Biologia Plantarum

, Volume 50, Issue 4, pp 737–740 | Cite as

Photosynthetic characteristics and growth of Mosla hangchowensis and M. dianthera under different irradiances

  • J. -X. Liao
  • Y. Ge
  • B. -H. Guan
  • Y. -P. Jiang
  • J. Chang
Brief Communication


The photosynthetic and growth characteristics of Mosla hangchowensis, an endangered species and M. dianthera, a weed, were compared under three irradiances (PPFD) similar to shaded forest understory, forest edge and open land. Both species grown at lower PPFD had lower PPFD-saturated photosynthetic rate (Pmax), saturation PPFD, compensation PPFD, apparent quantum yield, total mass and root/shoot ratio and higher specific leaf area, leaf area ratio and height ratio. At the same PPFD treatment, however, specific leaf area and leaf area ratio of M. hangchowensis were higher than those of M. dianthera, other above parameters were lower than those of M. dianthera. Water use efficiency did not differ between M. hangchowensis and M. dianthera, but it reached its maximum at 70 % of full PPFD. These results suggested the optimum habitat of M. hangchowensis is the forest edge.

Additional key words

apparent quantum yield net photosynthetic rate radiant energy utilization root/shoot ratio water use efficiency 



apparent quantum yield


transpiration rate


leaf area ratio


leaf mass ratio


photosynthetically active radiation


PPFD-saturated photosynthetic rate


net photosynthetic rate


photosynthetic photon flux density


root shoot ratio


specific leaf area


water use efficiency


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Copyright information

© Institute of Experimental Botany, ASCR, Praha 2006

Authors and Affiliations

  • J. -X. Liao
    • 1
    • 2
  • Y. Ge
    • 1
    • 2
  • B. -H. Guan
    • 1
    • 2
  • Y. -P. Jiang
    • 1
    • 2
  • J. Chang
    • 1
    • 2
  1. 1.College of Life Science, the State Key Laboratory of Plant Physiology and BiochemistryZhejiang University, Xixi CampusHangzhouP.R. China
  2. 2.Wuhan Botanical GardenChinese Academy of SciencesWuhanP.R. China

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