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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    T2 - Insights on the origin and on the structure of modern diversity

    AU - Pintaud, J. C.

    AU - Ludeña, B.

    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.

    AU - Sosa, P.

    AU - Moussouni, S.

    AU - Si-Dehbi, F.

    AU - Bouguedoura, N.

    AU - Zehdi, S.

    AU - Newton, C.

    AU - Abdoulkader, S.

    AU - Daher, A.

    AU - Nabil, M.

    AU - Santoni, S.

    PY - 2013/1/1

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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.

    AB - 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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    KW - Chlorotypes

    KW - Domestication

    KW - Microsatellites

    KW - Phylogeny

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