Effects of a microorganism on grass seedling physiological and biochemical characteristics when grown in Cr(Ⅵ) polluted soil

doi:10.11686/cyxb20140423

Abstract

Abstract: Cr (Ⅵ) polluted soil treated with a particular species of microorganism during the growing period was used in pot cultures of seedlings of Festuca arundinacea and Lolium perenne to investigate the effects on physiological and biochemical characteristics of the seedlings in Cr (Ⅵ) polluted soil. Treatment with the microbe during the grass seedling growing period significantly reduced Cr accumulation in the root,but increased it in the leaves. At the same time,the damage to cell membrane permeability and the malondialdehyde (MDA) content as well as the enzyme activities of POD,SOD and CAT were improved. In addition,the microorganism agent reduced Cr (Ⅵ) content in Cr (Ⅵ) polluted soil.Addition of the agent to Cr (Ⅵ) contaminated soil had an improvement effect on the soil.

CLC Number:

S812.2

GAO Hai-ning,MA Guo-tai,LI Cai-xia,CHEN Yong,SONG Tao,ZHANG Yong,JIAO Yang. Effects of a microorganism on grass seedling physiological and biochemical characteristics when grown in Cr(Ⅵ) polluted soil[J]. Acta Prataculturae Sinica, 2014, 23(4): 189-194.

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