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Genetics and Molecular Biology

Print version ISSN 1415-4757On-line version ISSN 1678-4685


PACHECO, Cleso Antônio Patto; CRUZ, Cosme Damião  and  SANTOS, Manoel Xavier dos. Association between Griffing's diallel and the adaptability and  stability of Eberhart and Russel. Genet. Mol. Biol. [online]. 1999, vol.22, n.3, pp.451-456. ISSN 1415-4757.

The objective of the present work was to provide a methodology to study the inheritance of adaptability and stability through the breakdown of Eberhart and Russell regression coefficients and regression deviations in effects due to the mean and additive genetic effects (gi's and gj's) as well as dominance effects (sij's) of Griffing´s methodology, when the diallel is conducted in several environments. It was concluded that the adaptability and stability parameters are determined in the same manner as are genetic effects. So an F1 cross inherits half the general combining ability (GCA) mean effect from each parent, while the effects due to specific combining ability (SCA) are subjected to the same considerations relative to sij's, i.e., they are dependent on specific combinations.

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