广西林业科学2025，Vol.54Issue(5)：544-549,6.DOI:10.19692/j.issn.1006-1126.20250510
广西6个阔叶树种生长早期木材密度与纤维特性
Wood Densities and Fiber Characteristics at Early Growth Stages of Six Broad-leaved Tree Species in Guangxi
摘要
Abstract
In order to provide reference for broad-leaved tree species selection in southeastern Guangxi,taking 7-year-old to 9-year-old Castanopsis hystrix,Machilus pauhoi,Michelia macclurei,Mytilaria laosensis,Man-glietia glauca and Paulownia fortunei as research materials,growths,wood densities and fiber characteristics at early stages were analyzed.Results showed that average annual growths of tree height,average annual growths of DBH,wood basic densities,fiber lengths,ratios of fiber length to diameter,fiber single-wall thicknesses and ratios of fiber wall thickness to cavity of six tree species were 0.87-1.59 m,1.47-1.83 cm,0.256-0.478 g/cm³,1.09-2.09 mm,30.9-54.1,5.24-9.28µm and 0.53-1.07 respectively.There were significant differences in all indexes among tree species.Wood basic density showed significantly positive correlation with ratio of fiber length to diameter.TOPSIS method was used to comprehensively evaluate six tree species.Scores of M.pauhoi and M.laosensis were higher.M.pauhoi and M.laosensis grew faster and showed better wood characteristics among six tree species,which could be important supplements for existing tree species system of industrial tim-ber forests in Guangxi.关键词
木材密度/纤维特性/生长早期Key words
wood density/fiber characteristic/early growth stage分类
农业科技引用本文复制引用
邓楠楠,宁海,徐慧兰,胡拉,陈虎,杨章旗..广西6个阔叶树种生长早期木材密度与纤维特性[J].广西林业科学,2025,54(5):544-549,6.基金项目
广西科技重大专项(桂科AA24263024-1) （桂科AA24263024-1）
广西自筹经费林业科技项目(2023GXZCLK06) （2023GXZCLK06）
广西林科院研究团队项目(2024RT02) （2024RT02）
广西科技基地和人才专项(桂科AD19254004) （桂科AD19254004）
