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不同初植密度对巨桉木材纤维形态的影响
引用本文:闭梅松,邱坚,姜远标.不同初植密度对巨桉木材纤维形态的影响[J].桉树科技,2008(1):7-10.
作者姓名:闭梅松  邱坚  姜远标
作者单位:西南林学院木质科学与装饰工程学院,云南,昆明,650224 西南林学院木质科学与装饰工程学院,云南,昆明,650224 普洱市林业科学研究所,云南,普洱,665100
基金项目:云南省自然科学基金重点项目(2006C007Z); 云南省中青年学术带头人后备人才项目(2006PY01-19)联合资助部分研究内容
摘    要:对不同初植密度(2.0m×4.0m、3.0m×3.0m、3.0m×4.0m)20年生巨桉胸径处外缘材纤维形态特征(纤维长度、宽度、壁厚、腔径、长宽比和壁腔比)进行测定和分析,旨在为定向培育巨桉人工林提供基础数据。研究结果表明:随初植密度的增大,纤维长度、宽度、壁厚、腔径先增大后减小,以3.0m×3.0m的最大;纤维长宽比和壁腔比先减小后增大,3.0m×4.0m的纤维长宽比和壁腔比最大。本研究认为3.0m×3.0m的纤维形态特征为最好。

关 键 词:巨桉人工林  初植密度  纤维形态

Effects of Planting Density on Fiber Configuration of Eucalyptus grandis
Institution:BI Mei-song; QIU Jian; JIANG Yuan-biao (1. Faculty of Wood Science and Decoration Engineering, Southwest Forestry College, Kunming 650224, Yunnan,China; 2. Forestry Science Institute of Pu'er City, Pu'er 665100, Yunnan, China)
Abstract:The determination and analysis of the fiber morphology of E.grandis marginal wood in diameter at breast high about 20-year-old in different planting density (2.0 m×4.0 m,3.0 m×3.0 m,3.0 m×4.0 m)were performed to make a reference to plantation orientation of E.grandis. The results showed: the fiber length, width, thickness and lumen diameter increased first and then decreased with the planting density increase, 3.0 m × 3.0 m planting density had the best values. The ratio of length to width and the ratio of cell-wall thickness to lumen diameter decreased first and then increased. The ratio of length to width and the ratio of cell-wall thickness to lumen diameter in planting density of 3.0 m × 4.0 m were larger than in the others. This study concluded that 3.0 m×3.0 m was the best planting density for the fiber morphology.
Keywords:plantation of E  grandis  planting density  fiber morphology
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