Genetic Variability of Tef [ Eragrostis Tef (Zucc.) Trotter] Genotypes for Acid Soil Tolerance

Misgana Merga*, Hussein Mohammed and Kebebew Assefa
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Misgana Merga*: Ethiopian Institute of Agricultural Research, Assosa Agricultural Research Center, Assosa, Ethiopia
Hussein Mohammed: Department of Plant and Horticultural Science, Hawassa University, Hawassa, Ethiopia
Kebebew Assefa: Ethiopian Institute of Agricultural Research, Debre-Zeit Agricultural Research Center, Debre-Zeit, Ethiopia

Journal of Agriculture and Crops, 2019, vol. 5, issue 9, 162-171

Abstract: Genetic variability studies provide basic information for breeders to develop different stress-tolerant varieties. In the present study, forty-nine Tef genotypes were evaluated under strong acid soil (pH 4.97) and lime treated (pH 5.90) soils in the lathouse at Assosa Agricultural Research Center in 2017 to estimate the genetic variability, heritability and genetic advance of various traits of tef genotypes in relation to soil acidity stress. The result indicated that there was high significant (p 20%) for fertile tillers per plant, panicle weight, yield of primary panicle, grain yield, and harvest index under both acidity levels and in the combined analysis. Heritability was high (>60%) for all traits except for shoot biomass in the combined analysis and lime treated soil. In general, there was wide genetic variability in the traits studied pointing to the possibility of improving the desired traits, including grain yield under both environments and over environments through the selection of elite genotypes.

Keywords: Acid tolerance; Genetic advance; Genetic variability; Heritability. (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:arp:jacarp:2019:p:162-171

DOI: 10.32861/jac.59.162.171

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