Publications Scientifiques

[ Article ] Genetic Characterization of Cashew (Anacardium occidentale L) Cultivars from Benin

Date de soumission: 30-12-2016
Année de Publication: 2015
Entité/Laboratoire Laboratoire des Sciences du Sol (LSS)
Document type : Article
Discipline(s) : Agriculture & Agronomie
Titre Genetic Characterization of Cashew (Anacardium occidentale L) Cultivars from Benin
Auteurs CHABI-SIKA KAMIROU [1], ADOUKONOU AWO SAGBADJA HUBERT [2], AHOTON ESSÈHOU LÉONARD [3], SAIDOU ALIOU [4], AHANCHEDE ADAM [5], KEFELA T. [6], GACHOMO E.W. [7], BABA-MOUSSA LAMINE SAÏD [8], KOTCHONI SIMEON [9],
Journal: Journal of Horticulture
Catégorie Journal: Internationale
Impact factor: 0
Volume Journal: 2
DOI: 10.4172/2376-0354.1000153
Resume Cashew (Anacardium Occidentale L.) is a fruit plant introduced in Benin in 1950 and is widely cultivated in private plantations in three regions (Central, North East and North West) of the country. These plantations contain different varieties of cashew with reduced productivity and quality of nuts. In this study we characterized the genetic diversity of Benin’s cashew accessions by SSR (simple sequence repeat) markers. Sixty cashew morphotypes from three regions of Benin, West Africa, were analyzed using eight SSR markers. A total of 146 polymorphic bands were produced. The polymorphic bands showed low genetic diversity (Shannon index = 0.04) that are relatively important for an imported species. Low diversity was found in North western regions compared to the other two regions (Center and North East). Genetic distance-based UPGMA dendrogram and Principal Coordinate Analysis (PCoA) showed a genetic differentiation between morphotypes. This genetic differentiation allowed us to cluster the samples into three clusters based on their genetic variations. This work further provides genetic information for the improvement of cashew production, conservation and better management of A. occidentale genetic resources in Benin.
Mots clés SSR; PCR; Anacardium occidentale L .; Benin; Genetic diversity; Plant diversity; Crop production; Genetics
Pages 1 - 7
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