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Intraspecific variation in drought susceptibility in Eucalyptus globulus is linked to differences in leaf vulnerability

Citation

Lucani, CJ and Brodribb, TJ and Jordan, G and Mitchell, PJ, Intraspecific variation in drought susceptibility in Eucalyptus globulus is linked to differences in leaf vulnerability, Functional Plant Biology, 46, (3) pp. 286-293. ISSN 1445-4408 (2018) [Refereed Article]

Copyright Statement

Copyright 2018 CSIRO

DOI: doi:10.1071/FP18077

Abstract

Understanding intraspecific variation in the vulnerability of the xylem to hydraulic failure during drought is critical in predicting the response of forest tree species to climate change. However, few studies have assessed intraspecific variation in this trait, and a likely limitation is the large number of measurements required to generate the standard 'vulnerability curve' used to assess hydraulic failure. Here we explore an alternative approach that requires fewer measurements, and assess within species variation in leaf xylem vulnerability in Eucalyptus globulus Labill., an ecologically and economically important species with known genetic variation in drought tolerance. Using this approach we demonstrate significant phenotypic differences and evidence of plasticity among two provenances with contrasting drought tolerance.

Item Details

Item Type:Refereed Article
Keywords:eucalypt, leaf xylem vulnerability, hydraulic vulnerability, intraspecific variation, Eucalyptus
Research Division:Biological Sciences
Research Group:Plant Biology
Research Field:Plant Physiology
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Biological Sciences
UTAS Author:Lucani, CJ (Mr Christopher Lucani)
UTAS Author:Brodribb, TJ (Professor Tim Brodribb)
UTAS Author:Jordan, G (Associate Professor Greg Jordan)
ID Code:132392
Year Published:2018
Web of Science® Times Cited:1
Deposited By:Plant Science
Deposited On:2019-05-06
Last Modified:2019-08-20
Downloads:0

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