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The inheritance of apetalous flower type in Petunia hybrida Vilm. and linkage tests with the genes for flower doubleness and grandiflora characters and its use in hybrid seed production

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Summary

Genetic analysis of a mutant flower form in petunia in which the normal corolla tube was replaced by a second set of sepals (apetalous condition) was studied in F1, F2, F3 and BC1 generations after crossing with inbred normal flowered lines. Segregation patterns observed in these generations indicated that this mutant flower type was a monogenic recessive trait. The genes D for flower doubleness and G for grandiflora plant and flower character segregated independent of the apetalous character. The gene for apetalous flower character has been designated as apt.

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Authors and Affiliations

  1. Department of Horticulture, Michigan State University, East Lansing, Michigan, USA

    K. C. Sink Jr.

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  1. K. C. Sink Jr.
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Michigan Agricultural Experiment Station Journal Article No 6272.

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Sink, K.C. The inheritance of apetalous flower type in Petunia hybrida Vilm. and linkage tests with the genes for flower doubleness and grandiflora characters and its use in hybrid seed production. Euphytica 22, 520–526 (1973). https://doi.org/10.1007/BF00036650

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  • DOI: https://doi.org/10.1007/BF00036650

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