棕榈叶鞘维管束纤维的结构及其生长变化

doi:10.3969/j.issn.1000-2006.2014.01.016

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南京林业大学学报（自然科学版） ›› 2014, Vol. 38 ›› Issue (01): 90-96.doi: 10.3969/j.issn.1000-2006.2014.01.016

棕榈叶鞘维管束纤维的结构及其生长变化

翟胜丞^1,2, 潘彪^1*,堀川祥生²,李大纲¹,伊东隆夫^1,3,杉山淳司²

1. 南京林业大学材料科学与工程学院,江苏南京 210037;
2. 京都大学生存圈研究所,京都府宇治市〒6110011;
3. 独立行政法人国立文化财机构奈良文化财研究所,奈良县奈良市,〒6308577

出版日期:2014-01-15 发布日期:2014-01-15
基金资助:
收稿日期:2012-07-14 修回日期:2013-05-22
基金项目:江苏高校优势学科建设工程资助项目(PAPD)
第一作者:翟胜丞,讲师,博士。*通信作者:潘彪,教授。E-mail: panbiao@163.com。
引文格式:翟胜丞, 潘彪,堀川祥生,等. 棕榈叶鞘维管束纤维的结构及其生长变化[J]. 南京林业大学学报:自然科学版,2014,38(1):90-96.

Structure and development of fibrovascular bundles from leaf sheath of windmill palm

ZHAI Shengcheng^1,2, PAN Biao^1*,HORIKAWA Yoshiki²,LI Dagang¹,ITOH Takao^1,3,SUGIYAMA Junji²

1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China;
2. Research Institute for Sustainable Humanosphere, Kyoto University, 〒6110011,Japan;
3. Nara National Research Institute for Cultural Properties, Nara〒6308577, Japan

Online:2014-01-15 Published:2014-01-15

摘要/Abstract

摘要： 利用光学显微镜、傅里叶变换红外光谱和扫描电镜对棕榈(Trachycarpus fortunei)叶鞘维管束纤维的结构及其生长变化的研究分析表明:(1)宏观上,叶鞘从叶基部至顶部颜色由白色逐渐变为棕褐色,薄壁细胞逐渐失活;(2)叶鞘自叶基部至顶端的木素相对含量逐渐增加,而纤维素和半纤维素相对含量则逐渐减少;(3)棕榈植物维管束纤维表面均被硅石颗粒覆盖,这些硅石颗粒的大量存在,对棕榈的耐腐性或起到一定的积极影响。

Abstract: The examination of leaf sheath with fibrovascular bundles in windmill palm showed that the leaf sheath was developed from a knot part, and changed its color from white to dark brown with parenchyma cells inactivating during maturation. In parallel with the color change of the leaf sheath, a qualitative change of its chemical components was detected by Fourier transform infrared spectroscopic analysis. It revealed that the lignin contents increases relatively with the decrease of cellulose and hemicellulose contents. According to light microscopic and scanning electron microscopic observation, a fibrovascular bundle was surrounded by a large number of silica bodies in a single layer of stegmata cells. The high durability of palm fibrovascular bundles could be related to the presence of silica bodies.

中图分类号:

Q944.66

翟胜丞,潘彪,堀川祥生,等. 棕榈叶鞘维管束纤维的结构及其生长变化[J]. 南京林业大学学报（自然科学版）, 2014, 38(01): 90-96.

ZHAI Shengcheng, PAN Biao,HORIKAWA Yoshiki,LI Dagang,ITOH Takao,SUGIYAMA Junji. Structure and development of fibrovascular bundles from leaf sheath of windmill palm[J].Journal of Nanjing Forestry University (Natural Science Edition), 2014, 38(01): 90-96.DOI: 10.3969/j.issn.1000-2006.2014.01.016.

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棕榈叶鞘维管束纤维的结构及其生长变化

Structure and development of fibrovascular bundles from leaf sheath of windmill palm

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