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Spiral Growth in Cudrania Tricuspidata Caused by Liana Entwinement

Spiral Growth in Cudrania Tricuspidata Caused by Liana Entwinement The anatomy of Cudrania tricuspidata stemwood that grew spirally due to liana entwinement has been examined. In the first three years after entwinement by the liana (Pueraria thunbergiana) annual radial growth of the stemwood increased by 1.2 to 5.0 times . Thereafter the radial increment declined markedly as the liana continued to develop, producing abnormal growth in the tree stem. The wood of the liana-affected stem showed distinct differences in both cell orientation and anatomical characteristics compared with normal wood. In the first three year s after entwinement, the vessels became inclined to the stem axis. In later growth all the axial cells contributed to spiral grain angles up to 30° to the stem axis. Dimensions of vessels and fibres were also found to be affected. Physiological aspects of severe liana entwinement on the wood anatomy of the host stem are discussed. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png IAWA Journal Brill

Spiral Growth in Cudrania Tricuspidata Caused by Liana Entwinement

IAWA Journal , Volume 17 (2): 7 – Jan 1, 1996

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0928-1541
eISSN
2294-1932
DOI
10.1163/22941932-90001442
Publisher site
See Article on Publisher Site

Abstract

The anatomy of Cudrania tricuspidata stemwood that grew spirally due to liana entwinement has been examined. In the first three years after entwinement by the liana (Pueraria thunbergiana) annual radial growth of the stemwood increased by 1.2 to 5.0 times . Thereafter the radial increment declined markedly as the liana continued to develop, producing abnormal growth in the tree stem. The wood of the liana-affected stem showed distinct differences in both cell orientation and anatomical characteristics compared with normal wood. In the first three year s after entwinement, the vessels became inclined to the stem axis. In later growth all the axial cells contributed to spiral grain angles up to 30° to the stem axis. Dimensions of vessels and fibres were also found to be affected. Physiological aspects of severe liana entwinement on the wood anatomy of the host stem are discussed.

Journal

IAWA JournalBrill

Published: Jan 1, 1996

Keywords: Cudrania tricuspidata ; liana; Pueraria thunbergiana ; radial growth; spirally grown stemwood; abnormal growth; spiral grain

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