Physiological Response of Leymus chinensis with Different Leaf Colors on Drought Stress

Chan Zhou; Sha Guo; Xue Fei Yan; Zhuo Zhang

doi:10.4028/www.scientific.net/AMR.726-731.425

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 726-731Physiological Response of Leymus chinensis with...

Physiological Response of Leymus chinensis with Different Leaf Colors on Drought Stress

Abstract:

Physiological response abilities of Leymus chinensis with different leaf colors were determinated under drought stress. Soluble sugar content, activity of APX of L. chinensis in five leaf colors all increased along drought stress gradients while MDA content decreased along drought stress gradients. Regression model analysis showed that the relationships between soluble sugar content, MDA content, activity of APX of L. chinensis in five leaf colors and drought stress concentration were significant y=a+bx linear function. Soluble sugar content, the activity of APX increased along leaf color gradients, but MDA content decreased along leaf color gradients. Regression model analysis suggested that the activity of APX, soluble sugar and MDA content and chlorophyll a, chlorophyll b and total chlorophyll contents were significant positive y=ae^bx or y=ax^b functions. Therefore, the results suggested that: drought-tolerant ability of L. chinensis was strongly enhanced with the increase of leaf color. There was significant divergent adaptability to drought among different leaf colors L. chinensis.

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Periodical:

Advanced Materials Research (Volumes 726-731)

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425-428

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.726-731.425

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Online since:

August 2013

Authors:

Chan Zhou, Sha Guo, Xue Fei Yan, Zhuo Zhang

Keywords:

Drought Stress, Leaf Color, Leymus chinensis, Physiological Response

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