Journal of Guangxi Normal University(Natural Science Edition) ›› 2012, Vol. 30 ›› Issue (4): 98-103.

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Comparison Study on Several Stress Resistance Indexes in Plant under Different Calcium Contents Environment

HUANG Fen1,2, ZHU Min-jie1,3, LU Qian1,2, CAO Jian-hua1,2   

  1. 1.Institute of Karst Geology,Chinese Academy of Geological Sciences,Key Laboratory of Karst Dynamics, Ministry of Land and Resources,Guilin Guangxi 541004,China;
    2.International Research Center on Karst under the Auspices of UNESCO,Guilin Guangxi 541004,China;
    3.College of Life Sciences,Guangxi Normal University, Guilin Guangxi 541004,China
  • Received:2012-06-05 Published:2018-11-27

Abstract: :6 different calciphiles only grew on limestone soil in the karst area,7 different calcifuges only grew on red-yellow soil in the non-karst area and 7different intermediacies grew on both two kinds of soil were collected in Maolan,Guizhou.The total calcium contents of rhizosphere soil,several stress resistance indexes in the plant leaves were analyzed.The results showed that:(1) Thetotal calcium contents of calciphiles rhizosphere soil,contents of Pro,POD andSOD activities were 32.44—43.98 g/kg,97.53—183.62 μg/g、6.21—8.43 μKat and 1.47—2.48 μKat respectively,which were slightly higher than that of intermediacies and either one or two orders of magnitude higher than that of calcifuges;(2)most of calciphiles stabilize penetrability of cell membrane through increasing contents of Pro,POD and SOD activities.So,it could retain high contents of calcium out of cell protoplasm.Intermediacies reduced calcium contents through controlling either root absorbing or migration from subsurface to surfaceof calcium mostly.

Key words: stress resistance indexes, high calcium contents environment, plant leaves, Maolan Karst Forest Natural Reserve

CLC Number: 

  • P595
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