池杉木材解剖性质和物理性质及其变异的研究  

The Wood Anatomical and Physical Properties Of Daxodium Ascendens

作　　者：江泽慧[1] 费本华[1] 罗真富 

机构地区：[1]安徽农业大学林学系,南京林业大学木工系

出　　处：《安徽农业大学学报》1994年第S1期8-14,共7页Journal of Anhui Agricultural University

摘　　要：通过对池杉木材解剖性质、物理性质的研究，结果表明：池杉木材管胞长度２．２６６ｍｍ，管胞宽度３５．１３μｍ，单壁厚７．１８μｍ，长宽比６８．５２，壁腔比０．７６７，柔性系数０．４９２，次生壁Ｓ２层微纤丝角１３．０８°，木材基本密度０．３４４４ｇ／ｃｍ３，２０年生平均年轮宽度５．１６ｍｍ，晚材率１０．１１％。自髓心向外，管胞长度、宽度、长度比、柔性系数经向变异呈递增趋势，基本密度开始减小，约１１年后呈上升趋势。池杉可以作为长江中下游滩地和低丘陵地造林优良树种，产出木材可作为造纸原料。The wood anatomical and physical properties of Taxodium ascendens Brangn were reported inthis paper.It’s tracheid length was 2.266mm,tracheid width was 36.13μm,one of cell wall thick-ness was 7.18μm,length-width ratio was 68.52,cell wall-lumina ratio was 0.767,flexible coef-ficient was 0.492,microfibrillar angle within the S2 layer of secondary wall was 13.08°,basic den-sity was 0.344g/cm3.Within 20 years,it’s average year width was 5.16mm,latewood ratio was10.11%.The tracheid length,width,length-width ratio,flexible coefficient of the wood in-creased gradually from pith to bark. The basic density decreased early,then increased slowly after11 years old. It follows that,timber of the species is good materials for paper making.It can be re-forested on beach land along Yangtze River and low hill lands as well.

关 键 词：池杉 木材性质 材性变异 

分 类 号：S781[农业科学—木材科学与技术]