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翠柏木材管胞特性及结晶度的径向变异分析(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年01期
Page:
87-90
Column:
研究论文
publishdate:
2013-01-15

Article Info:/Info

Title:
Radical variation of wood tracheid character and crystallinity of precious Calocedrus macrolepis
Author(s):
LIAO Shengxi1YANG Zhenyin3*CUI Kai1SUN Qingfeng2SHI Jiangtao2LIU Fangyan1
1.Research Institute of Resource and Insects,Chinese Academy of Forestry, Kunming 650224, China; 2.Material Science and Engineering College, Northeast Forestry University, Harbin 150040, China; 3.Chinese Academy of Forestry, Beijing 100091,China
Keywords:
Calocedrus macrolepis wood tracheid character crystallinity radical variation
Classification number :
S781
DOI:
10.3969/j.issn.1000-2006.2013.01.015
Document Code:
A
Abstract:
To reveal the wood property and forecast early wood quality, the radical variation of wood tracheid length, width and crystallinity in each annual ring of Calocedrus macrolepis Kurz were analyzed,and the correlation ship of crystallinity and tracheid characters was also set up. The results showed that the tracheid length, tracheid width and crystallinity were 1 886-3 370 μm, 7-23 μm, 30.26%-50.12%, respectively. The radical variation tendency of these indexes increased with the growth ring numbers increasing, but which was stable after 20 a growth. So the maturation stage of C. macrolepis was 20-25 a. Correlated analysis of crystallinity and anatomical features indicated that the crystallinity was significantly positive correlation with spring and summer wood tracheid length,spring and summer wood tracheid width,the correlation coefficient were 0.933, 0.991, 0.955 and 0.964, respectively. Based on these, there was a prediction model of the crystallinity and wood tracheid parameters established, the correlation coefficient were 0.95.

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Last Update: 2013-01-15