Greener Journal of Agricultural Sciences

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N'zue et al

Greener Journal of  Agricultural Sciences Vol. 4 (6), pp. 220-231, July 2014.

 ISSN: 2276-7770 

Research Paper

Manuscript Number: 050614224

DOI: http://dx.doi.org/10.15580/GJAS.2014.6.050614224


Morphological Characterization of Cassava (Manihot esculenta Crantz) Accessions Collected in the Centre-west, South-west and West of 

Côte d'Ivoire

 

N'zue Boni*1, Okoma Michelle Pamelas2

Kouakou Amani Michel1, Dibi Konan Evrard Brice1

Zohouri Goli Pierre1Essis Brice Sidoine1

Dansi Anagonou Alexandre2

 

1Centre National de Recherche Agronomique (CNRA), Côte d’Ivoire   01 BP 1740 Abidjan, Tél. (225) 22 48 96 24, Fax. (225) 22 48 96 11.

2Benin, 01 BP 526 Cotonou, Tél: (229)21 36 01 26 / 21303084, Fax: (229) 2136 01 22 / 2130 30 84, University of Abomey-Calavi


*Corresponding Author’s Email: nboni1 @ yahoo .fr

Abstract:

Cassava (Manihot esculenta Crantz) is an important food crop in Côte d'Ivoire. Nonetheless, its production is facing many constraints including the abandonment of landraces, fires, pests and diseases. Such a pressure can cause an erosion of the genetic diversity of cassava and wild relatives. In order to overcome those constraints, collections of traditional varieties were carried out in the Centre-west, South-west and West of Côte d’Ivoire. A total of 159 accessions were used. These accessions were observed using morphological parameter. Morphological characterization was done through multivariate analyses on these 159 accessions to better manage germplasm. Accessions were clustered into three classes with 143 morphotypes and 16 duplicates. Class 1 or Type Sié, composed of 45 accessions, included the majority of accessions that had the least common modalities of collection (yellow flesh, white skin, yellowish phelloderm and orange stem). Analysis of similarity / dissimilarity showed that clusters known as Sié, Bassié djélé4 and Djonan djonan of the current germplasm were close to different groups Cosca4, D14 and 256 of the existing collection.

Keywords: Cassava, Manihot esculenta, accession cluster, morphological characterization.

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