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Codominant isoenzymic alleles as markers of genetic diversity correlated with heterosis in maize (Zea mays)

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Summary

The average F1 yields were found to be significantly correlated with the genetic diversity of the parental strains calculated from the zymogram patterns of five enzyme systems in a sample of eight strains and their diallelic crosses.

Despite the relatively small number of loci (eight) studied, there is evidence that these codominant alleles are good markers for genetic heterogeneity that is a source of heterosis.

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Authors and Affiliations

  1. Departamento de Genética, Universidade Federal do Rio Grande do Sul, Brazil

    E. Heidrich-Sobrinho & A. R. Cordeiro

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  1. E. Heidrich-Sobrinho
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  2. A. R. Cordeiro
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Additional information

Communicated by R.C. Lewontin

This work was supported by grants from the Conselho Nacional de Pesquisas, Fundação de Amparo à Presquisa do Estado do Rio Grande do Sul and Rockefeller Foundation. The technical help of Mrs. Emma Gladis Corrêa is acknowledged.

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Heidrich-Sobrinho, E., Cordeiro, A.R. Codominant isoenzymic alleles as markers of genetic diversity correlated with heterosis in maize (Zea mays). Theoret. Appl. Genetics 46, 197–199 (1975). https://doi.org/10.1007/BF00281670

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  • DOI: https://doi.org/10.1007/BF00281670

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