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Diversidad genética en especies del género Phoenix L.


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Title:
Diversidad genética en especies del género Phoenix L.
Authors:
Carreño Sánchez, Encarnación
Tutor:
Obon, Concepcion  
Rivera Núñez, Diego
Alcaraz, Francisco
Department:
Departamentos de la UMH::Tecnología Agroalimentaria
Issue Date:
2017-09-26
URI:
http://hdl.handle.net/11000/4503
Abstract:
El género Phoenix L. (Arecaceae) comprende de 14 a 20 especies según autores. Los datos moleculares sobre las poblaciones de P. dactylifera L. en España son muy escasos, por tanto, el objetivo de la tesis ha sido la caracterización molecular de la palmera datilera española, y especies afines así co...  Ver más
The genus Phoenix L. (Arecaceae) includes from 14 to 20 species, according to different authors. Molecular data on Spanish accessions of P. dactylifera L. are scarce. Thus, the aim of this PhD Thesis was the characterization of Spanish date palm and close species at the molecular level, as well as genetic diversity within this species. A grand total of 372 samples of palms included in genus Phoenix were analyzed, 271 identified as P. dactylifera L. and 101 belonging to different species of the genus, grown at the Phoenix National Collection (in the Escuela Politécnica Superior de Orihuela, UMH). The analysis was carried out with 15 nuclear microsatellite markers together with an additional plastid minisatellite marker. These markers allowed us the identification of all the samples, as well as the detection of hybridization events and several cases of misidentification and mislabelling. Date palm samples from the South East of the Iberian Peninsula were recognized as part of the western genetic pool of Phoenix dactylifera L., except for some cases which belong to the eastern pool. The later could be the result of several events of introduction of eastern date palm germplasm. A new haplotype for the plastid minisatellite was identified in Phoenix roebelenii, pending confirmation through sequence analysis. A new haplotype for the plastid minisatellite was identified in palms collected in Yemen, with no identified species due to lack of sufficient evidence
Keywords/Subjects:
palmeras
Knowledge area:
CDU: Ciencias aplicadas: Agricultura. Silvicultura. Zootecnia. Caza. Pesca: Horticultura. Viticultura
Type of document:
info:eu-repo/semantics/doctoralThesis
Access rights:
info:eu-repo/semantics/openAccess
Appears in Collections:
Tesis doctorales - Ciencias e Ingenierías



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