Population genetics of Mediterranean and Saharan olives: geographic patterns of differentiation and evidence for early generations of admixture
Author(s) -
Guillaume Besnard,
Ahmed El Bakkali,
Hicham Haouane,
Djamel Baâli-Cherif,
Abdelmajid Moukhli,
Bouchaïb Khadari
Publication year - 2013
Publication title -
annals of botany
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.567
H-Index - 176
eISSN - 1095-8290
pISSN - 0305-7364
DOI - 10.1093/aob/mct196
Subject(s) - biology , mediterranean climate , population genetics , population , evolutionary biology , genetics , ecology , demography , sociology
The olive (Olea europaea subsp. europaea) was domesticated in the Mediterranean area but its wild relatives are distributed over three continents, from the Mediterranean basin to South Africa and south-western Asia. Recent studies suggested that this crop originated in the Levant while a secondary diversification occurred in most westward areas. A possible contribution of the Saharan subspecies (subsp. laperrinei) has been highlighted, but the data available were too limited to draw definite conclusions. Here, patterns of genetic differentiation in the Mediterranean and Saharan olives are analysed to test for recent admixture between these taxa.
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