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Additive and Non‐additive Genetic Correlations. II. Application to Data Obtained from a 12 × 12 Diallel Cross
Author(s) -
Hohls Trevor,
Clarke G. P. Y.,
Shanahan P. E.,
Gevers H. O.
Publication year - 1995
Publication title -
biometrical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.108
H-Index - 63
eISSN - 1521-4036
pISSN - 0323-3847
DOI - 10.1002/bimj.4710370805
Subject(s) - diallel cross , hybrid , selection (genetic algorithm) , biology , inbred strain , statistics , additive genetic effects , mathematics , correlation , microbiology and biotechnology , genetics , heritability , computer science , agronomy , gene , artificial intelligence , geometry
The proposed genetic correlation analysis, that involves the partitioning of the overall genetic correlation into an additive and a non‐additive component, has been applied to data obtained from a diallel experiment involving 12 white modified opaque‐2 maize inbred lines. The correlation analysis provided an insight into possible indirect selection strategies for the improvement of inferior kernel quality traits associated with the opaque‐2 gene. Direct selection for high yield and low vitreousness rating would provide an efficient selection strategy for the development of high‐yielding modified opaque‐2 maize hybrids with desirable endosperm traits. It was concluded that it is not necessary to conduct the density, hardness and breakability determinations.