首页 | 本刊简介 | 编委会 | 投稿征稿 | 期刊订阅 | 下载中心 | English
 
   
  论文快速检索

请输入关键词

 

 

   
  信息公告
海外撷英栏目开通,欢迎投稿

热带亚热带植物学报网络开通

访问总次数
14367209
今日访问
94
当前在线
0人
 
引用本文:
【打印本页】   【HTML】   【下载PDF全文】   查看/发表评论  【EndNote】   【RefMan】   【BibTex】
←前一篇|后一篇→ 过刊浏览    高级检索
本文已被:浏览 929次   下载 1215 本文二维码信息
码上扫一扫!
分享到: 微信 更多
锐药竹种子苗光合生理生态特性分析
张韫,张国武,冯云,廉超,夏念和,郭起荣
国际竹藤中心,国家林业局桉树中心,国际竹藤中心,国际竹藤中心,中国科学院华南植物园,国际竹藤中心
摘要:  为了解引自埃塞俄比亚的锐药竹(Oxytenanthera abyssinica)幼苗的生长情况,对2年生竹株的光合生理生态特性进行了研究。结果表明,锐药竹的Chl a/b接近2.3∶1,Chl b含量偏高,说明具有一定的耐阴性。当光照强度为800~1600 μmol m-2s-1时,未出现光抑制现象,表明其对光照具有较强的适应性。锐药竹的表型性状与生理生态性状间存在较好的相关性。根据主成分分析,确认Chl b、ФPSⅡ、Chl a、Fo为其主成分因子,累计方差贡献率达86.89%。根据种质聚类分析,可划分为4个类型。因此,锐药竹实生苗单株在表型、生理生态性状上存在较大差异,具有遗传保育的形态、生理基础。
关键词:  锐药竹  生理生态  表型  主成分分析  聚类分析
DOI:10.11926/jtsb.3694
分类号:
基金项目:“948”非洲先进农业科技引进项目(2012-4-48)资助
Research on Photosynthetic Eco-physiological Characteristics of Oxytenanthera abyssinica Seedlings
ZHANG Yun,ZHANG Guo-wu,FENG Yun,LIAN Chao,XIA Nia-He and GUO Qi-rong
International Center for Bamboo and Rattan,SFA Key Laboratory of Bamboo and Rattan Science and Technology,China Eucalypt Research Centre,State Forestry Administration,International Center for Bamboo and Rattan,SFA Key Laboratory of Bamboo and Rattan Science and Technology,International Center for Bamboo and Rattan,SFA Key Laboratory of Bamboo and Rattan Science and Technology,South China Botanical Garden,Chinese Academy of Sciences,International Center for Bamboo and Rattan,SFA Key Laboratory of Bamboo and Rattan Science and Technology
Abstract:  In order to understand the growth of Oxytenanthera abyssinica introduced from Ethiopia in Africa, the photosynthetic physiolgical ecology characters of two-year-old seedlings planted in Zhanjiang, Guangdong Province, China were studied. The results showed that the Chl a/b value was about 2.3∶1, the high Chl b content indicated that O. abyssinica had a certain tolerance of shade. When the light intensity ranged from 800 to 1600 μmol m-2s-1, the photo-inhibition of O. abyssinica was not appeared, showing strong light adaptability. There were good correlation between phenotypic traits and eco-physiological traits. According principal compenent analysis, the four factors, such as Chl b, ФPSⅡ, Chl a and Fo, were principal components, their accumulated variance contribution rate was up to 86.89%. The all seedlings were divided into four types by the cluster analysis. Therefore, there were significant differences in phenotypic and eco-physiological characters among O. abyssinica individuals, which would be provided with morphology and physiological basis in genetic breeding.
Key words:  Oxytenanthera abyssinica  Eco-physiology  Phenotype  Principal component analysis  Cluster analysis

Copyright 2007 版权所有 中国科学院华南植物园《热带亚热带植物学报》编辑部
地址: 广州市天河区兴科路723号 中国科学院华南植物园 《热带亚热带植物学报》编辑部 邮编:510650 电话: 86 (0)20-3725 2514  传真:86 (0)20-3725 2642 E-mail: jtsb@scib.ac.cn
本系统由北京勤云科技发展有限公司设计
京ICP备09084417号-2