Journal of Plant Breeding and Crop Science
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Article Number - 91EBF7462330


Vol.9(1), pp. 1-9 , January 2017
DOI: 10.5897/JPBCS2016.0619
ISSN: 2006-9758



Full Length Research Paper

Agro-morphological variability of Zea mays (L.) accessions collected in Southern Benin



Hafiz A. Salami
  • Hafiz A. Salami
  • Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi 05 BP 1604 Cotonou, Bénin.
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Haziz Sina
  • Haziz Sina
  • Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi 05 BP 1604 Cotonou, Bénin.
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Nouhoun Zoumarou Wallis
  • Nouhoun Zoumarou Wallis
  • Laboratoire de Phytotechnie, d’Amélioration et de la Protection des Plantes, Département des Sciences et Techniques de Production Végétale, Faculté d’Agronomie, Université de Parakou BP 123 Parakou, Bénin.
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Wilfrid Padonou
  • Wilfrid Padonou
  • Programme Technologie Agricole et Alimentaire (PTAA), Institut National des Recherches Agricoles du Bénin (INRAB), Porto-Novo, Benin.
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Djima Aly
  • Djima Aly
  • Centre de Recherches Agricoles Sud, Institut National des Recherches Agricoles du Bénin (INRAB), Attogon, BP 884 Cotonou, Bénin.
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Chabi Yallou
  • Chabi Yallou
  • Centre de Recherches Agricoles Sud, Institut National des Recherches Agricoles du Bénin (INRAB), Attogon, BP 884 Cotonou, Bénin.
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Kamirou Chabi-Sika
  • Kamirou Chabi-Sika
  • Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi 05 BP 1604 Cotonou, Bénin.
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Pacome A. Noumavo
  • Pacome A. Noumavo
  • Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi 05 BP 1604 Cotonou, Bénin.
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Adolphe Adjanohoun
  • Adolphe Adjanohoun
  • Centre de Recherches Agricoles Sud, Institut National des Recherches Agricoles du Bénin (INRAB), Attogon, BP 884 Cotonou, Bénin.
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Lamine Baba-Moussa
  • Lamine Baba-Moussa
  • Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi 05 BP 1604 Cotonou, Bénin.
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 Received: 02 November 2016  Accepted: 21 December 2016  Published: 31 January 2017

Copyright © 2017 Author(s) retain the copyright of this article.
This article is published under the terms of the Creative Commons Attribution License 4.0


A better approach to assess plant genetic diversity is the agro-morphological characterization. The main objective of this study was to investigate the morphological variability of 87 maize (Zea mays L.) accessions collected in different agro-ecological zones of southern Benin. Thus, 16 agro-morphological characters (seven quantitative and nine qualitative) were selected from the maize descriptors. The experimental design used is an incomplete randomized block with three replications. The mixed model analysis of two factors variance revealed a very highly significant difference for all accessions for each quantitative agro-morphological characteristic evaluated. The numerical classification of all corn accessions revealed five groups of accessions. The results of the stepwise discriminant analysis revealed five agro-morphological characteristics (germination days, female flowering, plant height, ear height and sensitivity to streak) most discriminating. The results of numerical classification supervised based on the most discriminating variables enable identification of the best accessions. Comparison of the two types of accessions (local and improved) revealed a significant difference among of them for agro-morphological characteristics with some exception. The groups obtained can constitute a database for breeders in a maize breeding program.

 

Key words: Cultivars, biodiversity, selection, Zea mays L., Benin

Abbreviation:

Abbreviations: DAS, Days after seedling; CNS-Maïs, National Center of Specialization on corn; NPK, sodium phosphorus and potassium fertilizer.


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APA Salami, H. A., Sina, H., Wallis, N. Z., Padonou, W., Aly, D., Yallou, C., Chabi-Sika, K., Noumavo, P. A., Adjanohoun, A., & Baba-Moussa, L. (2017). Agro-morphological variability of Zea mays (L.) accessions collected in Southern Benin. Journal of Plant Breeding and Crop Science, 9(1), 1-9.
Chicago Hafiz A. Salami, Haziz Sina, Nouhoun Zoumarou Wallis, Wilfrid Padonou, Djima Aly, Chabi Yallou, Kamirou Chabi-Sika, Pacôme A. Noumavo, Adolphe Adjanohoun and Lamine Baba-Moussa. "Agro-morphological variability of Zea mays (L.) accessions collected in Southern Benin." Journal of Plant Breeding and Crop Science 9, no. 1 (2017): 1-9.
MLA Hafiz A. Salami, et al. "Agro-morphological variability of Zea mays (L.) accessions collected in Southern Benin." Journal of Plant Breeding and Crop Science 9.1 (2017): 1-9.
   
DOI 10.5897/JPBCS2016.0619
URL http://academicjournals.org/journal/JPBCS/article-abstract/91EBF7462330

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