Tree Genetics & Genomes

, 13:77 | Cite as

Genetic analysis of the slow-melting flesh character in peach

  • Octávio Serra
  • Jordi Giné-Bordonaba
  • Iban Eduardo
  • Joan Bonany
  • Gemma Echeverria
  • Christian Larrigaudière
  • Pere ArúsEmail author
Original Article
Part of the following topical collections:
  1. Complex Traits


The slow-melting flesh (SMF) trait in peach [Prunus persica (L.) Batsch] defines a slower process of postharvest fruit-softening than the prevalent melting flesh (MF) types. This gives a longer shelf life and a delayed harvest-time resulting in better fruit quality. Unlike other known fruit texture traits, SMF is difficult to measure and has a complex inheritance. We examined this character over 2 years in the offspring of two crosses, both with “Big Top,” an SMF nectarine, as the female parent, and with a melting flesh (MF) nectarine as the male parent (“Armking” and “Nectaross”). Following harvest, a texturometer was used to provide a textural profile analysis, and fruit firmness evolution was measured with a penetrometer over a period of 5 days’ storage at 20 °C. Linkage maps were constructed with a high-density SNP chip, and a phenotype-genotype analysis allowed the detection of three independent genomic regions where most QTLs (quantitative trait loci) were located. Two of these, on linkage groups 4 and 5, explained the variability for two characters—maturity date and firmness loss—that is, the QTL on linkage group 4 found in the MF parents and that on linkage group 5 in Big Top. A third region on linkage group 6, which identified a QTL for maturity date only in Armking, has no apparent association to the softening process. The relationship between maturity date and fruit-firmness loss and a hypothesis on the inheritance of the SMF character are discussed.


Prunus persica Postharvest behavior Marker-assisted selection Maturity date Fruit flesh texture 



We acknowledge financial support from the Spanish Ministry of Economy and Competitiveness through the project AGL2015-68329-R, from “Severo Ochoa Programme for Centres of Excellence in R&D” 2016–2019 (SEV-2015-0533)”, from the CERCA Programme-Generalitat de Catalunya and from the EU Seventh Framework Programme by the FruitBreedomics project (FP7-KBBE-2010-265582): an Integrated Approach for Increasing Breeding Efficiency in Fruit Tree Crop. The views expressed in this work are the sole responsibility of the authors and do not necessarily reflect the views of the European Commission. We thank Arsène and Laurance Maillard from Agro Selection Fruits for their advice in the selection of the parents of the progenies used in this paper.

Supplementary material

11295_2017_1160_MOESM1_ESM.pdf (1 mb)
ESM 1 (PDF 1.03 mb)
11295_2017_1160_MOESM2_ESM.pdf (1020 kb)
ESM 2 (PDF 0.99 mb)


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Copyright information

© Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  1. 1.IRTA Centre de Recerca en Agrigenòmica CSIC-IRTA-UAB-UBBarcelonaSpain
  2. 2.IRTA FruitcentreLleidaSpain
  3. 3.IRTA Mas BadiaLa TalladaSpain

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