QTL analysis of variation for vigour in rose

Publication Overview
TitleQTL analysis of variation for vigour in rose
AuthorsYan Z, Visser PB, Hendriks T, Prins TW, Stam P, Dolstra O
TypeJournal Article
Journal NameEuphytica
CitationYan Z, Visser PB, Hendriks T, Prins TW, Stam P, Dolstra O. QTL analysis of variation for vigour in rose. Euphytica. 2007; 154:53-62.


The improvement of energy efficiency in the greenhouse production of cut rose and pot rose can be achieved through the use of rose cultivars having vigorous growth. A better understanding of the inheritance of vigour and its related traits will assist the breeding activities. Quantitative trait locus (QTL) analyses were performed with the help of an integrated linkage map of a diploid rose population originating from a cross between Rosa multiflora-derived genotypes. The underlying datasets for ten vigour-related traits were collected in an evaluation study of this population in two greenhouse experiments with suboptimal temperatures for growth. We identified ten chromosomal regions, scattered over the seven linkage groups, containing QTLs for these traits. Considering each trait separately, we detected a total of 42 QTLs. Among these QTLs, 24 were found in both of the experiments, eight and ten were specific to either of the two experiments. The number of QTLs for individual traits varied from three to five with a respective contribution to the phenotypic variation from 12 to 35%. QTLs for highly correlated traits frequently co-localized, indicating a common genetic basis. Clustering of QTLs for different traits was noted in some chromosome regions, for instance, one on chromosome 2 included major QTLs for eight of ten traits under study, suggesting co-localization of several separate genes or/and the occurrence of various genes having pleiotropic effects. The discovery of markers associated to QTL regions is in roses the first step towards marker-assisted selection for vigour improvement enabling the transfer of useful QTL-alleles of R. multiflora to pot and cut roses.
This publication contains information about 90 features:
Feature NameUniquenameType
geranyl acetate contentgeranyl acetate content-Geranylacetateheritable_phenotypic_marker
flower colorflower color-Blfaheritable_phenotypic_marker
neryl acetate contentneryl acetate content-Nerylacetateheritable_phenotypic_marker
resistance to Diplocarpon rosaerose black spot disease resistance-Rdr1heritable_phenotypic_marker
double flowerdouble flower-Blfoheritable_phenotypic_marker
nerol contentnerol content-Nerolheritable_phenotypic_marker
chlorophyll contentqCHLCN.PP-ch2-DKQTL
chlorophyll contentqCHLCN.PP-ch3-DKQTL
chlorophyll contentqCHLCN.PP-ch6-DKQTL
chlorophyll contentqCHLCN.PP-ch7-DKQTL
chlorophyll contentqCHLCN.PP-ch2-NLQTL
chlorophyll contentqCHLCN.PP-ch3-NLQTL
chlorophyll contentqCHLCN.PP-ch6-NLQTL
chlorophyll contentqCHLCN.PP-ch7-NLQTL
total growth rateqGR.PP-ch2-NLQTL
total growth rateqGR.PP-ch4-NLQTL
total growth rateqGR.PP-ch5-NLQTL
total growth rateqGR.PP-ch6-NLQTL
total growth rateqGR.PP-ch7-NLQTL
total growth rateqGR.PP-ch2-DKQTL
total growth rateqGR.PP-ch4-DKQTL
total growth rateqGR.PP-ch5-DKQTL
total growth rateqGR.PP-ch6-DKQTL
total growth rateqGR.PP-ch7-DKQTL
leaf areaqLFA.PP-ch4-NLQTL


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