Publications Scientifiques

[ Article ] Assessment of Agro-morphological Performances of 56 Accessions of Pennisetum glaucum with Grain and Fodder Potentials in Niger

Date de soumission: 15-08-2021
Année de Publication: 2020
Entité/Laboratoire Laboratoire d'Ecologie Appliquée (LEA)
Document type : Article
Discipline(s) : Agriculture & Agronomie
Titre Assessment of Agro-morphological Performances of 56 Accessions of Pennisetum glaucum with Grain and Fodder Potentials in Niger
Auteurs Moussa Hamadou [1], Kindomihou Valentin Missiakô [2], Houéhanou Thierry D. [3], Chaibou Mahamadou [4], Souleymane Oumarou [5], Soumana Idrissa [6], ISSA SALISSOU [7], Issaka Ahmadou [8], Issoufou Kassari Ango [9], Dossou Joseph [10], Houndonougbo Frederic [11], BABATOUNDE SÉVÉRIN [12],
Journal: Proceedings of the National Academy of Sciences, India Section B: Biological Sciences
Catégorie Journal: Internationale
Impact factor: 0.385
Volume Journal: 90
DOI: 10.1007/s40011-020-01183-1
Resume Morphological characterization is the first step in studying the genetic diversity of cultivated plants. The present study examined agro-morphological performance of the pearl millet local accessions collected across the Niger country, aimed to: (a) characterize, (b) discriminate morphologically the pearl millet accessions groups and (c) identify the pearl millet genotypes with promising grain and fodder potential. Fifty-six pearl millet accessions col- lected in the eight Niger regions (Agadez, Diffa, Dosso, Niamey, Tahoua, Tillabe´ry and Zinder) were evaluated in an Alpha lattice design with 3 replicates in Djirataoua and Kollo localities. Twenty-five specific agro-morphological descriptors were used for this purpose. The data set was submitted to descriptive analyses and indicated wide sig- nificant accessions diversity. Hierarchical cluster analysis revealed 5 phenotypic groups, and principal component analysis showed 3 components representing 60.45% of total variability. Canonical discriminant analysis indicated 20 major traits of the discriminated phenotypic groups. Group G 1 holds early accessions, with average perfor- mances in grain production and low performances in bio- mass production. Group G 2 holds early accessions, with good performances for grain production and fodder bio- mass. Group G 3 holds early–late accessions with good grain performances and low fodder performances. G 4 holds both early and late accessions with good fodder perfor- mance and good grain performance. Finally, G 5 includes both late accessions with better fodder performances and bad grain performances. These groups can be used as parents in the creation of improved varieties for better grain and fodder production performance. Otherwise, Djirataoua would be ideal for the tested accessions to express their agro-morphological potentials.
Mots clés Agro-morphological traits, Diversity, Fodder, Grain Accessions, Millet, Niger
Pages 1129 - 1144
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