Editors-in-Chief:  Weilun Yin, Beijing Forestry University, China Klaus v. Gadow, University of Göttingen, Germany
Volume 13 Issue 1
Dec.  2019
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HAO Jian-qing, ZHANG Li, ZHENG Cai-xia, BAI Xue, LI Wen-hai. Differences in chlorophyll fluorescence parameters and water content in heteromorphic leaves of Populus euphratica from Inner Mongolia, China[J]. Forest Ecosystems, 2011, 13(1): 52-56. DOI: 10.1007/s11632-011-0102-1
Citation: HAO Jian-qing, ZHANG Li, ZHENG Cai-xia, BAI Xue, LI Wen-hai. Differences in chlorophyll fluorescence parameters and water content in heteromorphic leaves of Populus euphratica from Inner Mongolia, China[J]. Forest Ecosystems, 2011, 13(1): 52-56. DOI: 10.1007/s11632-011-0102-1
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Differences in chlorophyll fluorescence parameters and water content in heteromorphic leaves of Populus euphratica from Inner Mongolia, China

  • 1 College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, P. R. China;

  • 2 Shandong Foreign Languages Vocational College, Rizhao 276826, P. R. China

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This study was supported by the National Natural Science Foundation of China (Grant No. 30671655).

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  • Received Date: 14 October 2010
  • Rev Recd Date: 01 December 2010
    Graphical Abstract
    • Abstract
  • We studied three typical heteromorphic leaves of Populus euphratica
     trees growing in the Wuhai region of Inner Mongolia, China, i.e., lanceolate, broad-ovate and dentate broad-ovate leaves and mainly focused on the changes in chlorophyll fluorescence parameters and free water and bound water content. The results show that the values of F
    m
     (maximal fluorescence yield), F
    v
    /F
    m
     (maximum photochemical quantum yield of PSⅡ) and F
    v
    /F
    0
     (potential quantum efficiency of PSⅡ) of lanceolate leaves were the least on young trees, while these parameters were the least on the ovate leaves of old trees. Compared with young trees, the free water content of heteromorphic leaves of old trees increased significantly, i.e., by 78.94% in lanceolate leaves and in the leaves of broad-ovate and dentate broad-ovate by 10.99% and 10.60%, respectively. Correlation analysis showed that free water content is significantly related to F
    v
    /F
    m
     and F
    v
    /F
    0
     in young trees, while the relationship of total water content with F
    v
    /F
    m
     and F
    v
    /F
    0
     is positive in old trees.
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