Relational Incompatibility in Diploid and Tetraploid Lucerne

Abstract

CULTIVATED lucerne, Medicago sativa L., is a tetraploid (2n = 32) and in all probability is an autotetraploid. Both it and its wild, blue-flowered, diploid relative M. coerulea Less. display incomplete self-sterility. Genetical situations being so much simpler in diploids, a study was begun at this Institute to see whether a single-locus, multi-allele, oppositional system of self incompatibility was at work in M. coerulea, similar to that found in Trifolium pratense1.

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References

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FYFE, J. Relational Incompatibility in Diploid and Tetraploid Lucerne. Nature 179, 591–592 (1957). https://doi.org/10.1038/179591a0

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