Statistical and genetical analysis of yield and some related components in faba bean

Abstract: This investigation was carried out at New Valley Research Station during seasons to explore heterosis, inbreeding depression, heritability, nature of gene action and models controlling the genetic system of some faba bean traits.
Six populations (P1, P2, F1, F2, Bc1 and Bc2) of two faba bean crosses were used in this study. These crosses were Nubaria1 x Misr1 and Giza716 x Misr1. Analysis of variance showed significant differences among the generations for all traits. Scaling test showed that most studied characters were significant indicating the presence of non- allelic interactions. Dominance gene effects were generally higher in magnitude than additive ones in the two crosses, indicating that dominant genes playing important role in the inheritance of such traits beside the additive one. The second cross (Giza716 x Misr1) gave a highly significant (aa ) with negative values for all studied traits except100-seed weight these indicate that the materials used in this study have a decreasing alleles expression which makes it improving through selection in the early generations could not be effective.
Significant positive inbreeding depression values were detected for most studied traits. The two crosses gave high positive heterotic effect towards number of seeds/plant, seed yield and number of pods/plant with highest heritability in narrow sense and genetic advance, but the first cross (Nubaria1 x Misr1) has the highest values. Therefore, selection in these particular populations should be effective and satisfactory in the successful breeding purposes.
Keywords: Vicia faba, Genetic parameters, Heterosis, Heritability, Genetic advance, Six population's model, Gene action.
Publication year 2013
Pages 57-67
Organization Name
Author(s) from ARC
External authors (outside ARC)
    عزام عبد الرازق محمد عشرى قسم بحوث المحاصيل البقولية معهد بحوث المحاصيل الحقلية مركز البحوث الز راعية
    خالد محمد محمد يمانى قسم بحوث المحاصيل البقولية معهد بحوث المحاصيل الحقلية مركز البحوث الز راعية
    رحاب أحمد محمد عبد الرحمن قسم بحوث المحاصيل البقولية معهد بحوث المحاصيل الحقلية مركز البحوث الز راعية
    عادل الجارحى قسم بحوث المحاصيل البقولية معهد بحوث المحاصيل الحقلية مركز البحوث الز راعية
Publication Type Researsh & Applied Activities
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