クロロフィル蛍光画像計測法によるハイゴケ (Hypnum plumaeforme) の光合成機能解析 Analysis of Photosynthetic Functions of Hypnum plumaeforme using Chlorophyll Fluorescence Imaging Technique

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Moss plants have been generated much attention as a new greening material in recent years because of their lightweight, ease of maintenance, high tolerance to environmental stresses and high transpiration ability. In order to produce moss plant for greening efficiently, the growing conditions should be controlled to achieve its optimum growth. For the optimum growth, the optimal conditions for photosynthesis must be achieved, hence establishment of the appropriate method to assess the photosynthetic functions of moss plants have been required. In this study, we analyzed the photosynthetic functions of <I>Hypnum plumaeforme</I> Wilson by measuring photosynthetic light response curve using self-developed gas exchange system and capturing chlorophyll fluorescence parameter images using self-produced chlorophyll fluorescence imaging system. As a result, low light compensation point and low respiration rate were observed in the photosynthetic light response curve. The result showed that the characteristics of gas exchange of the <I>Hypnum plumaeforme</I> were acclimated to the low light condition under the plant canopy. Furthermore, heterogeneous distribution of photosynthetic abilities was observed in the chlorophyll fluorescence parameter images. At the tip sites of the individual moss bodies, the activities of photosynthetic electron transport and heat dissipation of excessive light energy were lower than the other sites. These results suggested that the tip sites of<I> Hypnum plumaeforme</I> are relatively less tolerant to high light stress.

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  • Eco-engineering = 生態工学  

    Eco-engineering = 生態工学 19(1), 49-57, 2007-01-31 

    The Society of Eco-Engineering

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各種コード

  • NII論文ID(NAID)
    10018499386
  • NII書誌ID(NCID)
    AA12005685
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13470485
  • NDL 記事登録ID
    8675680
  • NDL 雑誌分類
    ZM33(科学技術--宇宙科学) // ZR1(科学技術--生物学)
  • NDL 請求記号
    Z15-644
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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