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Genetic variation for growth and wood density in Eucalyptus globulus ssp. globulus in Tasmania (Australia)

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McDonald, AC and Borralho, NMG and Potts, BM (1997) Genetic variation for growth and wood density in Eucalyptus globulus ssp. globulus in Tasmania (Australia). Silvae Genetica, 46 (4). pp. 236-241. ISSN 0037-5349

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Abstract

Genetic parameters for diameter and Pilodyn penetration were estimated for a 5 year-old Eucalyptus globulus ssp. globulus base population established across 5 sites in Tasmania (Australia). The model included race, family plot, incomplete block and family-by-site interaction as random and replicate as fixed effects. Race effects were generally low for diameter and moderate for Pilodyn, with heritabilities across the 5 sites of h(2) = 0.20 and 0.30 respectively. For each trait, correlations between trials were generally high, suggesting that a combined analysis across sites should be appropriate. The genetic correlation between Pilodyn penetration and diameter was moderately unfavourable (averaged 0.25) whereas race correlations were low but favourable (-0.19).

Item Type: Article
Keywords: heritability, genetic correlation, Pilodyn, REML
Journal or Publication Title: Silvae Genetica
Page Range: pp. 236-241
ISSN: 0037-5349
Additional Information: BM Potts. Free online access to the archives of SILVAE GENETICA
Date Deposited: 22 Sep 2008 01:26
Last Modified: 18 Nov 2014 03:49
URI: http://eprints.utas.edu.au/id/eprint/7363
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