Genetic Gain in Grain Yield Potential and Associated Traits of Tef [Eragrostistef (Zucc.)Trotter] in Ethiopia

Genetic Gain in Grain Yield Potential and Associated Traits of Tef [Eragrostistef (Zucc.)Trotter] in Ethiopia

Fano Dargo

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Firew Mekbib

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Kebebew Assefa

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Jigjiga University

Genetic Gain in Grain Yield Potential and Associated Traits of Tef [Eragrostistef (Zucc.)Trotter] in Ethiopia

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Abstract

Evaluation of varieties from different years in a common environment is the most direct of the several methods that have been used to estimate breeding progress. 33 tef varieties released in Ethiopia since 1970 till now were evaluated at DebreZeit and Melkassa Agricultural Research Centers to estimate the amount of genetic gain made over time in grain yield potential and associated characters. The varieties were laid out in a randomized complete block design with three replications in 2012 cropping season. Analysis of variance revealed significant differences among varieties for all traits except hundred seed weight on both locations.Grain yield was increased from 3848.68 kg ha -1 to 4934.4kg ha -1 over the past 42 years. The average annual rate of increase per year for the period of 1970-2012 was estimated from the linear regression of mean grain yield on year of variety release was 21.53 kg ha -1 with a relative genetic gain of 0.56% year -1 which was highly significantly different from zero.

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Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

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How to Cite This Article

Fano Dargo. 2016. \u201cGenetic Gain in Grain Yield Potential and Associated Traits of Tef [Eragrostistef (Zucc.)Trotter] in Ethiopia\u201d. Global Journal of Science Frontier Research - D: Agriculture & Veterinary GJSFR-D Volume 16 (GJSFR Volume 16 Issue D6).

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GJSFR Volume 16 Issue D6

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Journal Specifications

Crossref Journal DOI 10.17406/GJSFR

Print ISSN 0975-5896

e-ISSN 2249-4626

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GJSFR-D Classification FOR Code: 079999

Submission ReceivedJune 28, 2016
Peer Review Double Blind
Handling Editor
Accepted July 26, 2016
Published August 10, 2016

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August 31, 2016

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Article Matrices

Total Score: 73

Country: Ethiopia

Subject: Global Journal of Science Frontier Research - D: Agriculture & Veterinary

Authors: Fano Dargo, Firew Mekbib, Kebebew Assefa (PhD/Dr. count: 0)

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Publish Date: 2016 08, Wed

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Total Views: 3731

Total Downloads: 1816

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