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Genetic Resources and Crop Evolution

, Volume 56, Issue 7, pp 991–1000 | Cite as

Collection and characterization of yellow endosperm sorghums from West Africa for biofortification

  • M. G. Salas Fernandez
  • I. Kapran
  • S. Souley
  • M. Abdou
  • I. H. Maiga
  • C. B. Acharya
  • M. T. Hamblin
  • S. KresovichEmail author
Research Article

Abstract

Sorghum is a good candidate crop for breeding to increase provitamin A, i.e., biofortification. Yellow endosperm sorghums contain carotenoids, including precursors of vitamin A, and sorghum is a major staple crop in areas of Asia and Africa where vitamin A deficiency is prevalent. Our objective was to collect and characterize yellow endosperm sorghums as a potential new source of genetic diversity to increase provitamin A content. A set of 164 landraces were collected from southern Niger and northern Nigeria. The most important use of these cultivars was as food. The endosperm exhibited a significant variation in yellow intensity. Lutein, zeaxanthin and β-carotene were the most abundant carotenoids in the ten landraces with the most intense yellow color. Cluster analysis, principal coordinate analysis and population differentiation test revealed that this set of 164 landraces represent a new genetic pool that might increase the genetic diversity of yellow endosperm sorghums in applied breeding programs.

Keywords

Carotenoids Genetic diversity Provitamin A Sorghum bicolor 

Abbreviations

HPLC

High performance liquid chromatography

PIC

Polymorphic information content

QTL

Quantitative trait loci

SSR

Simple sequence repeat

Notes

Acknowledgements

We thank Ross Welch, Ying Hu, Laurence Heller and Li Li for assistance with carotenoid analysis and quantification.

Supplementary material

10722_2009_9417_MOESM1_ESM.xls (24 kb)
(XLS 23 kb)
10722_2009_9417_MOESM2_ESM.xls (22 kb)
(XLS 21 kb)

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • M. G. Salas Fernandez
    • 1
    • 5
  • I. Kapran
    • 2
  • S. Souley
    • 2
  • M. Abdou
    • 2
  • I. H. Maiga
    • 2
  • C. B. Acharya
    • 1
  • M. T. Hamblin
    • 3
  • S. Kresovich
    • 4
    Email author
  1. 1.Department of Plant Breeding and Genetics, Institute for Genomic DiversityCornell UniversityIthacaUSA
  2. 2.Institut National de la Recherche Agronomique du Niger (INRAN)NiameyNiger
  3. 3.Institute for Genomic DiversityCornell UniversityIthacaUSA
  4. 4.Institute for Genomic DiversityCornell UniversityIthacaUSA
  5. 5.Agronomy DepartmentIowa State UniversityAmesUSA

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