10.13802/j.cnki.zwbhxb.2015.05.004

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作者	单位	E-mail
桂芳艳	湖南科技大学生命科学学院, 园艺作物病虫治理湖南省重点实验室, 湘潭 411201
刘雨芳	湖南科技大学生命科学学院, 园艺作物病虫治理湖南省重点实验室, 湘潭 411201	yfliu2011@126.com
莫书银	湖南科技大学生命科学学院, 园艺作物病虫治理湖南省重点实验室, 湘潭 411201
孙丽川	湖南科技大学生命科学学院, 园艺作物病虫治理湖南省重点实验室, 湘潭 411201
刘文海	湖南科技大学生命科学学院, 园艺作物病虫治理湖南省重点实验室, 湘潭 411201
戈峰	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 100101	gef@ioz.ac.cn

中文摘要:为探究转Bt基因抗虫水稻对稻田水生生物的安全性,以转Cry1Ab/Ac基因抗虫水稻华恢1号(HH1) 为材料,其非转基因水稻亲本明恢63(MH63)为对照,以底栖动物群落为指示生物,运用群落学方法研究了湖南湘潭转Bt水稻对稻田底栖动物群落的影响。结果显示,2012年在HH1与MH63稻田中,分别采集到底栖动物37种和38种,二者共有物种31种,群落物种相似度为0.8267,优势种相似度为0.8235;2013年在HH1与MH63稻田中分别采集到底栖动物40种和41种,二者共有物种33种,群落物种相似度为0.8148,优势种相似度为0.9231;2012与2013年在HH1与MH63稻田生境中,物种丰富度、个体数量、群落多样性指数、均匀性指数与优势集中性指数的时间动态趋势一致,且均无显著差异。研究表明,连续2年稻田种植转Cry1Ab/Ac基因抗虫水稻HH1,在群落水平上对湖南湘潭地区稻田底栖动物无显著影响。

中文关键词:Cry1Ab/Ac基因转基因抗虫水稻底栖动物群落生态安全

Ecological safety of transgenic Cry1Ab/Ac rice on zoobenthos community in paddy fields

Author Name	Affiliation	E-mail
Gui Fangyan	Hunan Provincial Key Laboratory for Integrated Management of the Pests and Diseases on Horticultural Crops, College of Life Sciences, Hunan University of Science and Technology, Xiangtan 411201, Hunan Province, China
Liu Yufang	Hunan Provincial Key Laboratory for Integrated Management of the Pests and Diseases on Horticultural Crops, College of Life Sciences, Hunan University of Science and Technology, Xiangtan 411201, Hunan Province, China	yfliu2011@126.com
Mo Shuyin	Hunan Provincial Key Laboratory for Integrated Management of the Pests and Diseases on Horticultural Crops, College of Life Sciences, Hunan University of Science and Technology, Xiangtan 411201, Hunan Province, China
Sun Lichuan	Hunan Provincial Key Laboratory for Integrated Management of the Pests and Diseases on Horticultural Crops, College of Life Sciences, Hunan University of Science and Technology, Xiangtan 411201, Hunan Province, China
Liu Wenhai	Hunan Provincial Key Laboratory for Integrated Management of the Pests and Diseases on Horticultural Crops, College of Life Sciences, Hunan University of Science and Technology, Xiangtan 411201, Hunan Province, China
Ge Feng	State Key Laboratory of Integrated Management of Pest Insects & Rodents, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China	gef@ioz.ac.cn

Abstract:To investigate the ecological safety of transgenic Bt rice on the aquatic organisms in paddy fields, the effects of transgenic Bt rice on zoobenthos community in paddy fields in Xiangtan, Hunan Province were studied by using community methodology. In this study, the transgenic Cry1Ab/Ac rice, Huahui No.1 (HH1 for short) was the Bt rice, while the non-transgenic parental rice Minghui 63 (MH63 for short) was used as control and benthic animal community in paddy fields was used as a bioindicator. The results in 2012 showed that 37 and 38 species of benthic animal were collected in paddy fields of HH1 and MH63 rice, respectively, with 31 species in common. The similarity of all species and that of dominant species in HH1 and MH63 fields was 0.8267 and 0.8235, respectively. In 2013, 40 and 41 species of benthic animal were collected in paddy fields of HH1 and MH63 rice, respectively, with 33 species in common. The similarity of all species and that of dominant species was 0.8148 and 0.9231, respectively. The temporal dynamics of community parameters such as species richness, number of individuals, indexes of diversity, evenness and dominant concentration in HH1 and MH63 habitats in 2012 and 2013 showed the same trends and no significant difference were found. These results indicated that there were no significant adverse effects of transgenic Cry1Ab/Ac rice on benthic animal community.

keywords:Cry1Ab/Ac gene transgenic insect-resistant rice zoobenthos community ecological safety

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