摘要
采用光学显微镜(LM)、扫描电子显微镜(SEM)及透射电子显微镜(TEM)研究了花棒(Hedysarum scoparium)的纤维形态、解剖结构及超微结构。结果表明:花棒主要由导管、木纤维、木射线薄壁细胞及少量轴向薄壁细胞组成。花棒属于阔叶木散孔材,木射线单列同型、导管上的纹孔排列方式为互列式。通过与毛白杨、麦草和红松的形态学参数比较研究发现,花棒虽然属于短纤维,纤维平均长度为0.68mm,但是其纤维形态良好。纤维细胞壁的超微结构典型地分为胞间层(ML)、初生壁(P)、次生壁外层(S1)、次生壁中层(S2)及次生壁内层(S3)。
The present study investigated the anatomical features and fibre morphology of Hedysarum scoparium by using light microscopy （LM）, scanning electron microscopy （SEM）, and transmission electron microscopy （TEM）. The results showed that the cells are divided into four types： vessel, fibre, ray parenchyma and axial parenchyma. Hedysarum scoparium belongs to diffuse-porous wood. Rays are exclusively uniserial. Arrangement of intervessel pits is alternate type. Although the mean fibre length of Hedysarum scoparium is 0.68mm, this shrub has quite good fibre morphology compared with China white poplar, wheat straw and red pine. TEM images showed that cell wall of the fibre is typically divided into three layers including the primary wall （P）, the middle lamellar （ML） and the secondary wall （S1, S2 and S3）.
出处
《中国造纸学报》
CAS
CSCD
2006年第2期1-4,共4页
Transactions of China Pulp and Paper
基金
国家自然科学基金重点项目(30430550)
黑龙江省普通高等学校青年学术骨干支持计划项目(1151G061)
关键词
花棒
纤维形态
解剖结构
超微结构
Hedysarum scoparium
fibre morphology
anatomical features
ultrastructure
