Abstract:Recessive genic male sterility (RGMS) provides an effective approach for the commercial exploitation of heterosis, especially in Brassicacrops. Although some artificial RGMS mutants have been reported in B. rapa, no causal genes derived from these natural mutants have been identified so far. In this study, a spontaneous RGMS mutant Bcajh97-01A derived from the ‘Aijiaohuang’ line traced back to the 1980s was identified. Genetic analysis revealed that the RGMS trait was controlled by a single locus in the Bcajh9… Show more
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