|Table of Contents|

Biosafety of Roundup Ready Soybean（RRS）Planted in Black Soil Ecosystem(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年02期
Page:
260-265
Research Field:
Publishing date:

Info

Title:
Biosafety of Roundup Ready Soybean（RRS）Planted in Black Soil Ecosystem
Author(s):
L Xiao-bo1; WANG Hong-yan2; LIU Qi1; 3; ZHAO Guang1; LI Xi-chen1; 3; XU Guang-hui2; ZHANG Li-li1; 3; LIU Jia2; LIU Zhao-jun1; LI Ning2; LI Tie1; LEI Bo-jun1
1Institute of Biotechnology，Heilongjiang Academy of Agricultural Sciences，Harbin 150086，Heilongjiang；
2College of Resource and Environment，Northeast Agricultural University，Harbin 150030，Heilongjiang；
3Key Laboratory of Crop and Livestock Molecular Breeding of Heilongjiang，Harbin 150086，Heilongjiang，China
Keywords:
CP4－EPSPS gene;  Transgenic soybean;  Black soil ecosystem;  Diversities of rhziosphere bacteria
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.02.0260
Abstract:
In the three-year field and pot experiments，this study investigates possibility of the CP4－EPSPS gene flow of Roundup Ready Soybean（RRS）in black soil ecosystem，and impacts of RRS on numbers of its rhizosphere microorganisms，N-cycling and some enzymes in soil.According to the field experiments，the CP4－EPSPS gene flow did not happen in natural condition，but under insects(more than 10 insects per square meter) helping to pollen，the floating possibility of this gene was 0.05%，and the floating distance was 0.7 meter.In different soybean growth stages，in rhizosphere soil of RRS，the amount of bacteria，actinomycete，ammonifying bacteria，and nitrifying bacteria showed decreasing tendencies，except no effect on total number of fungus.The bacterial diversity indexes and homogeneous degrees indexes in rhizospheric soil of RRS were lower than that of its parent RRS-S.The difference of ammonification intensity was not significant in RRS and RRS-S rhizosphere soil，and nitrification intensity in RRS was significantly lower than that in RRS-S rhizosphere soil in different growth stages and RRS inhibited activities of catalase and urease.

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Last Update: 2014-10-03