Czech J. Genet. Plant Breed., 2022, 58(3):162-165 | DOI: 10.17221/107/2021-CJGPB

Mendelian inheritance of introrse orientated anthers in Brassica rapaOriginal Paper

Jaroslav Salava ORCID...*,1, Derek Lydiate2
1 Crop Research Institute, Prague-Ruzyně, Czech Republic
2 Saskatoon Research Centre, Molecular Genetics Section, Agriculture and Agri-Food Canada, Saskatoon, Canada

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.

Keywords: anther orientation; Brassica campestris; chi-square test; Chinese cabbage; mating system; turnip rape; yellow sarson

Published: June 13, 2022  Show citation

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Salava J, Lydiate D. Mendelian inheritance of introrse orientated anthers in Brassica rapa. Czech J. Genet. Plant Breed. 2022;58(3):162-165. doi: 10.17221/107/2021-CJGPB.
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