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Fiber Morphology Properties in Different Positions of the Culm of Three-year-old Bambusa longispiculata Gamble
  
DOI：10.11980/j.issn.0254-508X.2017.06.005
Key Words:Bambusa longispiculata  different positions in culm  fiber morphology  distribution
Fund Project:贵州省高校优秀科技创新人才奖励计划(编号：黔教合KY字［2015］508)；福建省财政厅科研基金资助项目“进口木材特性与鉴别关键技术研究与推广”(编号：K8115004A)；贵州省科技合作计划(编号：黔科合LH字［2015］7751号)。
Author NameAffiliation
李　权1,2 1.凯里学院,贵州凯里，556011；2.福建农林大学材料工程学院,福建福州,350002 
林金国2,* 2.福建农林大学材料工程学院,福建福州,350002 
黄秋月2 2.福建农林大学材料工程学院,福建福州,350002 
巫其荣2 2.福建农林大学材料工程学院,福建福州,350002 
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Abstract:The fiber morphology properties in the different positions of the culm of three-year-old Bambusa longispiculata were analyzed which included fiber length, width, the ratio of length to width, double wall thickness, carity diameter, ratio of wall thickness to cavity diameter. The results showed that the fiber morphology characteristics of three-year-old B. longispiculata changed with different perpendicular positions of the culm. The max fiber length, ratio of length to width, ratio of wall thickness to cavity diameter were found at the 4.5 m above the ground. The max fiber width, double wall thickness and cavity diameter were in the 6.5 m, 0.5 m, 2.5 m above the ground, respectively. The fiber morphology characteristics of three-year-old B. longispiculata also changed with different horizontal positions of the culm: the fiber length and width of outer layer of bamboo culm were the maximum; the ratio of fiber length to width of the inner layer was the maximum, that of outer layer was the minimum; the fiber wall thickness and cavity diameter of outer layer were the maximum; the ratio of fiber wall thickness to cavity diameter of the middle layer was the maximum, that of inner layer was the minimum. Mostly fiber length distributed in the range of 1.0 mm to 3.0 mm, accounting for 85% to 95%.
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