Genetic diversity analysis of Moroccan lentil (Lens culinaris Medik.) landracesusing Simple Sequence Repeat and Amplified Fragment Length Polymorphismsreveals functional adaptation towards agro-environmental origins

Omar Idrissi, Sripada M. Udupa, Chafika Houasli, Ellen De Keyser, Patrick Van Damme, Jan De Riek

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    Abstract

    In the absence of previous molecular characterization, we assessed
    genetic diversity of 53 Moroccan lentil landraces including two local cultivars
    using simple sequence repeat (SSR) and amplified fragment length
    polymorphisms (AFLP). Nineteen SSRs yielded 213 alleles, and seven
    AFLP primer combinations gave 766 fragments of which 422 were polymorphic.
    Moderate to high genetic variation was observed. Several small
    groups of landraces were differentiated. Interestingly, one of the smallest
    groups contained short-cycle landraces with high early vegetative growth.
    Landraces in that group were from the dry land location of Abda, where
    they were likely selected for adaptation to drought and heat stress over
    centuries. Another group contained two landraces from highland areas
    that may have been selected for specific adaptation to cold stress. A third
    group contained one landrace from the Zear region known for its seed
    quality and has been proposed for the protected designation of origin
    (PDO) quality mark. Both techniques gave evidence of differentiation of
    the latter landrace supporting the idea of PDO attribution. Functional
    grouping according to agro-environmental origins, cycle duration and
    early vegetative vigour was observed.
    Original languageEnglish
    JournalPlant Breeding
    Volume134
    Issue number3
    Pages (from-to)322-332
    Number of pages11
    ISSN0179-9541
    DOIs
    Publication statusPublished - 2015

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