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Abstract
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Article Information:
Genetic Variability and Heritability Studies in F4 Progenies of Tef (Eragrostis tef)
Abel Debebe, Harijat Singh and Hailu Tefera
Corresponding Author: Abel Debebe
Submitted: March 10, 2012
Accepted: March 30, 2012
Published: May 05, 2012 |
Abstract:
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The present investigation was conducted on F2-derived F4 bulk families of three crosses, viz, DZ-01-
974 × DZ-01-2786, DZ-01-974 × DZ-Cr-37 and Alba x Kaye Murri. To estimate genetic variability,
heritability, genetic advance; to assess cross performance, 63 F4 families were taken randomly from each of the
three crosses. The 189 F4 families, five parents and two checks were space planted following in 14×14 simple
lattice design at two locations, namely, Debre Zeit and Akaki. The F4 families differed significantly for all the
eleven agronomic characters studied except hundred kernel weight at both locations. At Debre Zeit, the families
of the cross DZ-01-974 × DZ-Cr-37 were the highest yielders and at Akaki, the families of the cross DZ-01-974
× DZ-01-2786 were the highest yielders. Heritability and genetic advance were high for grain yield, harvest
index and lodging index at Debre Zeit. At Akaki, heritability and genetic advance were high for lodging index,
grain yield, plant height and days to heading.
Key words: Genetic advance, genetic variability, heritability, lodging index, tef (Eragrostis tef), ,
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Cite this Reference:
Abel Debebe, Harijat Singh and Hailu Tefera, . Genetic Variability and Heritability Studies in F4 Progenies of Tef (Eragrostis tef). Asian Journal of Agricultural Sciences, (3): 225-228.
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ISSN (Online): 2041-3890
ISSN (Print): 2041-3882 |
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