香合欢木材解剖性质研究  

Anatomical Properties of Albizia odoratissima Wood

作　　者：雷福娟[1] 黄耀恒[1] 王军锋[1] 龙大军[2] 黄腾华[1] Lei Fujuan;Huang Yaoheng;Wang Junfeng;Long Dajun;Huang Tenghua(Guangxi Forestry Research Institute,Guangxi Quality Control of Wood Resources Cultivation Research Center of Engineering Technology,Guangxi Key Laboratory of Superior Timber Trees Resource Cultivation,Nanning,Guangxi 530002,China;Guangxi Eco-Engineering Vocational&Technical College,Liuzhou,Guangxi 545004,China)

机构地区：[1]广西壮族自治区林业科学研究院,广西木材资源培育质量控制工程技术研究中心,广西优良用材林资源培育重点实验室,广西南宁530002 [2]广西生态工程职业技术学院,广西柳州545004

出　　处：《广西林业科学》2023年第6期787-791,共5页Guangxi Forestry Science

基　　金：广西林草种质资源普查与收集(桂林科字[2021]第34号)。

摘　　要：为给香合欢(Albizia odoratissima)木材的利用提供理论参考,以25年生香合欢为研究对象,采用光学显微镜对其主要解剖性质进行分析。结果表明,香合欢木材边材和心材区别明显,边材为黄白至黄褐色,心材为深褐色、巧克力色,常有暗红褐色条纹。木材生长轮明显;散孔材。管孔稍大,分布略均匀,每平方毫米2~4个。导管横切面为圆形及卵圆形;导管分子单穿孔,圆形及卵圆形;穿孔板略平行及略倾斜,管间纹孔式互列。轴向薄壁组织呈环管束状、翼状、稀聚翼状和轮界状;菱形晶体数多。木射线非叠生;每毫米3~6根。单列射线少,多列射线平均宽为27.7μm,平均高为299.0μm,属于稍细和极低射线。香合欢木材构造与格木(Erythrophleum fordii)木材相似。弦切面上倒“V”字或山水状花纹明显,花纹的轮廓线为暗栗褐色;径切面为暗栗褐色条纹。径切面银光纹理不可见,射线斑纹可见。在实际生产中,采用弦切和径切板制作家具板面均美观。In order to provide theoretical reference for utilization of Albizia odoratissima wood,main anatomical characteristics of 25-year-old A.odoratissima wood were analyzed by optical microscope.Results showed that heartwood and sapwood of A.odoratissima wood were significantly different.Sapwood was yellow-white to yel-lowish brown,and heartwood was dark brown and chocolate,and frequently striped with dark reddish-brown.A.odoratissima wood was diffuse-porous wood with visible growth rings,and pores were slightly bigger and evenly dispersed,with 2-4 per square millimeter.Cross section of vessel was round and oval.Vessel elements had single perforations and were round and oval.Perforated plates were parallel and slightly inclined.Intervascular pittings were alternate pittings.Axial parenchyma were vasicentric,aliform,sparse confluent and terminal,and there were numerous rhombic crystals.Wood rays were non-storied with 3-6 rays per millimeter.Among them,there were few single-column rays,and average width of multi-column rays was 27.7μm and average height was 299.0μm.Wood rays were slightly thin and extremely low.Structure of A.odoratissima wood was similar to Erythrophleum fordii wood.Inverted"V"or landscape patterns were obvious in tangential section,and outline of patterns were dark chestnut brown.Color of stripes in radial section was dark chestnut brown.In radial section,silvery texture was not visible,but ray speckle was visible.In actual production,furniture panels making by plain-sawed lumbers and radial-cutting boards were beautiful.

关 键 词：解剖性质 木材纹理图案 香合欢木材 

分 类 号：S781[农业科学—木材科学与技术]