Summary
Response frequencies in maize (Zea mays L.) anthers cultured in vitro were examined in a diallel set of crosses among four commercial inbred lines. Significant differences among the genotypes were observed, with the crosses H99xFR16 and Pa91xFR16 displaying the highest responses. General (GCA) and specific (SCA) combining ability mean squares were calculated and determined to be highly significant. GCA effects among the parental lines were highest for FR16 and lowest for LH38. Nongenotypic, plant-toplant differences were also found to make a significant contribution to the overall variation observed. The results from this study indicate that parents which give rise to highly responsive hybrids can be identified and that genetic improvement is possible through selection.
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Communicated by G. Wenzel
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Petolino, J.F., Thompson, S.A. Genetic analysis of anther culture response in maize. Theoret. Appl. Genetics 74, 284–286 (1987). https://doi.org/10.1007/BF00289982
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DOI: https://doi.org/10.1007/BF00289982