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Mutationsversuche an Kulturpflanzen

XII. Über das genetische Verhalten von frühreifen Gerstenmutanten

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Summary

The genetic behaviour of some X-ray induced early heading mutants of both spring and winter barley was studied. In crosses with original varieties all mutants showed monogenic segregation ratios in F2-generations. The early heading date of four mutants was found to be due to a dominant allele, while six mutants are dependent on recessive alleles.

In crosses of some mutants one with another four different loci for early heading were identified. For them the genetic symbolmat (matura) resp.Mat is proposed.

The combination-effect of two non-allelic genes is always additive and manifests itself in a marked transgression. Plants with such genotypes seem to be useless for breeding purposes.

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Mettin, D. Mutationsversuche an Kulturpflanzen. Der Züchter 31, 83–89 (1961). https://doi.org/10.1007/BF00709856

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  • DOI: https://doi.org/10.1007/BF00709856

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