RESUMEEn Côte d'Ivoire, les aubergines constituent des denrées de grande consommation. Malheureusement, elles n'ont fait véritablement l'objet d'études scientifiques qu'au début des années 1990. C'est dans cette lancée qu'une étude a été conduite selon un dispositif en blocs de Fisher avec 3 répétitions à la station de recherche sur les cultures vivrières de Bouaké sur une collection de 55 accessions de deux espèces d'aubergines africaines, Solanum dasyphyllum et Solanum macrocarpon. L'analyse en composantes principales (ACP) des données recueillies sur 29 caractères phénotypiques a révélé que 23 sont discriminants. Ils ont ainsi, contribué à la formation des trois premiers axes principaux et à la classification des 55 accessions en deux grands groupes distincts. Le premier appelé groupe 1, a regroupé toutes les 3 accessions de S. dasyphyllum. Le deuxième appelé groupe 2 très diffus, contenait toutes les 52 accessions de l'espèce S .macrocarpon. Ce dernier groupe a été subdivisé en trois sous-groupes dont un sous-groupe A composé de la majorité des individus du groupe 2. Phenotypic character diversity of Solanum macrocarpon and Solanum dasyphyllum ABSTRACTAfrican eggplants are very consumed in Ivory Coast. But there is no important scientific study about these plants before 1990. So, a study was conducted according to a randomized complete block design with 3 replications in Food and Crops research Station in Bouaké on a collection of 55 accessions of two species of F. D. P. M. N'GBESSO et al. / Int. J. Biol. Chem. Sci. 10(4): 1793-1804, 2016 1794 African eggplant Solanum macrocarpon and Solanum dasyphyllum. The principal component analysis (PCA) of data collected on 29 phenotypic characters revealed that 23 of them are discriminating. They contributed to the formation of the three principal axes and to classify the 55 accessions into two distinct groups. The first one called group 1 consolidated all three accessions of S. dasyphyllum. The second group called group 2 is very diffuse and contained all the 52 accessions of S. Macrocarpon. This group was subdivided into three subgroups. The subgroup A contains the majority of individuals of the group 2. The subgroup B has a dozen of individuals which possess both some characters of the group 1 and other of subgroup A. Finally, the subgroup C contains four individuals, in terms of vegetative resemble those of subgroup B, but they differ from then by the presence of spines on some of their organs. These results confirm the inter fertility between S. macrocarpon and S. dasiphyllum
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