摘要
利用LI-6400P和叶绿素测定仪测定在不同CO_(2)浓度影响下南方红豆杉叶片光合速率相关参数和叶片叶绿素含量。结果表明:南方红豆杉叶片净光合速率、蒸腾速率和胞间CO_(2)浓度变化随CO_(2)浓度增加而增大;叶片气孔导度随CO_(2)浓度增加而降低。叶片叶绿素含量在CO_(2)浓度为300×10-6和900×10-6时出现两次峰值,这对改变CO_(2)浓度来优化南方红豆杉培育成效提供一个参考数据。
Li-6400p and chlorophyll meter were used to determine the photosynthetic rate parameters and chlorophyll content of Taxus chinensis Leaves under different CO_(2)concentrations.The results show that:the changes of net photosynthetic rate,transpiration rate and intercellular CO_(2)concentration of Taxus chinensis increased with the increase of CO_(2)concentration;the stomatal conductance of leaves decreased with the increase of CO_(2)concentration.The chlorophyll content of leaves has two peaks when the CO_(2)concentration is 300x10-6 and 900x10-6,which provides a reference data for changing the CO_(2)concentration to optimize the cultivation effect of Taxus chinensis.
作者
张智勇
黄庆丰
ZHANG Zhi-yong;HUANG Qing-feng(Xuancheng Vocational and Technical College,Xuancheng 242000,Aahui,China;College ofForest and Garden,Anhui Agriculture University,Hefei 230036,Aahui,China)
出处
《贵阳学院学报（自然科学版）》
2023年第1期49-52,共4页
Journal of Guiyang University：Natural Sciences
基金
安徽省高校自然科学重点研究项目“宣城市城市绿化树种多样性及群落相似度研究”(项目编号:KJ2016A785)
校级科研振兴计划(项目编号:ZXPY202005)。
