Home > X International Peach Symposium > Molecular and phenotypic characterization of a bud mutation delaying maturity date in peach

Articles

Molecular and phenotypic characterization of a bud mutation delaying maturity date in peach

Article number

1352_49

Pages

357 – 362

Language

English

Abstract

Maturity date (MD) represents a key trait in peach given the relatively short shelf-life of fruit and one of the main goals of the peach breeding programs worldwide.
The recent literature reports the presence of a major QTL linked to the trait in LG4 not only in peach but also in related species such as apricot and plum.
A NAC candidate gene has been described as the best candidate gene for the control of this trait.
Several years ago, a bud mutation causing a significant delay in the maturity date was identified in a tree of the nectarine cultivar Caldesi 2000. A progeny segregating for maturity date and slow ripening, obtained by the self-pollination of this mutated genotype, is being characterized at the phenotypic and molecular level.
This information will offer the opportunity to shed light on the trait segregation and to identify new candidate genes involved in determining the ripening date.

Publication

X International Peach Symposium

Authors

L. Ferrari, M. Pietrella, F. Brandi, S. Tartarini, L. Dondini, I.E. Munoz, D. Giovannini

Keywords

Prunus persica, ethylene emission, slow ripening

Full text

https://doi.org/10.17660/ActaHortic.2022.1352.49

Groups involved

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