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Radial variation of vessel lumen diameter in relation to stem increment in 30 hardwood species

Radial variation of vessel lumen diameter in relation to stem increment in 30 hardwood species Vessel lumen diameter (VLD) is one of the most important anatomical indicators for demarcating juvenile wood and mature wood in hardwoods. In several species, we previously found that the age at which VLD stabilizes (maturation age) and the age at which the mean annual increment in radial stem growth was maximal were approximately the same. In the current study, we investigated the extent to which this relationship is true for 30 species of hardwoods. We found that two types of relation exist between the maturation age of VLD and radial stem growth, i.e., the type in which the maturation age of VLD was similar to the age at which the current annual increment was maximal (Type-I), and the other type in which the maturation age of VLD was similar to the age at which the mean annual increment was maximal (Type-II). Where more than one species was studied for a given genus, the type was shared. Porosity (ring- or diffuse-porous) is not related with maturation type. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png IAWA Journal Brill

Radial variation of vessel lumen diameter in relation to stem increment in 30 hardwood species

IAWA Journal , Volume 30 (3): 12 – Jan 1, 2009

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Publisher
Brill
Copyright
Copyright © Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0928-1541
eISSN
2294-1932
DOI
10.1163/22941932-90000222
Publisher site
See Article on Publisher Site

Abstract

Vessel lumen diameter (VLD) is one of the most important anatomical indicators for demarcating juvenile wood and mature wood in hardwoods. In several species, we previously found that the age at which VLD stabilizes (maturation age) and the age at which the mean annual increment in radial stem growth was maximal were approximately the same. In the current study, we investigated the extent to which this relationship is true for 30 species of hardwoods. We found that two types of relation exist between the maturation age of VLD and radial stem growth, i.e., the type in which the maturation age of VLD was similar to the age at which the current annual increment was maximal (Type-I), and the other type in which the maturation age of VLD was similar to the age at which the mean annual increment was maximal (Type-II). Where more than one species was studied for a given genus, the type was shared. Porosity (ring- or diffuse-porous) is not related with maturation type.

Journal

IAWA JournalBrill

Published: Jan 1, 2009

Keywords: Juvenile wood; vessel lumen diameter; maturation age; stem increment; hardwoods

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