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Time of the S Allele Action

Abstract

THE genetic systems of self-incompatibility among the homomorphic flowering plants have been broadly subdivided into two groups1: (1) ‘gametophytic systems’ in which the pollen reaction is determined by the S allele contained in the pollen (Leguminosae, Scrophulariaceae, Solanaceae, Gramineae) and (2) ‘sporophytic systems’ in which the pollen reaction is determined sporophytically by the maternal S genotype.

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References

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PANDEY, K. Time of the S Allele Action. Nature 181, 1220–1221 (1958). https://doi.org/10.1038/1811220a0

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