扬麦5号旗叶光合功能衰退进程中光温逆境下PSⅠ特性的变化

作物学报 ›› 2000, Vol. 26 ›› Issue (06): 783-788.

扬麦5号旗叶光合功能衰退进程中光温逆境下PSⅠ特性的变化

陈国祥;何兵;魏锦城;张荣铣

南京师范大学生命科学学院，江苏南京，　210097

收稿日期:1999-04-30 修回日期:2000-01-14 出版日期:2000-11-12 网络出版日期:2000-11-12
通讯作者: 陈国祥

Changes in Characteristics of PS　Ⅰ from Flag Leaves of Yangmai No. 5 (Triticum aesti　v　um L.) under Light-temperature Stress during Photo-synthetic Functional Decline Process

CHEN Guo-Xiang;HE Bing;WEI Jin-Cheng;ZHANG Rong-Xian

College of Life Science,Nanjing Normal University, Jiangsu, Nanjing, 210097

Received:1999-04-30 Revised:2000-01-14 Published:2000-11-12 Published online:2000-11-12
Contact: CHEN Guo-Xiang

摘要/Abstract

摘要： 本文比较研究了高温强光逆境对扬麦5号小麦旗叶光合功能衰退进程中光合膜PSI组分及电子传递活性的影响。在光合功能的高值持续期， PS　Ⅰ颗粒电子传递活性较高，多肽组分相对稳定；进入光合功能速降期后电子传递活性快速下降， PS　Ⅰ颗粒的 LHC　Ⅰ和作用中心组分均发生不同程度降解。在光合功能的高值持续期，高温

关键词: 光温逆境, 扬麦5号, 光合功能衰退进程, PS　Ⅰ颗粒, 多肽组分, 电子传递活性

Abstract: After full expansion of flag leaf, the photosynthetic functional dec line process was divided into active photosynthetic duration and sharp fall phas e. During the active photosynthetic duration,the PS　Ⅰ particles ma intained high er electron transport activities. The polypeptide components of PS

Key words: Light-temperature stress, Yangmai No.5(Triticum aestivum L.), Photosynthe -tic f unctional decline process, PS　Ⅰ particles, Polypeptide component, Electron transport activity

陈国祥;何兵;魏锦城;张荣铣. 扬麦5号旗叶光合功能衰退进程中光温逆境下PSⅠ特性的变化[J]. 作物学报, 2000, 26(06): 783-788.

CHEN Guo-Xiang;HE Bing;WEI Jin-Cheng;ZHANG Rong-Xian. Changes in Characteristics of PS　Ⅰ from Flag Leaves of Yangmai No. 5 (Triticum aesti　v　um L.) under Light-temperature Stress during Photo-synthetic Functional Decline Process[J]. Acta Agron Sin, 2000, 26(06): 783-788.

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