Variability, heritability and genetic advance in tef (Eragrostis tef (Zucc.) Trotter) cultivars

Hailu Tefera Seyfu Ketema, Tesfaye Tesemma

Abstract


Analysis of variance for ten quantitative characters in tef plants showed significant (P<0.001) differences in each of them, indicating the existence of variability and hence the potential for improvement of the characters through breeding. Cultivars with very loose, fairly loose and semi-compact panicle forms were found to be better yielding compared with the very compact forms. Therefore, panicle form can be used as a criterion for yield selection in tef. Spikelets per main panicle, grains per main panicle, kernel weight per main panicle, productive tillers and panicle length were found to have a high genotypic coefficient of variability, high heritability and high genetic advance as a percentage of the mean. This shows that effective selection for improvement of these characters is possible in tef.

Keywords


Tef; Eragrostis tef, Variability; Heritability; Genetic advance; Selection; Improvement

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