Structure of the speciﬁc combining ability between two species of Eucalyptus. II. A clustering approach and a multiplicative model

C. P. Baril; D. Verhaegen; Ph. Vigneron; J. M. Bouvet; A. Kremer

Structure of the speciﬁc combining ability between two species of Eucalyptus. II. A clustering approach and a multiplicative model

C. P. Baril ¹ D. Verhaegen ¹ Ph. Vigneron ¹ J. M. Bouvet ¹ A. Kremer ²

2 INRA - Institut National de la Recherche Agronomique

Abstract : The Eucalyptus breeding program of URPPI (a partnership between CIRAD-Fore t, Centre National de la Recherche Forestie re du Congo, and Unite dÕAforestation Industrielle du Congo) consists of a re- ciprocal recurrent selection scheme developed in the Congo between the two species Eucalyptus urophylla and Eucalyptus grandis. Two approaches are proposed in order to model and predict the speciÞc combining ability (SCA) between these species. The clustering ap- proach uses a simultaneous clustering procedure of the two species based on SCA and reveals heterotic groups coherent with the geographical origins of E. urophylla genotypes. The second approach uses a multiplicative model to partition the SCA into three multiplicative terms explaining 95% of the interaction

Keywords : Analysis of interaction á Heterosis breeding á Clustering procedure á AMMI model Eucalyptus

Document type :

Journal articles

Domain :

Environmental Sciences / Biodiversity and Ecology

Complete list of metadatas

http://hal.cirad.fr/cirad-00845847
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Submitted on : Thursday, July 18, 2013 - 8:14:56 AM
Last modification on : Friday, March 29, 2019 - 9:11:20 AM
Long-term archiving on : Monday, October 21, 2013 - 9:40:36 AM

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Structure of the speciﬁc combining ability between two species of Eucalyptus. II. A clustering approach and a multiplicative model

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