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Identification of Three Distinct Eggplant Subgroups within the Solanum aethiopicum Gilo Group from Côte d’Ivoire by Morpho-Agronomic Characterization

Laboratory of Genetics, Félix Houphouët Boigny University, 22 BP 582 Abidjan 22, Cote d'Ivoire
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Agriculture 2014, 4(4), 260-273; https://doi.org/10.3390/agriculture4040260
Received: 10 July 2014 / Revised: 26 September 2014 / Accepted: 5 October 2014 / Published: 20 October 2014
The Solanum aethiopicum Gilo group, described as homogeneous, shows a high diversity, at least at the morphological level. In Côte d’Ivoire, farmers distinguish three subgroups, named “N’Drowa”, “Klogbo” and “Gnangnan”, within this group. Data were obtained from 10 quantitative and 14 qualitative morpho-agronomic traits measured in 326 accessions of Gilo eggplants, at flowering and fruiting stages. Univariate and multivariate analyses allowed clearly clustering the studied accessions into the three subgroups. Fruit taste, leaf blade width, fruit diameter, leaf blade length, fruit weight, fruit color at commercial ripeness, petiole length, germination time, plant breadth, fruit position on the plant, fruit length and flowering time were, in decreasing order, the twelve most discriminating traits. Compared to the “Gnangnan” subgroup, the “N’Drowa” subgroup has smaller plant breadth and larger leaves. The fruits of this subgroup were mainly white at commercial ripeness, larger and sweeter. Most of the traits of the “Klogbo” subgroup were intermediate between those of the “N’Drowa” and “Gnangnan” subgroups. Our results could contribute to a better understanding of S. aethiopicum diversity and to the development of a core collection for African eggplant breeding. View Full-Text
Keywords: Solanum aethiopicum Gilo group; morpho-agronomic characterization; univariate analysis; multivariate analysis; subgroups Solanum aethiopicum Gilo group; morpho-agronomic characterization; univariate analysis; multivariate analysis; subgroups
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Kouassi, A.; Béli-Sika, E.; Tian-Bi, T.Y.-N.; Alla-N'Nan, O.; Kouassi, A.B.; N'Zi, J.-C.; N'Guetta, A.S.-P.; Tio-Touré, B. Identification of Three Distinct Eggplant Subgroups within the Solanum aethiopicum Gilo Group from Côte d’Ivoire by Morpho-Agronomic Characterization. Agriculture 2014, 4, 260-273.

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