Genetic Diversity and Population Structure of Tef [<em>Eragrostis tef</em> (Zucc.) Trotter] as Revealed by SSR Markers | OMICS International| Abstract
ISSN: 2329-8863

Advances in Crop Science and Technology
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  • Research Article   
  • Adv Crop Sci Tech 2020,
  • DOI: 10.4172/2329-8863.1000438

Genetic Diversity and Population Structure of Tef [Eragrostis tef (Zucc.) Trotter] as Revealed by SSR Markers

Habte Jifar1*, Kifle Dagne2, Kassahun Tesfaye3, Kebebew Assefa4 and Zerihun Tadele5
1Department of Crop Breeding and Genetics, Ethiopian Institute of Agricultural Research, Holetta, P O Box 31, Ethiopia
2Department of Microbial, Cellular and Molecular Biology, Addis Ababa University, Addis Ababa, Ethiopia
3Department of Biotechnology, Ethiopian Biotechnology Institute, Addis Ababa, Ethiopia
4Department of Crop Breeding and Genetics, Ethiopian Institute of Agricultural Research, Debre Zeit, P O Box 32, Ethiopia
5Institute of Plant Sciences, University of Bern, Altenbergrain 21, 3013 Bern, Switzerland
*Corresponding Author : Habte Jifar, Department of Crop Breeding and Genetics, Ethiopian Institute of Agricultural Research, Holetta, P O Box 31, Ethiopia, Tel: +251-917-807238, Email: [email protected]

Received Date: Jan 21, 2020 / Accepted Date: Feb 05, 2020 / Published Date: Feb 12, 2020


Tef [Eragrostis tef (Zucc.) Trotter] is an indigenous cereal crop widely cultivated and utilized in Ethiopia. Its grain provides healthy and nutritious human diet while the straw is used as livestock feed. This study was designed to analyze the genetic diversity and population structure of 189 tef genotypes including improved varieties, breeding lines and pure lines derived from germplasm collections using 10 SSR primer pairs. All studied primer pairs were polymorphic and generated a total of 168 alleles with the number of alleles; polymorphic information content and gene diversity per locus ranging from 2 to 26, 0.30 to 0.92 and 0.38 to 0.90 respectively. North Shewa and West Shewa populations had the highest gene diversity unlike breeding lines which had lowest values of all genetic parameters. Analysis of molecular variance revealed 55%, 42% and 3% of the total variation due to variation within individual, among individuals and among populations, respectively. Cluster analysis grouped both populations and individual genotypes into five major clusters. Structure bar-plot also inferred five gene pools, but with high level of admixtures. This study generally revealed substantial variations among the studied genotypes to be used in future tef improvement.

Keywords: Eragrostis tef ; Genetic diversity; SSR markers; Population structure

Citation: Jifar H, Tesfaye K, Dagne K, Assefa K, Tadele Z (2020) Genetic Diversity and Population Structure of Tef [Eragrostis tef (Zucc.) Trotter] as Revealed by SSR Markers. Adv Crop Sci Tech 8: 438. Doi: 10.4172/2329-8863.1000438

Copyright: © 2020 Jifar H, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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