Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx

Flowering traits are becoming important breeding objectives in Eucalyptus cladocalyx. Previous studies have confirmed that the trees from Cowell, Australia, respond well for early flowering under the arid conditions in the Southern Atacama Desert, Chile. This selected population was evaluated for fl...

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Autores principales:	Mora,Freddy, Saavedra,Javier
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal 2012
Materias:	Arid environmental conditions Bayesian framework breeding values flowering components
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000100014
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spelling	oai:scielo:S0718-162020120001000142014-11-05Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyxMora,FreddySaavedra,Javier Arid environmental conditions Bayesian framework breeding values flowering components Flowering traits are becoming important breeding objectives in Eucalyptus cladocalyx. Previous studies have confirmed that the trees from Cowell, Australia, respond well for early flowering under the arid conditions in the Southern Atacama Desert, Chile. This selected population was evaluated for flowering intensity at the end of the flowering season of 2009/2010 (February 2010). A Bayesian threshold tree model via Gibbs sampling was used in the data analyses. The model included the genotype-environment interaction (two sites) using a bi-character threshold model. The posterior mean of the genetic correlation between the sites was positive and high (r=0.8) and, according to the 95% credible interval (0.44-0.96), it was significantly different from zero, indicating a non-significant interaction. The intensity of selection should be close to 11% to balance the gain and diversity after the individual tree selection in this breeding population.info:eu-repo/semantics/openAccessPontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería ForestalCiencia e investigación agraria v.39 n.1 20122012-04-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000100014en10.4067/S0718-16202012000100014
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Arid environmental conditions Bayesian framework breeding values flowering components
spellingShingle	Arid environmental conditions Bayesian framework breeding values flowering components Mora,Freddy Saavedra,Javier Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx
description	Flowering traits are becoming important breeding objectives in Eucalyptus cladocalyx. Previous studies have confirmed that the trees from Cowell, Australia, respond well for early flowering under the arid conditions in the Southern Atacama Desert, Chile. This selected population was evaluated for flowering intensity at the end of the flowering season of 2009/2010 (February 2010). A Bayesian threshold tree model via Gibbs sampling was used in the data analyses. The model included the genotype-environment interaction (two sites) using a bi-character threshold model. The posterior mean of the genetic correlation between the sites was positive and high (r=0.8) and, according to the 95% credible interval (0.44-0.96), it was significantly different from zero, indicating a non-significant interaction. The intensity of selection should be close to 11% to balance the gain and diversity after the individual tree selection in this breeding population.
author	Mora,Freddy Saavedra,Javier
author_facet	Mora,Freddy Saavedra,Javier
author_sort	Mora,Freddy
title	Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx
title_short	Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx
title_full	Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx
title_fullStr	Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx
title_full_unstemmed	Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx
title_sort	combining genetic gain and diversity under an individual selection method in a selected provenance of eucalyptus cladocalyx
publisher	Pontificia Universidad Católica de Chile. Facultad de Agronomía e Ingeniería Forestal
publishDate	2012
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-16202012000100014
work_keys_str_mv	AT morafreddy combininggeneticgainanddiversityunderanindividualselectionmethodinaselectedprovenanceofeucalyptuscladocalyx AT saavedrajavier combininggeneticgainanddiversityunderanindividualselectionmethodinaselectedprovenanceofeucalyptuscladocalyx
_version_	1714202137918963712

Combining genetic gain and diversity under an individual selection method in a selected provenance of Eucalyptus cladocalyx

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