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2013 (Vol. 5, Issue: 05)
Article Information:

Responses of Microorganism in the Rhizosphere of Winter Wheat Seedlings to a Low Concentration of Lead

Xia Jia, Suiming Dong and Chunjuan Zhou
Corresponding Author:  Xia Ji 

Key words:  Low concentration of lead, rhizosphere microorganism, winter wheat seedlings, , , ,
Vol. 5 , (05): 633-639
Submitted Accepted Published
January 09, 2013 January 31, 2013 May 05, 2013
Abstract:

Pot experiments were conducted to investigate the effect of a low concentration of lead (<300 mg/kg, soil pH = 8.45) on the rhizosphere microbial community of winter wheat seedlings. The ability of the microorganisms to utilize carbon sources was notably altered and a principal component analysis also showed that the microbial functional diversity was significantly affected by a low concentration of lead. The number of fungi decreased significantly (p<0.01) under the stress of a low concentration of lead. The fungal/bacterial population ratio decreased markedly with the increase of lead during three growth stages. Our results would be helpful for future proposals and concerning decisions of environmental quality standards for soils with regard to lead thresholds for agricultural land.
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  Cite this Reference:
Xia Jia, Suiming Dong and Chunjuan Zhou , 2013. Responses of Microorganism in the Rhizosphere of Winter Wheat Seedlings to a Low Concentration of Lead.  Advance Journal of Food Science and Technology, 5(05): 633-639.
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ISSN (Online):  2042-4876
ISSN (Print):   2042-4868
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