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不同浓度盐胁迫下闽楠和楠木光合生理研究
引用本文:刘刚,涂铭,朱丽,费永俊. 不同浓度盐胁迫下闽楠和楠木光合生理研究[J]. 湖北林业科技, 2014, 0(6): 9-12
作者姓名:刘刚  涂铭  朱丽  费永俊
作者单位:长江大学楠木种质资源评价及创新中心 荆州 434025
基金项目:湖北省科技支撑计划“湖北珍惜树种楠木种质资源研究与保育”(2013BBB24)。
摘    要:在3种不同盐胁迫条件下,分析了闽楠和楠木的光合生理特性。结果表明:盐胁迫对闽楠和楠木的净光合速率(Pn)、蒸腾速率(Tr)、气孔导度(Gs)、胞间CO2浓度(Ci)和气孔限制值(Ls)均有明显的抑制作用,且同一处理不同树种间的净光合速率(Pn)、蒸腾速率(Tr)、气孔导度(Gs)、胞间CO2浓度(Ci)和气孔限制值(Ls)存在差异;同一树种在不同处理条件下,净光合速率(Pn)、蒸腾速率(Tr)、气孔导度(Gs)、胞间CO2浓度(Ci)和气孔限制值(Ls)也发生明显变化。

关 键 词:闽楠  楠木  盐胁迫  光合特性

Research on Photosynthetic Physiology of Phoebe bournei and Phoebe zhennan on Saline Stress
Liu Gang , Tu Ming , Zhu Li , Fei Yongjun. Research on Photosynthetic Physiology of Phoebe bournei and Phoebe zhennan on Saline Stress[J]. Hubei Forestry Science and Technology, 2014, 0(6): 9-12
Authors:Liu Gang    Tu Ming    Zhu Li    Fei Yongjun
Affiliation:(Phoebe Germplasm Resources Evaluation and Innovation Center, Yangtze Uinivesity Jingzhou 434025)
Abstract:Fewer than three different conditions on saline stress,the photosynthetic physiological characteristics of Phoebe bournei and P.zhennan were analyzed.The net photosynthetic rate,transpiration rate,stomata conductance,intercellular CO2 concentration and stomata limiting value were different between different tree species in the same treatment condition.The net photosynthetic rate,transpiration rate,stomata conductance,intercellular CO2 concentration and stomata limiting value of one tree are also obviously different from that of the same tree in the different treatment conditions.
Keywords:Key words:phoebe bournei  phoebe zhennan  saline stress  photosynthetic characteristics
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