不同初植密度对巨桉木材纤维形态的影响 |
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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, 0(1): 7-10 |
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作者姓名: | 闭梅松 邱坚 姜远标 |
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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 |
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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 |
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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。
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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 |
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Affiliation: | 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) |
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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. |
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Keywords: | plantation of E.grandis planting density fiber morphology |
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