白蜡条木材解剖性质及其变异的研究

• 花匠小妙招
• 2025-03-02 08:56

摘要： 通过建立标准地，选择标准木进行树干解析，以及白蜡条木材离析试验，借助电子显微镜和计算机显微图像分析系统，应用定量解剖学方法，从微观角度对白蜡条木材解剖性质及其径向和纵向的变异规律进行了测定和分析。结果表明：白蜡条木材属于环孔材，早材管孔为圆形、椭圆形，轴向薄壁组织量较多，木射线纺锤形、多为同型木射线；白蜡条纤维长度、宽度、胞腔直径、壁厚、壁腔比分别为500~1 428 μm、10~24 μm、7~20 μm、1.4~4.6 μm、0.25~0.58。不同年轮间和树高间，纤维长度、宽度、壁厚、长宽比和壁腔比具有变异性。

Abstract: Chinese ash wood was systematically studied on the anatomical properties and their variation patterns by constituting sample plot, selecting standard sample trees, stemanalysis, timber segregation observation, using electronic microscopic and micrograph analysis system of computer, and approaches of quantitative anatomy were used from a microscopic aspect. The results showed that Chinese ash wood was ringporous wood and had many longitudinal parenchyma, the early wood vessel was round or oval, wood ray was homeotype ray .The fiber length, width, cavity, doublethickness, ratio of wood cell wall thickness to lumen of the radial ground up were 500—1 428 μm，10—24 μm, 7—20 μm, 1.4—4.6 μm, 0.25—0.58. Between growth rings and tree height, the variations of the fiber length, fiber width, fiber doublethickness, ratio of fiber length to width, ratio of wood cell wall thickness were significant.

中图分类号: 

TS653

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