Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?

The study material consisted of samples from 270 Picea excelsa and 54 Abies alba trees with variable type of wood grain. No correlation was found between the orientation of the fibrils and the type of grain. In all the samples in which the fibrillar helix formed an angle with the cell axis greater t...

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Main Authors:	W. Pyszyński, Z. Hejnowicz
Format:	Article
Language:	English
Published:	Polish Botanical Society 2015-01-01
Series:	Acta Societatis Botanicorum Poloniae
Online Access:	https://pbsociety.org.pl/journals/index.php/asbp/article/view/5210

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spelling	doaj-7e51280a1e0d4b3e8085c90bc6551ec62020-11-25T03:13:34ZengPolish Botanical SocietyActa Societatis Botanicorum Poloniae2083-94802015-01-01411273810.5586/asbp.1972.0044412Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?W. Pyszyński0Z. Hejnowicz1University of WrocławUniversity of WrocławThe study material consisted of samples from 270 Picea excelsa and 54 Abies alba trees with variable type of wood grain. No correlation was found between the orientation of the fibrils and the type of grain. In all the samples in which the fibrillar helix formed an angle with the cell axis greater than 10° (80% of the total) the helix was of Z type. In the other samples undulations commonly occured in the orientation of fibrils within a cell. These were in the form of local deviations to the left or right of the general trend to develop the Z type of spiral.https://pbsociety.org.pl/journals/index.php/asbp/article/view/5210
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	W. Pyszyński Z. Hejnowicz
spellingShingle	W. Pyszyński Z. Hejnowicz Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree? Acta Societatis Botanicorum Poloniae
author_facet	W. Pyszyński Z. Hejnowicz
author_sort	W. Pyszyński
title	Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?
title_short	Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?
title_full	Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?
title_fullStr	Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?
title_full_unstemmed	Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?
title_sort	is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?
publisher	Polish Botanical Society
series	Acta Societatis Botanicorum Poloniae
issn	2083-9480
publishDate	2015-01-01
description	The study material consisted of samples from 270 Picea excelsa and 54 Abies alba trees with variable type of wood grain. No correlation was found between the orientation of the fibrils and the type of grain. In all the samples in which the fibrillar helix formed an angle with the cell axis greater than 10° (80% of the total) the helix was of Z type. In the other samples undulations commonly occured in the orientation of fibrils within a cell. These were in the form of local deviations to the left or right of the general trend to develop the Z type of spiral.
url	https://pbsociety.org.pl/journals/index.php/asbp/article/view/5210
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Is the orientation of the fibrillar helix in the main layer of cell walls constant or variable within a tree?

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