Effect of Cry1Ie Bt Maize on Carbon Source Metabolism of Rhizosphere Microorganisms

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Abstract or Summary

With the increase of genetically modified (GM) crops area, their biosafety for soil ecosystems has become a controversial issue. This paper compared the functional diversity of rhizosphere microbial communities between GM Bt maize IE09S034 and its non-GM parental maize Zong31 by Biolog ECO microplate. Results indicated that there was no difference between IE09S034 and Zong31 in the functional diversity of microbial communities in rhizosphere soil. Besides, year and plant growth stage had stronger effect than cultivar. It was concluded that GM maize IE09S034 did not alter the functional diversity of microbial communities in rhizosphere soil.

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