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Genetic diversity assessment of sorghum (Sorghum bicolor (L.) Moench) accessions using single nucleotide polymorphism markers

Plant genetic resources: characterization and utilization, 2019-10, Vol.17 (5), p.412-420 [Peer Reviewed Journal]

Copyright © NIAB 2019 ;ISSN: 1479-2621 ;EISSN: 1479-263X ;DOI: 10.1017/S1479262119000212

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Title:
Genetic diversity assessment of sorghum (Sorghum bicolor (L.) Moench) accessions using single nucleotide polymorphism markers
Author: Afolayan, G. ; Deshpande, S. P. ; Aladele, S. E. ; Kolawole, A. O. ; Angarawai, I. ; Nwosu, D. J. ; Michael, C. ; Blay, E. T. ; Danquah, E. Y.
Subjects: Agronomy ; Alleles ; Aridity ; Biotechnology ; Breeding ; Clustering ; Crop improvement ; Deoxyribonucleic acid ; DNA ; Gene banks ; Gene polymorphism ; Genetic diversity ; Genetic resources ; Genomes ; Germplasm ; Markers ; Morphology ; Nucleotides ; Polymorphism ; Single-nucleotide polymorphism ; Software ; Sorghum ; Sorghum bicolor ; Tropical environments
Is Part Of: Plant genetic resources: characterization and utilization, 2019-10, Vol.17 (5), p.412-420
Description: Sorghum (Sorghum bicolor (L.) Moench) is an important resource to the national economy and it is essential to assess the genetic diversity in existing sorghum germplasm for better conservation, utilization and crop improvement. The aim of this study was to evaluate the level of genetic diversity within and among sorghum germplasms collected from diverse institutes in Nigeria and Mali using Single Nucleotide Polymorphic markers. Genetic diversity among the germplasm was low with an average polymorphism information content value of 0.24. Analysis of Molecular Variation revealed 6% variation among germplasm and 94% within germplasms. Dendrogram revealed three groups of clustering which indicate variations within the germplasms. Private alleles identified in the sorghum accessions from National Center for Genetic Resources and Biotechnology, Ibadan, Nigeria and International Crop Research Institute for the Semi-Arid Tropics, Kano, Nigeria shows their prospect for sorghum improvement and discovery of new agronomic traits. The presence of private alleles and genetic variation within the germplasms indicates that the accessions are valuable resources for future breeding programs.
Publisher: Cambridge, UK: Cambridge University Press
Language: English
Identifier: ISSN: 1479-2621
EISSN: 1479-263X
DOI: 10.1017/S1479262119000212
Source: ProQuest Central

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Genetic diversity assessment of sorghum (Sorghum bicolor (L.) Moench) accessions using single nucleotide polymorphism markers

Copyright © NIAB 2019 ;ISSN: 1479-2621 ;EISSN: 1479-263X ;DOI: 10.1017/S1479262119000212

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