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Type: Journal article
Title: Changes in whole-tree water use following live-crown pruning in young plantation-grown Eucalyptus pilularis and Eucalyptus cloeziana
Author: Alcorn, P.
Forrester, D.
Thomas, D.
James, R.
Smith, R.
Nicotra, A.
Bauhus, J.
Citation: Forests, 2013; 4(1):106-121
Publisher: MDPI
Issue Date: 2013
ISSN: 1999-4907
Statement of
Philip J. Alcorn, David I. Forrester, Dane S. Thomas, Ryde James, R. Geoff B. Smith, Adrienne B. Nicotra, and Jürgen Bauhus
Abstract: Pruning of live branches is a management option to enhance wood quality in plantation trees. It may also alter whole-tree water use, but little is known about the extent and duration of changes in transpiration. In this study, sap flow sensors were used to measure transpiration for 14 days prior to, and 75 days following the removal, through pruning, of the lower 50% of the live-crown length of 10–11 m tall four-year old Eucalyptus pilularis Sm. and E. cloeziana F. Muell. trees. Pruning had no effect on stem growth, sapwood water content or radial pattern of sap velocity in either species. Pruning reduced mean daily water use by 39% in E. pilularis and 59% in E. cloeziana during the first eight days after pruning. Thirty six days after pruning there were no longer any significant differences in transpiration rates between pruned and unpruned trees in either species. Our results show that pruning of live branches had only a short-term effect on whole-tree transpiration in these sub-tropical eucalypt species.
Keywords: Defoliation; eucalypt; compensation heat pulse technique; sap flow; sapwood
Rights: © 2013 by the authors; licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (
RMID: 1000007657
DOI: 10.3390/f4010106
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Appears in Collections:Agriculture, Food and Wine publications

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