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园艺学报 ›› 2003, Vol. 30 ›› Issue (03): 314-316.

• 研究报告 • 上一篇    下一篇

树莓光合特性的研究

李六林1;杨佩芳1;田彩芳1; 崔汝光2; 高万敏3   

  1. (1山西农业大学园艺学院,太谷 030801; 2山西省太原市西山公园,太原 030031;3山西运城林业局,运城 044500)
  • 收稿日期:2002-12-11 修回日期:2003-03-04 出版日期:2003-06-25 发布日期:2003-06-25

Studies on Photosynthetic Characteristics of Rubus strigosus Mick.

Li Liulin1 ; Yang Peifang1; Tian Caifang1; Cui Ruguang2; Gao Wanmin3   

  1. (1College of horticulture,Shanxi Agriculture University, Taigu 030801,China; 2Park of Western Mountain,Taiyuan 030031,China; 3Forest Bureau of Yuncheng,Yuncheng 044500,China)
  • Received:2002-12-11 Revised:2003-03-04 Online:2003-06-25 Published:2003-06-25

摘要: 以美国红树莓为试材,对其光合特性进行了研究。结果表明:树莓叶片光合速率日变化呈双
峰曲线,有明显的“午休”现象;光合速率与气孔导度呈显著的正相关,但光合速率变化与气孔导度和胞间CO2浓度的变化并不完全同步;光合速率季节性变化也呈双峰曲线变化;影响光合作用的主导环境因子为光照强度和湿度;光合作用的饱和点和补偿点分别为750 μmol·m-2·S-1 和21.4 μmol·m-2·S-1

关键词: 树莓, 光合, 气孔导度, 细胞间隙CO2浓度

Abstract: Photosynthetic characteristics were carried out with Rubus strigosus Mick.The results indicated:the curve of diumal variation of Rubus strigosus Mick. leaf photosynthesis showed two peaks,appeared ‘Wuxiu’ phenomenon.Pn was positively significantly correlated with Gs,at the same time,the variation of Pn,Gs and Ci was synchronism; the principal environmental factors,which efected Pn,were PFD and RH;the curve of seasonal variation had two peaks; The light compensation point of photosynthesis and light saturation point of Rubus strigosus Mick.1eaves were 750 μmol·m-2·S-1and 21.4 μmol·m-2·S-1, respectively.

Key words: Rubus strigosus Mick., Photosynthesis, Stomata conductance, Intercellular C02 concentration

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