东方杉的材质研究  

Studies on growth and wood properties of Taxodium mucronatum×Cryptomeria fortunei

作　　者：朱建军[1] 马灵飞[2] 张彦娟[2] 张建军[1] 李秀芬[1] 

机构地区：[1]上海市农业科学院林木果树研究所,上海201106 [2]浙江林学院工程学院,杭州311300

出　　处：《上海农业学报》2008年第4期5-8,共4页Acta Agriculturae Shanghai

基　　金：上海市科委局管项目(04JG05049)资助

摘　　要：对东方杉生长和材质性状的研究结果表明,其木材管胞平均长度为3.1 mm,宽度为35.1μm,基本密度为0.32 g/cm3,平均年轮宽为6.7 mm,晚材率为23.3%,各项指标与其他常见针叶树材相比处于中等水平;幼龄材的形成期约为15年,其速生期在前10年;木材密度在其整个粗生长过程中变化不大,与年轮宽度呈显著负相关关系;东方杉具有速生、材质均匀等优良性状,可以同时用作绿化观赏和用材树种。The research on the growth and wood properties of Taxodium mucronatum × Cryptomeria fortunei showed that its tracheid was averagely 3.1 mm long and 35.1 μm wide,its basic density was 0.32 g/cm3,mean annual ring width 6.7 mm, and percentage of late wood 23.3%. Compared with other coniferous trees, all the indexes of the wood properties were at a middle level. The formation period of juvenile wood was about 15 years, and the first 10 years was a fast growing period. The wood density changed less during the whole radial growth and showed a significant negative correlation with annual ring width. The tree had such characters as fast growing and relatively homogeneous wood quality, so it could be used as both ornamental and timber tree species.

关 键 词：东方杉 材质性状 管胞长度 基本密度 年轮构造 

分 类 号：S791.27[农业科学—林木遗传育种]