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Mendelian inheritance of introrse orientated anthers in Brassica rapa

Author

Listed:
  • Jaroslav Salava

    (Crop Research Institute, Prague-Ruzyně, Czech Republic)

  • Derek Lydiate

    (Saskatoon Research Centre, Molecular Genetics Section, Agriculture and Agri-Food Canada, Saskatoon, Canada)

Abstract

The inheritance of anther orientation of 154 individuals from two B1 populations of Brassica rapa (syn. Brassica campestris) was evaluated under controlled conditions in a greenhouse. The anther orientation was evaluated visually at the time of fully open flowers. The observed extrorse:introrse ratios were 1 : 1 in R-o-18 × (R-o-18 × RM29) population and 3 : 1 in R-o-18 × (R-o-18 × R c-50) population. It was concluded that this trait is controlled by two duplicated pairs of genes (A1, A2) for extrorse anthers, either of which can produce extrorse anthers when a single dominant allele is present. Introrse anthers result when all alleles at both loci are recessive.

Suggested Citation

  • Jaroslav Salava & Derek Lydiate, 2022. "Mendelian inheritance of introrse orientated anthers in Brassica rapa," Czech Journal of Genetics and Plant Breeding, Czech Academy of Agricultural Sciences, vol. 58(3), pages 162-165.
    • Handle: RePEc:caa:jnlcjg:v:58:y:2022:i:3:id:107-2021-cjgpb
    DOI: 10.17221/107/2021-CJGPB
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