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Germination and seed traits variations among West African provenances of Moringa oleifera Lam. (Burkina Faso)

Dao Madjelia Cangré Ebou, Taita Paulette et Walsh Denis. (2017). Germination and seed traits variations among West African provenances of Moringa oleifera Lam. (Burkina Faso). African Journal of Agricultural Research, 12, (9), p. 730-739.

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URL officielle: http://dx.doi.org/doi:10.5897/AJAR2016.11882

Résumé

Moringa oleifera is a fruit species of economic interest to West African small holder growers. To generate benefits to poor rural communities, improved knowledge is needed on plantation management and selection of the most reliable seed sources. The aim of the study was to investigate variation in seed traits and germination rates among 12 provenances of M. oleifera from West Africa in the women gardening center named “Amicale des Forestières du Burkina Faso (AMIFOB)” located at Ouagadougou, Burkina Faso (12°7’32’’N, 01°40’24’’W). The authors conducted an analysis of variance, a principal component analysis on seed traits variables (length, thickness and weight) and germination rates at 5 and 12 days after seed sowing, and finally ascending hierarchical classification based on similarity indices. The results showed significant variations (P<0.05) among provenances in seed traits: Ouahigouya provenance in the Sahelian area of Burkina Faso had the largest and heaviest seeds. Germination rate was significantly different after 5 days for Ouahigouya, Ouagadougou, Koudougou, Dano and Tamale provenances (P<0.05). Five days after seed sowing, the Sahelian provenance (Ouahigouya) recorded the greatest and fastest germination rate of 63%. Correlation analyses revealed no significant links between germination rate in 5 and 12 days after sowing and seed sizes. Seed traits and germination rates did not show clear cut distinct groups between Sahelian, Sudanian and sub Equatorial provenances. This research output provides an evidence of the genetic variability among M. oleifera provenances and hence the potential for future tree improvement programme.

Type de document:Article publié dans une revue avec comité d'évaluation
Volume:12
Numéro:9
Pages:p. 730-739
Version évaluée par les pairs:Oui
Date:2 Mars 2017
Sujets:Sciences naturelles et génie > Sciences appliquées > Agronomie
Département, module, service et unité de recherche:Départements et modules > Département des sciences fondamentales > Programmes d'études de cycles supérieurs en ressources renouvelables, environnement et biologie
Mots-clés:Seed variability, agroclimatic zone, Burkina Faso, Moringa oleifera
Déposé le:30 mars 2017 01:16
Dernière modification:30 mars 2017 01:16
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