Biogeography of the date palm (Phoenix dactylifera L., Arecaceae)

Insights on the origin and on the structure of modern diversity

J. C. Pintaud, B. Ludeña, F. Aberlenc-Bertossi, Muriel Gros-Balthazard, S. Ivorra, J. F. Terral, M. Tengberg, I. Saro Hernández, M. A. González-Pérez, P. Sosa, S. Moussouni, F. Si-Dehbi, N. Bouguedoura, S. Zehdi, C. Newton, S. Abdoulkader, A. Daher, M. Nabil, S. Santoni

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

The biogeography of the date palm (Phoenix dactylifera L.), the origin, structure and dynamics of its agrobiodiversity, and the relationships to other species of Phoenix are reviewed. Phoenix dactylifera is confirmed as a distinct species and has closest affinities with P. sylvestris and P. atlantica. Multiple origins of domestication are likely, within two highly distinct primary gene pools, one oriental (Middle East) and one occidental (south-western Europe and north-western Africa), subsequently partially admixed, especially in the intermediate zone of North Africa. A rationale to identify wild populations of P. dactylifera, using a combination of chloroplast barcoding and nuclear microsatellite genotyping is proposed. A domestication model is presented and the domestication syndrome is described, as well as the nature of cultivars. All data indicate a strong geographic structure of the genetic diversity of the date palm at all scales (local, regional, global), and the importance of both isolation and intraspecific gene flow in shaping the present day agrobiodiversity, while there is no evidence of interspecific hybridization in the cultivated gene pool.

Original languageEnglish (US)
Title of host publicationI International Symposium on Date Palm
PublisherInternational Society for Horticultural Science
Pages19-38
Number of pages20
ISBN (Print)9789066055261
DOIs
StatePublished - Jan 1 2013

Publication series

NameActa Horticulturae
Volume994
ISSN (Print)0567-7572

Fingerprint

Phoenix dactylifera
Arecaceae
biogeography
domestication
Northern Africa
Phoenix sylvestris
Phoenix (Arecaceae)
biodiversity
barcoding
interspecific hybridization
Middle East
Western European region
Western Africa
genotyping
gene flow
chloroplasts
microsatellite repeats
genetic variation
cultivars

Keywords

  • Agrobiodiversity
  • Chlorotypes
  • Domestication
  • Microsatellites
  • Phylogeny

ASJC Scopus subject areas

  • Horticulture

Cite this

Pintaud, J. C., Ludeña, B., Aberlenc-Bertossi, F., Gros-Balthazard, M., Ivorra, S., Terral, J. F., ... Santoni, S. (2013). Biogeography of the date palm (Phoenix dactylifera L., Arecaceae): Insights on the origin and on the structure of modern diversity. In I International Symposium on Date Palm (pp. 19-38). (Acta Horticulturae; Vol. 994). International Society for Horticultural Science. https://doi.org/10.17660/ActaHortic.2013.994.1

Biogeography of the date palm (Phoenix dactylifera L., Arecaceae) : Insights on the origin and on the structure of modern diversity. / Pintaud, J. C.; Ludeña, B.; Aberlenc-Bertossi, F.; Gros-Balthazard, Muriel; Ivorra, S.; Terral, J. F.; Tengberg, M.; Hernández, I. Saro; González-Pérez, M. A.; Sosa, P.; Moussouni, S.; Si-Dehbi, F.; Bouguedoura, N.; Zehdi, S.; Newton, C.; Abdoulkader, S.; Daher, A.; Nabil, M.; Santoni, S.

I International Symposium on Date Palm. International Society for Horticultural Science, 2013. p. 19-38 (Acta Horticulturae; Vol. 994).

Research output: Chapter in Book/Report/Conference proceedingChapter

Pintaud, JC, Ludeña, B, Aberlenc-Bertossi, F, Gros-Balthazard, M, Ivorra, S, Terral, JF, Tengberg, M, Hernández, IS, González-Pérez, MA, Sosa, P, Moussouni, S, Si-Dehbi, F, Bouguedoura, N, Zehdi, S, Newton, C, Abdoulkader, S, Daher, A, Nabil, M & Santoni, S 2013, Biogeography of the date palm (Phoenix dactylifera L., Arecaceae): Insights on the origin and on the structure of modern diversity. in I International Symposium on Date Palm. Acta Horticulturae, vol. 994, International Society for Horticultural Science, pp. 19-38. https://doi.org/10.17660/ActaHortic.2013.994.1
Pintaud JC, Ludeña B, Aberlenc-Bertossi F, Gros-Balthazard M, Ivorra S, Terral JF et al. Biogeography of the date palm (Phoenix dactylifera L., Arecaceae): Insights on the origin and on the structure of modern diversity. In I International Symposium on Date Palm. International Society for Horticultural Science. 2013. p. 19-38. (Acta Horticulturae). https://doi.org/10.17660/ActaHortic.2013.994.1
Pintaud, J. C. ; Ludeña, B. ; Aberlenc-Bertossi, F. ; Gros-Balthazard, Muriel ; Ivorra, S. ; Terral, J. F. ; Tengberg, M. ; Hernández, I. Saro ; González-Pérez, M. A. ; Sosa, P. ; Moussouni, S. ; Si-Dehbi, F. ; Bouguedoura, N. ; Zehdi, S. ; Newton, C. ; Abdoulkader, S. ; Daher, A. ; Nabil, M. ; Santoni, S. / Biogeography of the date palm (Phoenix dactylifera L., Arecaceae) : Insights on the origin and on the structure of modern diversity. I International Symposium on Date Palm. International Society for Horticultural Science, 2013. pp. 19-38 (Acta Horticulturae).
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AU - Aberlenc-Bertossi, F.

AU - Gros-Balthazard, Muriel

AU - Ivorra, S.

AU - Terral, J. F.

AU - Tengberg, M.

AU - Hernández, I. Saro

AU - González-Pérez, M. A.

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N2 - The biogeography of the date palm (Phoenix dactylifera L.), the origin, structure and dynamics of its agrobiodiversity, and the relationships to other species of Phoenix are reviewed. Phoenix dactylifera is confirmed as a distinct species and has closest affinities with P. sylvestris and P. atlantica. Multiple origins of domestication are likely, within two highly distinct primary gene pools, one oriental (Middle East) and one occidental (south-western Europe and north-western Africa), subsequently partially admixed, especially in the intermediate zone of North Africa. A rationale to identify wild populations of P. dactylifera, using a combination of chloroplast barcoding and nuclear microsatellite genotyping is proposed. A domestication model is presented and the domestication syndrome is described, as well as the nature of cultivars. All data indicate a strong geographic structure of the genetic diversity of the date palm at all scales (local, regional, global), and the importance of both isolation and intraspecific gene flow in shaping the present day agrobiodiversity, while there is no evidence of interspecific hybridization in the cultivated gene pool.

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