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Le niebe est une denree de base en Afrique subsaharienne. L’objectif de ce travail est d’identifier des lignees a haut rendement, tolerantes a la secheresse et resistantes a la race 1 de S. gesnerioides . Des lignees issues de la selection recurrente et des varietes temoins ont ete evaluees au Centre Ouest (condition maximale d’humidite) et au Nord (condition de stress hydrique) du Burkina Faso en 2014. Tous les genotypes ont montre une resistance a la race 1 de Striga et plusieurs lignees ont reussi a produire plus de 1300 kg/ha sur les deux sites. L’Analyse en Composantes Principales realisee sur la base des caracteres quantitatifs a permis d’identifier deux groupes. Le groupe 1 est compose par des individus precoces a rendement modere (Nafi, Gorom local, KVX˗61˗1 et Komcalle). Le groupe 2 est constitue par les genotypes extra precoces a rendement modere (C2˗6˗3, C2˗18˗2, C2˗27˗2, IT97K-499-35 et Yiis yande). © 2017 International Formulae Group. All rights reserved. Mots cles: Niebe, Striga gesnerioides , stress hydrique, rendement English Title:  Evaluation of 15 genotypes of rain-fed cowpea [ Vigna unguiculata (L.) Walp.] In northern and central-western Burkina Faso English Abstract Cowpea is a staple food in sub-Saharan Africa. The objective of this work is to identify high yielding, drought tolerant and race 1 resistant lines of S. gesnerioides . The breeding lines of including some varieties were evaluated in field trial under drought stressed and non-stressed conditions in 2014. Results show that the breeding lines showed complete resistance to race 1 of Striga and many improved varieties are capable of producing over 1300 kg grain/ha. Biplot displays indicated that the genotypes could be grouped into two categories according to their cycle and yielding ability as indicated below: moderate yielding-early maturing (Nafi, Gorom local, KVX˗61˗1 et Komcalle) and moderate yielding extra-early maturing (C2˗6˗3, C2˗18˗2, C2˗27˗2, IT97K-499-35 et Yiis yande). © 2017 International Formulae Group. All rights reserved. Keywords: Cowpea, Striga gesnerioides , drought, yield

international journal of biological and chemical sciences

Évaluation de quinze génotypes de niébé [&lt;i&gt;Vigna unguiculata&lt;/i&gt; (L.) Walp.] Sous conditions pluviales dans le Nord et le Centre Ouest du Burkina Faso