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世界竹藤通讯  2019, Vol. 17 Issue (2): 7-11     https://doi.org/10.13640/j.cnki.wbr.2019.02.002
  学术园地 本期目录 | 过刊浏览 | 高级检索 |
竹环中维管束分布密度和纤维鞘组织比量纵向变异研究
黎静1,2, 黄汉霄1,2, 石俊利1,2, 何莹1,2, 王汉坤1,2
1. 国际竹藤中心 北京 100102;
2. 国家林业和草原局/北京市共建竹藤科学与技术重点实验室 北京 100102
A Study of Longitudinal Variation of Vascular Bundles Distribution Density and Fiber Sheath Tissue Proportion in Internode of Moso Bamboo
Li Jing1,2, Huang Hanxiao1,2, Shi Junli1,2, He Ying1,2, Wang Hankun1,2
1. Department of Biomaterials, International Center for Bamboo and Rattan, Beijing, 100102, China;
2. NFGA and Beijing Co-built Key Laboratory of Bamboo and Rattan Science & Technology, National Forestry and Grassland Administration, Beijing 100102, China
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摘要 以毛竹为研究对象,研究了毛竹竹环中维管束分布密度和纤维鞘组织比量纵向变异。通过微细砂纸抛光结合高清扫描的方式获得竹环横切面,采用Image-Pro Plus等图像处理软件采集竹环横切面尺寸及维管束数量、纤维鞘面积等数据,计算竹环中维管束的分布密度、纤维鞘组织比量。结果表明:以微细砂纸抛光结合高清扫描的方式获得的竹环横切面用于维管束数量、面积计算,准确、可行;同一株毛竹,上部竹节间维管束的分布密度和纤维鞘的组织比量大于下部;在同一节间内,维管束的分布密度、纤维鞘的组织比量也随竹环的位置升高而略有增加。毛竹竹环中维管束分布密度和纤维鞘组织比量随高度的增加而增加。
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黎静
黄汉霄
石俊利
何莹
王汉坤
关键词 毛竹维管束分布密度纤维鞘组织比量高度变异    
Abstract:Taking the Moso bamboo (Phyllostachys pubescens) as the research object, the paper studied the longitudinal variation of vascular bundle distribution density and fiber sheath tissue proportion in bamboo internodes. The cross-section of bamboo rings were obtained through fine sandpaper polishing combined with high-definition (HD) scanning method. Image-pro Plus and other image processing software were used to collect the data on cross-section size of bamboo node, the number of vascular bundles, fiber sheath area and the others, to calculate the distribution density of vascular bundles and fiber sheath tissue proportion in bamboo internodes. The results showed that the method of fine sandpaper polishing combined with HD scanning were accurate and feasible for the calculation of the number and area of vascular bundles. The distribution density of internode vascular bundles and the tissue proportion of fiber sheath in upper part of the same culm were larger than those in the lower part. Within the same internode, the distribution density of vascular bundle and the tissue proportion of fiber sheath also increased slightly with the growth of internode. The distribution density of vascular bundle and fiber sheath tissue proportion in the bamboo internodes increased with the height of culm.
Key wordsPhyllostachys pubescens    vascular bundle distribution density    fiber sheath tissue proportion    longitudinal variation
     出版日期: 2019-05-09
基金资助:“十二五”国家科技支撑课题“竹藤种质资源基础数据库的构建”(2015BAD04B03)。
通讯作者: 王汉坤,博士,副研究员,研究方向为生物质材料结构与功能。E-mail:wanghankun@icbr.ac.cn     E-mail: wanghankun@icbr.ac.cn
作者简介: 黎静,研究方向为竹材基础性质与改良。E-mail:lijing@icbr.ac.cn
引用本文:   
黎静, 黄汉霄, 石俊利, 何莹, 王汉坤. 竹环中维管束分布密度和纤维鞘组织比量纵向变异研究[J]. 世界竹藤通讯, 2019, 17(2): 7-11.
Li Jing, Huang Hanxiao, Shi Junli, He Ying, Wang Hankun. A Study of Longitudinal Variation of Vascular Bundles Distribution Density and Fiber Sheath Tissue Proportion in Internode of Moso Bamboo. World Bamboo and Rattan, 2019, 17(2): 7-11.
链接本文:  
http://www.cafwbr.net/CN/10.13640/j.cnki.wbr.2019.02.002      或      http://www.cafwbr.net/CN/Y2019/V17/I2/7
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