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Zeitschrift für Vererbungslehre

, Volume 90, Issue 2, pp 231–243 | Cite as

Untersuchungen Über Interallele Wechselwirkungen II. «Superdominanz» BeiSilena Armeria L.

  • W. Seyffert
Article

Summary

Investigations made on diploid and experimentally produced autotetraploidSilene armeria have brought about the result, that the red flower colour of the diploid heterozygotes, first described byCorrens (1912), in contrast to the whitish and pink homozygotes, is likewise to be observed in the three tetraploid heterozygotes.

By means of colorimetric measurements it was possible to find a gene dosage effect on the tetraploid heterozygotes (vide Figs. 1 and 2, and Table 3). Paper chromatography of the flower colour pigments of the three diploid phenotypes did not yield any difference in the quality of the pigments. With biochemical methods, however, we found that the nearly colourless “albida”-types contain leuco-cyanidin, whereas in coloured flowers cyanidin glycosides occur instead of leuco-cyanidin.

The question is discussed, whether this phenomenon of heterosis depends on alleles, pseudoalleles or a complex-locus. The latter possibility is the most probable one.

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Copyright information

© Springer-Verlag 1959

Authors and Affiliations

  • W. Seyffert
    • 1
  1. 1.Institut für Vererbungs- und Züchtungsforschung der Technischen Universität BerlinBerlin-Dahlem

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