Characterization of Phenotypic Diversity of Sorghum Collection for Developing Breeding Material

T. Guèye, Bassirou Sine, Ndiaga Cisse, Cyril Diatta and Saliou Ndiaye

International Journal of Sciences, 2016, vol. 5, issue 02, 38-48

Abstract: Agro-morphological characterization of sorghum collection in Senegal showed a wide range of variation, linked to traits like plant duration, plant height, and yield components. Sorghum accessions or landrace characterized by short duration, high, and low-medium yield components are the most represented in the collection. Simple correlations between variables of different types relating to phenology, vegetative growth, and yield components are very different, showing a relative independence of characters, and thus a wide phenotypic diversity. This diversity can be explained by plant duration, plant height, grain weight per foot, and the shape of the panicle. From these agro-morphological characteristics, varietal groups based on similarity were identified and accessions with interesting agro-morphological characteristics clustered. Racially diversity, dominated by Guinea, caudatum and Durra are also observed. This collection is an interesting breeding material for improving sorghum.

Keywords: Sorghum; landrace; phenotypic diversity; plant improvment (search for similar items in EconPapers)
Date: 2016
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DOI: 10.18483/ijSci.931

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