Abstract
The incompatibility system of Sinapis arvensis L. was studied in a wild population from farmland in the Gower Peninsula, South Wales, using the pollen-stigma surface reaction as a measure of the compatibility or otherwise of a cross. No self-compatibility was found. The results obtained are consistent with the hypothesis that S. arvensis has a single-locus, multiallelic sporophytic incompatibility system similar to that found in other crucifers. Both dominance and independent action of alleles occurred in the pollen and stigma. Fourteen different S-alleles were found in a sample of ten plants collected from a single field, indicating the occurrence of a minimum number of 24 S-alleles in the population.
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Ford, M., Kay, Q. The genetics of incompatibility in Sinapis arvensis L.. Heredity 54, 99–102 (1985). https://doi.org/10.1038/hdy.1985.12
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DOI: https://doi.org/10.1038/hdy.1985.12
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