Abstract
IT is customary when classifying breeding systems in Angiosperms to make a clear distinction between three main mechanisms promoting outbreeding. These are incompatibility in hermaphrodites, and separation of the sexes oh the same plant (monœcy) or on different plants (diœcy). With incompatibility and diœcy outcrossing is obligatory. On the othe hand, separation of the sexes on monœcious plants merely decreases the probability of self-fertilization, although this may be further avoided by differences in time of maturity of the two types of flower.
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GODLEY, E. Monœcy and Incompatibility. Nature 176, 1176–1177 (1955). https://doi.org/10.1038/1761176b0
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DOI: https://doi.org/10.1038/1761176b0
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