Quantitative trait dissection analysis in Eucalytus using RAPD markers: 2. Linkage disequilibrium in a factorial design between E. urophylle and E. Grandis.

Abstract : .4 13 x 13 factorial design between E. rlr.opllj,llu and E. grmclis, comprising 87 full-sib families, was used to assess the relationships between RAPD marker frequency classes obtained from parental genotypes and the interspecific additive mean (IAM) of the hybrid progeny. For any markcr showing a significant association, the cumulative number of the " present band " allele in the parents was significantly correlated either positively or negatively, with the IAM of the traits studied: i.e. volume, stem taper and wood quality. We discuss the potential origin of such correlations in terms of linkage disequilibrium between QTL allele and marker allele. We also examine the possible use of such information, firstly in order to select the parents for further generations of breeding, and secondly in ordcr to choose thc hybrid families in which QTAs of specific value could be detected and uscd to identify the best trees to be vegetatively propagated for the production of clonal variety.
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Forest genetics, 1998, 5 (1), pp.61-69
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Daniel Verhaegen, Christophe Plomion, Mireille Poitel, Paulo Costa, Antoine Kremer. Quantitative trait dissection analysis in Eucalytus using RAPD markers: 2. Linkage disequilibrium in a factorial design between E. urophylle and E. Grandis.. Forest genetics, 1998, 5 (1), pp.61-69. 〈cirad-00845393〉

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