The effect of varying latewood proportion on the radial distribution of lignin content in a pine stem

被引：11

作者：

Gindl, W ^{[1
]}

机构：

[1] Univ Bodenkultur Wien, Inst Holzforsch, A-1180 Vienna, Austria

来源：

HOLZFORSCHUNG | 2001年 / 55卷 / 05期

关键词：

acetylbromide lignin determination; cell wall thickness; latewood proportion; lignin content; Pinus sylvestris L; UV-microscopy;

D O I：

10.1515/HF.2001.075

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

The radial distribution of lignin content in a pine stem was compared to latewood proportion. With the exception of the innermost juvenile growth rings, a strong negative correlation was found. However, the cell-wall lignin content of low lignin growth rings was equal to that of high-lignin growth rings. Therefore, the difference in lignin content between individual growth rings was solely due to varying ratios of high-lignin compound middle lamella to low-lignin secondary wall in thin- and thick-walled tracheids.

引用

页码：455 / 458

页数：4

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