<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper analyses biometrical and anatomical traits of wood in a leaning stem of pine trees. For study purpose, five pine trees (<italic>Pinus sylvestris</italic> L.) with a visibly leaning stem were chosen. Wood samples were taken at three different stem heights, that is, below the stem curvature, at the curvature and above the curvature. Microscopic specimens were prepared and used for the following measurements: annual rings width, tracheids diameter and tracheids wall thickness. The measurements were performed for wood located on the lower side of the leaning stem and on the opposite side. Cytochemical staining was performed to identify the occurrence of laricinan. The results showed tracheids with a rounded shape and thick cell walls, helical cavities and intercellular spaces in wood located at curvature height on the lower side of the leaning stem. These traits indicate a severe compression wood that allowed pine trees to change their stem position in relation to the vector of gravity.</p></abstract>

The paper analyses biometrical and anatomical traits of wood in a leaning stem of pine trees. For study purpose, five pine trees (Pinus sylvestris L.) with a visibly leaning stem were chosen. Wood samples were taken at three different stem heights, that is, below the stem curvature, at the curvature and above the curvature. Microscopic specimens were prepared and used for the following measurements: annual rings width, tracheids diameter and tracheids wall thickness. The measurements were performed for wood located on the lower side of the leaning stem and on the opposite side. Cytochemical staining was performed to identify the occurrence of laricinan. The results showed tracheids with a rounded shape and thick cell walls, helical cavities and intercellular spaces in wood located at curvature height on the lower side of the leaning stem. These traits indicate a severe compression wood that allowed pine trees to change their stem position in relation to the vector of gravity.

Peculiar traits of wood in a leaning stem of Scots pine (<italic>Pinus sylvestris</italic> L.)

Warsaw University of Life Sciences – SGGW

Faculty of Forestry, Department of Forest Botany

Folia Forestalia Polonica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Peculiar traits of wood in a leaning stem of Scots pine ( L.)

The paper analyses biometrical and anatomical traits of wood in a leaning stem of pine trees. For study purpose, five pine trees (Pinus sylvestris L.) with a...

Peculiar traits of wood in a leaning stem of Scots pine (Pinus sylvestris L.)

Published Online: Oct 07, 2017

Page range: 175 - 179

Received: Feb 01, 2017

Accepted: Jul 20, 2017

DOI: https://doi.org/10.1515/ffp-2017-0018

Keywords
pine tree, tracheids, compression wood, normal wood, laricinan, helical cavities

© 2017 Aleksandra Jasińska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Peculiar traits of wood in a leaning stem of Scots pine (Pinus sylvestris L.)

Published Online: Oct 07, 2017

Page range: 175 - 179

Received: Feb 01, 2017

Accepted: Jul 20, 2017

DOI: https://doi.org/10.1515/ffp-2017-0018

Keywordspine tree, tracheids, compression wood, normal wood, laricinan, helical cavities

© 2017 Aleksandra Jasińska et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
pine tree, tracheids, compression wood, normal wood, laricinan, helical cavities