Self-incompatibility was studied in marrow-stem kale (Brassica oleracea var.acephala). Data from intra-family pollinations and from pollinations between progeny and parents are given and analysed for two crosses and three inbred lines.
The incompatibility system is one with a sporophytic and not gametophytic control of pollen and style reactions.
There is a multiple series of S alleles. Dominance of one allele over another may be found in the pollen or in the style, or the two alleles may be active in both pollen and style. The relationship between two alleles is not necessarily the same in pollen and style.
Self-compatibility and pseudo-compatibility are discussed briefly.
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Thompson, K.F. Self-incompatibility in marrow-stem kale,brassica oleracea var.acephala I. Demonstration of a sporophytic system. J Genet 55, 45–60 (1957). https://doi.org/10.1007/BF02981615
- Parent Plant
- Incompatibility Group
- Compatible Pollination
- Incompatible Pollination