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当前位置: 首页 > 文章 > 黄河流域棉区转Bt基因棉种植对根际土壤微生物数量及细菌多样性的影响 应用生态学报 2011,22 (1) 114-120
Position: Home > Articles > Effect of plantation of transgenic Bt cotton on the amount of rhizospheric soil microorganism and bacterial diversity in the cotton region of Yellow River basin Chinese Journal of Applied Ecology 2011,22 (1) 114-120

黄河流域棉区转Bt基因棉种植对根际土壤微生物数量及细菌多样性的影响

作  者：
娜日苏;红雨;杨殿林;赵建宁;李刚;娜布其;刘玲
单  位：
内蒙古师范大学生命科学与技术学院;农业部环境保护科研临测所转基因生物生态环境安全监督检验测试中心
关键词：
黄河流域棉区;转Bt基因棉;土壤微生物;细菌多样性
摘  要：
采用传统培养与PCR-DGGE相结合的方法研究了黄河流域棉区4个省份种植的转Bt基因棉在4个生长时期(播种后第30天、第60天、第90天和第120天)的根际土壤微生物数量及细菌多样性.结果表明:同一省份同一生长时期转Bt基因棉根际土壤微生物数量与常规棉相比均无显著差异,其数量主要受不同生长时期影响,而不同省份间主要受地域条件的影响.4个省份转Bt基因棉根际土壤细菌多样性较丰富,同一省份同一生长时期内转Bt基因棉与常规棉根际土壤细菌多样性指数、均匀度和丰富度均无显著差异.不同省份间细菌多样性主要因地域条件而有所不同,但差异较小.
译  名：
Effect of plantation of transgenic Bt cotton on the amount of rhizospheric soil microorganism and bacterial diversity in the cotton region of Yellow River basin
作  者：
NA Ri-su1,2,HONG Yu1,YANG Dian-lin2,ZHAO Jian-ning2,LI Gang2,NA Bu-qi1,2,LIU Ling2,3 (1College of Life Science and Technology,Inner Mongolia Normal University,Hohhot 010022,China; 2Ecological Environment Safety Supervision,Inspection and Testing Center of Genetically Modified Organisms,Agro-Environmental Protection Institute,Ministry of Agriculture,Tianjin 300191,China; 3Ministry of Education Key Laboratory of Grassland Ecosystem,College of Pratacultural,Gansu Agricultural University,Lanzhou 730070,China)
关键词：
cotton region of Yellow River basin; transgenic Bt cotton; soil microorganism; bacterial diversity.
摘  要：
Traditional culture-dependent method and PCR-DGGE were adopted to investigate the amount of microorganism and bacterial diversity in rhizospheric soil of transgenic Bt cotton in four provinces of Yellow River basin at four growth stages,i.e.,30,60,90,and 120 days after sowing. In the same province and at the same growth stage,no significant difference was observed in the amount of microorganism in rhizospheric soils of transgenic and non-transgenic Bt cottons. Within the same province the amount of microorganism was mainly affected by growth stage; while in different provinces,it was greatly affected by regional conditions. In the four provinces,the bacterial diversity in rhizospheric soil of transgenic Bt cotton was abundant; and in the same province and at the same growth stage,there were no significant differences in the Shannon index,evenness,and richness of bacteria in rhizospheric soils of transgenic and non-transgenic Bt cottons. In different provinces,the bacterial diversity in rhizospheric soils was dependent on regional conditions,but the difference was rather small.

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