Morphological Diversity of Corn’s (Zea mays L.) Local Cultivar and Improved Varieties in Central and North of Benin
Hafiz A. Salami1, Adolphe Adjanohoun2, Wilfrid Padonou3, Abdoul-Madjidou Yacoubou4, Djima Aly2, Chabi Yallou4, Haziz Sina1, Lamine Baba-Moussa1*
1Laboratoire de Biologie et de Typage Moléculaire en Microbiologie, Département de Biochimie et de Biologie Cellulaire, Faculté des Sciences et Techniques, Université d’Abomey-Calavi, Cotonou, Bénin.
2Centre de Recherches Agricoles Sud, Institut National des Recherches Agricoles du Bénin (INRAB), Attogon, Benin.
3Programme Technologie Agricole et Alimentaire (PTAA), Institut National des Recherches Agricoles du Bénin (INRAB), Porto-Novo, Benin.
4Centre de Recherches Agricoles Nord, Institut National des Recherches Agricoles du Bénin (INRAB), N’dali, Benin.
DOI: 10.4236/ajps.2015.618284   PDF   HTML   XML   3,219 Downloads   4,566 Views   Citations


The better knowledge of a plant genetic biodiversity is based on a prior study of its agro-morphological characteristics. The objective of this study was to investigate the morphological diversity of maize accessions and its structure on the basis of 14 variables. For the experimentation, 43 and 98 maize accessions were planted in three replicates respectively in central and northern Benin following an incomplete randomized block. The mixed model analysis of two factors variance revealed a significant difference for all accessions considering each agro-morphological characteristic evaluated except the germination day of two areas seed accessions. The numerical classification grouped the accessions into four groups in each zone. The stepwise discriminant analysis showed that early characters related to plant height and ear insertion were the variables that discriminated accessions in both zones. Maturity and recovery ears, sensitivity to streak and the germination days are the variables that discriminate accessions of the two areas. These results provide a database for the creation of improved maize varieties that meet the needs of producers

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Salami, H. , Adjanohoun, A. , Padonou, W. , Yacoubou, A. , Aly, D. , Yallou, C. , Sina, H. and Baba-Moussa, L. (2015) Morphological Diversity of Corn’s (Zea mays L.) Local Cultivar and Improved Varieties in Central and North of Benin. American Journal of Plant Sciences, 6, 2867-2877. doi: 10.4236/ajps.2015.618284.

Conflicts of Interest

The authors declare no conflicts of interest.


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