[1]汪贵斌,曹福亮,柳学军,等.不同落羽杉种源木材化学性质的变异[J].南京林业大学学报(自然科学版),2009,33(06):015.[doi:10.3969/j.jssn.1000-2006.2009.06.004]
 WANG Gui bin,CAO Fu liang,LIU Xue jun,et al.A study on chemical properties of wood of bald cypress provenances[J].Journal of Nanjing Forestry University(Natural Science Edition),2009,33(06):015.[doi:10.3969/j.jssn.1000-2006.2009.06.004]
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不同落羽杉种源木材化学性质的变异
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
33
期数:
2009年06期
页码:
015
栏目:
研究论文
出版日期:
2009-11-30

文章信息/Info

Title:
A study on chemical properties of wood of bald cypress provenances
作者:
汪贵斌1曹福亮1柳学军2贾春峰1郝明灼1汪企明3
1.南京林业大学森林资源与环境学院,江苏南京210037;2.国家林业局,北京100714; 3.江苏省林业科学研究院,江苏南京211153
Author(s):
WANG Guibin1 CAO Fuliang1 LIU Xuejun2 JIA Chunfeng1 HAO Mingzhuo1 WANG Qiming3
1.College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China; 2.State Forestry Administration, Beijing 100714, China; 3.Jiangsu Academy of Forestry, Nanjing 211153, China
关键词:
落羽杉种源木材化学性质
Keywords:
Taxodium distichum (L.) Rich. provenance
分类号:
S781
DOI:
10.3969/j.jssn.1000-2006.2009.06.004
文献标志码:
A
摘要:
对16个落羽杉种源的14年生人工林木材化学性质进行了测定,结果表明:(1)16个落羽杉种源木材纤维素相对结晶度、综纤维素含量、木素含量、NaOH抽出物含量和pH等均存在显著差异;(2)16个落羽杉种源木材纤维素相对结晶度在74.43%~61.52%,总平均值为65.87%,总变异系数为5.27%,树干不同高度处木材纤维素相对结晶度含量存在极显著差异。16个种源木材综纤维素含量、木素含量、NaOH抽出物含量和pH等的变异范围分别为62.64%~71.53%、23.98%~29.53%、3.9%~17.9%和5.32%~5.07%,总变异系数分别为3.9%、6.7%、44.8%、1.53%,NaOH抽出物含量变异系数较高。落羽杉树干不同高度处木材综纤维素含量、木素含量、NaOH抽出物含量和pH差异未达显著水平;(3)16个落羽杉种源整体上综纤维素含量高,NaOH抽出物含量和木素含量低,经过进一步筛选后,部分种源可作为优良的纸浆林造林材料进行推广。
Abstract:
The chemical properties of wood of 16 bald cypress (Taxodium distichum (L.) Rich) provenances of 14 years old were determined, and the results were as follows: (1)There were significant difference in wood cellulose crystallinity, holocellulose content, lignin content, NaOH extractives content and pH of wood of 16 bald cypress provenances. (2)The wood cellulose crystallinity of wood of 16 bald cypress provenances was 74.43%—61.52%, and average was 65.87%, and total variation coefficient was 5.27%, and there also existed significant variation in wood cellulose crystallinity of different height of trunk. The variation ranges of holocellulose content, lignin content, NaOH extractives content and pH were 62.64%—71.53%, 23.98%—29.53%, 3.9%—17.9% and 5.32%—5.07% respectively, and variation coefficients were 3.9%, 6.7%, 44.8% and 1.53%respectively, but there wasn’t significant variation in holocellulose content, lignin content, NaOH extractives content and pH of different height of trunk. (3)On the whole, the holocellulose content of wood of 16 baldcypress provenances was higher, but lignin content and NaOH extractives content were lower, and some provenances could be used as forestation material of pulp wood timber after farther choosing.

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备注/Memo

备注/Memo:
收稿日期:2009-02-22修回日期:2009-06-11基金项目:国家林业局“948”创新项目(2003-C04)作者简介:汪贵斌(1970—),副教授,博士,研究方向为森林培育。Email: guibinwang1970@yahoo.com.cn。引文格式:汪贵斌,曹福亮,柳学军,等. 不同落羽杉种源木材化学性质的变异[J]. 南京林业大学学报:自然科学版,2009,33(6):15-19.
更新日期/Last Update: 2009-11-30