Journal of Guangxi Normal University(Natural Science Edition) ›› 2014, Vol. 32 ›› Issue (3): 116-120.

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Seasonal Changes of Physiological Anti-adversity Index in the Leaves of Eucalyptus

LIANG Shi-chu1,2, SHI Gui-yu2,3, WEI Yu-jing1, LI Ming-xia1   

  1. 1.College of Life Sciences, Guangxi Normal University, Guilin Guangxi 541004,China;
    2.Key Laboratory of Ecology of Rare and Endangered Species and Environmental Protection Guangxi Normal University,Ministry of Education, Guilin Guangxi 541004,China;
    3.Department of Chemistry and Life Science, Baise University, Baise Guangxi 533000, China
  • Received:2014-03-06 Online:2014-09-25 Published:2018-09-25

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Abstract: This research covers the study of the changes of soluble sugar, soluble protein, free proline, MDA and SOD of Eucalyptus leaves in different seasons, taking the one year old GL9 as testing material. The results indicated that the change trend of soluble sugar content of Eucalyptus leaves in four seasons was summer > spring > autumn > winter, the soluble protein content was spring > winter > autumn > summer, and the free proline content was winter >autumn>spring> summer. The imbalance of active oxygen mainly manifested in winter, characterized by MDA, which was significantly higher than that in other seasons, while SOD activities showed lower levels. The seasional change of the three indexs was as follows:MDA content was significantly higher in winter than that in other seasons. There is no significant difference between Spring and Autumn, Summer is the lowest. SOD activity was highest in summer, and there is no significant difference among other seasons.

Key words: Eucalyptus, soluble sugar, soluble protein, free proline, MDA, SOD, seasonal change

CLC Number: 

  • Q945.7
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