Simple Sequence Repeat (SSR)-Based Genetic Diversity in Interspecific Plumcot-Type (Prunus salicina × Prunus armeniaca) Hybrids

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dc.bibliographicCitation.titlePlantsen
dc.bibliographicCitation.volume11(9)es_ES
dc.contributor.authorGuerrero Camacho, Brenda Ivettees_ES
dc.contributor.authorGuerra Velo, Mª Engraciaes_ES
dc.contributor.authorRodrigo García, Francisco Javieres_ES
dc.coverage.spatialCiencia vegetales_ES
dc.date.accessioned2022-05-12T10:55:00Z
dc.date.available2022-05-12T10:55:00Z
dc.date.issued2022es_ES
dc.description.abstractThe main objective of many fruit-breeding programs around the world is the release of new cultivars from interspecific hybridizations between species of the Prunus genus. Plum × apricot (Prunus salicina Lindl. × Prunus armeniaca L.) are the most widespread interspecific hybrids, which include plumcots, pluots, and apriums. In this work, 115 accessions of interspecific hybrids from different origins and 27 reference genotypes of apricot and other diploid plum species were analyzed using eight simple sequence repeat (SSR) markers to assess the population structure and current genetic diversity. A total of 149 alleles were obtained, with an average of 19 alleles per locus. The overall polymorphic information content (PIC) mean value of SSR markers was 0.81, indicating a high degree of polymorphism of the SSR. The genetic analysis revealed 141 unique genotypes and two synonyms. The unweighted pair group method with arithmetic averages (UPGMA) dendrogram and the population structure with five groups inferred through the discriminant analysis of principal components (DAPC) revealed a clear genetic differentiation between apricot genotypes and the rest of the accessions since the interspecific hybrids clustered with the Japanese plum genotypes. Repeated backcrosses between interspecific hybrids with plum genotypes could be the cause of the higher genetic proximity of the hybrids with respect to plum than with apricot genotypes. This corresponds to the fruit morphology and agronomic behavior observed in most interspecific hybrids, which also resemble plums more than apricots.en
dc.description.statusPublishedes_ES
dc.identifier.citationPlants, vol. 11, num. 9, (2022)
dc.identifier.urihttp://hdl.handle.net/10532/5889
dc.language.isoenes_ES
dc.relation.doi10.3390/plants11091241es_ES
dc.relation.urihttps://www.mdpi.com/2223-7747/11/9/1241es_ES
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/*
dc.subject.agrovocPrunus salicinaes
dc.subject.agrovocPrunus armeniacaes
dc.subject.agrovocRecursos genéticoses
dc.subject.agrovocEstructura de la poblaciónes
dc.subject.agrovocAnálisis discriminantees
dc.titleSimple Sequence Repeat (SSR)-Based Genetic Diversity in Interspecific Plumcot-Type (Prunus salicina × Prunus armeniaca) Hybridsen
dc.typeJournal Contribution*
dc.type.refereedRefereedes_ES
dc.type.specifiedArticlees_ES

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