广西师范大学学报(自然科学版) ›› 2012, Vol. 30 ›› Issue (1): 83-88.

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猫儿山常绿和落叶阔叶树抗性生理生化指标的比较

宜丽娜1, 白坤栋2, 李明霞1, 石贵玉1   

  1. 1.广西师范大学生命科学学院,广西桂林541004;
    2.中国林业科学研究院林业新技术研究所,北京100091
  • 收稿日期:2011-09-06 出版日期:2012-01-20 发布日期:2018-12-03
  • 通讯作者: 石贵玉(1953—),男,广西百色人,广西师范大学教授。E-mail:glshigy@163.com
  • 基金资助:
    中央级公益性科研院所基本科研业务专项资金资助项目(CAFINT2009C08);广西教育厅项目(201010LX-067)

Comparison of Physiology and Biochemical Index of Some EvergreenandDeciduous Broad-leaved Species in Mao'er Mountain,Guangxi,China

YI Li-na1, BAI Kun-dong2, LI Ming-xia1, SHI Gui-yu1   

  1. 1.College of Life Science,Guangxi Normal University,Guilin Guangxi 541004,China;
    2.Research Institute of Forestry New Technology,Chinese Academy of Forestry,Beijing 100091,China
  • Received:2011-09-06 Online:2012-01-20 Published:2018-12-03

摘要: 2010年5月初,测定了广西猫儿山2种常绿阔叶树和2种落叶阔叶树的抗氧化酶活性和其他一些生理指标,结果表明,2种常绿树和2种落叶树在这些生理指标上存在着一定的差异,这在一定程度上反映出常绿树和落叶树的不同抗逆性生理机制。落叶树叶片内,SOD、CAT活性、可溶性糖含量和Pro含量的测定结果基本上都高于常绿树,初步认为落叶树的抗逆性高于常绿树;而落叶树叶片内POD活性比常绿树的低,可能与常绿树叶片木质化较高有关;MDA含量高可能与落叶树受光强而常绿树受光弱有关。

关键词: 广西猫儿山, 常绿阔叶树, 落叶阔叶树, 抗氧化保护系统, 抗逆性

Abstract: The studies was conducted in beginning of May,2010.The activity of antioxidant enzymes and some variations in physiological indexes were studied.The studies were about two evergreen broad-leaved species and two deciduous broad-leaved species in Mao'er Mountain,Guangxi.The results showed that there are some physiological differences between two evergreen broad-leaved species and two deciduous broad-leaved species.These differences could indicatethe different physiological mechamism of evergreen broad-leaved species and deciduous broad-leaved species resistant.The result showed that the deciduous broad-leaved species have higher activity of SOD,CAT and more content of Pro and soluble sugar at the same stage compared with evergreen broad-leaved species.Thepreliminary study suggests that the deciduous broad-leaved species have higheradversity-resistant than the evergreen broad-leaved species;while the deciduous broad-leaved species have lower activity of POD,which was possibly related tothe leaves' harder lignification of evergreen broad-leaved species.The content of MDA may be related to the light intensity.

Key words: Mao&apos, er Mountain,Guangxi, evergreen broadleaved species, deciduous broadleaved species, antioxidant protection system, resistant

中图分类号: 

  • Q945.79
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