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园艺学报 ›› 2002, Vol. 29 ›› Issue (4): 313-316.

• 研究论文 • 上一篇    下一篇

阿月浑子叶片光合作用的光抑制研究

路丙社1;白志英1;梁海永2;吴京民1;董 源3   

  1. (1 河北农业大学园林与旅游学院, 保定071000 ; 2 河北农业大学林学院, 保定071000 ; 3 北京林业大学生物学院, 北京100083)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2002-08-25 发布日期:2002-08-25

A Study on Photoinhibition of Photosythesis in Pistachio (Pistacia vera L.)Leaves

Lu Bingshe1, Bai Zhiying1, Liang Haiyong2, Wu Jingmin1, and Dong Yuan3
  

  1. (1 College of Landscape Architecture and Tourism, Hebei Agricultural University, Baoding 071000, China; 2 Forestry College of Hebei Agricultual University, Baoding 071000, China; 3Biological College of Beijing Forestry University, Beijing 100083, China)
  • Received:1900-01-01 Revised:1900-01-01 Online:2002-08-25 Published:2002-08-25

摘要: 中午或模拟中午强光照射后, 阿月浑子叶片表观量子效率(AQY) 、最大荧光(Fm) 、初始荧
光(Fo) 、可变荧光(Fv) 、光化学效率(Fv/ Fm) 、和光化学猝灭系数(qP) 下降, 而非光化学猝灭系数(qN) 升高; 强光处理后, 叶片的净光合速率(Pn) 和光呼吸速率(Pr) 均下降, 但Pr/ Pn 的比值却升高。

关键词: 阿月浑子, 光抑制, 叶绿素荧光, 光呼吸

Abstract: Exposure of Pistacia vera L. plants to natural or imitating midday high irradiance induced lowering of apparent quantum yield (AQY) , Fm (maximal fluorescence) , Fo (minimal initial fluorescence) , Fv (variable fluorescence) , photochemical efficiency of PS Ⅱ (Fv/ Fm) , and photochemical quenching coefficient (qP) , but raising the non-photochemical quenching coefficient (qN) . By high irradiance , both net phtosythetic rate (Pn) and photorespiratory rate (Pr) were decreased , but the ratio of Pr/ Pn was improved.

Key words: Pistachio, Photoinhibition, Chorophyll fluorescence, Photorespiratory

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