Inheritance and QTL analysis of the determinants of flower color in tetraploid cut roses

Virginia W. Gitonga, Robert Stolker, Carole F.S. Koning-Boucoiran, Mitra Aelaei, Richard G.F. Visser, Chris Maliepaard, Frans A. Krens*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

8 Citations (Scopus)

Abstract

The success of cut rose cultivars is a direct result of their aesthetic value. The rose industry thrives on novelty, and the production of novel flower color has been extensively studied. The most popular color is red, and it is, therefore, important for breeders to produce a good red cultivar. The final visible color of the flower is a combination of a number of factors including the type of anthocyanin accumulating, modifications to the anthocyanidin molecule, co-pigmentation and vacuolar pH. Here, we analyze the quantitative variation of the biochemical constituents of flower color in a tetraploid rose population and combine this with marker information in the segregating rose population to map the chromosomal locations of putative QTLs for flower color traits. Within our tetraploid population, we found a number of QTLs that were mapped on ICM 1, 2, 6 and 7. We were able to show the effect of the different QTLs on the final visible color of the flower from salmon to dark red.

Original languageEnglish
Article number143
JournalMolecular Breeding
Volume36
Issue number10
DOIs
Publication statusPublished - 2016

Fingerprint

Tetraploidy
tetraploidy
quantitative trait loci
inheritance (genetics)
Rosa
Color
flowers
color
Anthocyanins
Population
anthocyanidins
Salmon
aesthetics
Pigmentation
cultivars
Esthetics
pigmentation
salmon
anthocyanins
Industry

Keywords

  • Color determinants
  • Genetics
  • Inheritance
  • QTL analysis
  • Rosa × hybrida
  • Tetraploid rose

Cite this

Gitonga, Virginia W. ; Stolker, Robert ; Koning-Boucoiran, Carole F.S. ; Aelaei, Mitra ; Visser, Richard G.F. ; Maliepaard, Chris ; Krens, Frans A. / Inheritance and QTL analysis of the determinants of flower color in tetraploid cut roses. In: Molecular Breeding. 2016 ; Vol. 36, No. 10.
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abstract = "The success of cut rose cultivars is a direct result of their aesthetic value. The rose industry thrives on novelty, and the production of novel flower color has been extensively studied. The most popular color is red, and it is, therefore, important for breeders to produce a good red cultivar. The final visible color of the flower is a combination of a number of factors including the type of anthocyanin accumulating, modifications to the anthocyanidin molecule, co-pigmentation and vacuolar pH. Here, we analyze the quantitative variation of the biochemical constituents of flower color in a tetraploid rose population and combine this with marker information in the segregating rose population to map the chromosomal locations of putative QTLs for flower color traits. Within our tetraploid population, we found a number of QTLs that were mapped on ICM 1, 2, 6 and 7. We were able to show the effect of the different QTLs on the final visible color of the flower from salmon to dark red.",
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Inheritance and QTL analysis of the determinants of flower color in tetraploid cut roses. / Gitonga, Virginia W.; Stolker, Robert; Koning-Boucoiran, Carole F.S.; Aelaei, Mitra; Visser, Richard G.F.; Maliepaard, Chris; Krens, Frans A.

In: Molecular Breeding, Vol. 36, No. 10, 143, 2016.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - Gitonga, Virginia W.

AU - Stolker, Robert

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AU - Aelaei, Mitra

AU - Visser, Richard G.F.

AU - Maliepaard, Chris

AU - Krens, Frans A.

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