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Variability in the expression of self-incompatibility in tuber-bearing diploid solanum species

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Summary

An intraspecific assessment of the variability in the expression of self-incompatibility was made since such information could be broadly 14 diploid species were used. Self-pollinations in the field were made on intact plants and in the greenhouse on cut-stems. Considerable variation in the self-incompatibility within families was observed. This is surprising since the majority of the diploid species are considered to be self-incompatible. Field pollinations resulted in some “self-compatibility” in 9 of 11 species tested, while 11 of 12 species tested under greenhouse conditions yielded individuals which set self-seed.

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Authors and Affiliations

  1. Departments of Horticulture and Genetics, University of Wisconsin, Madison, Wisconsin

    M. S. Cipar, S. J. Peloquin & R. W. Hougas

Authors
  1. M. S. Cipar
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  2. S. J. Peloquin
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  3. R. W. Hougas
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Additional information

Supported in part by the National Science Foundation and the Research Committee of the Graduate School from funds supplied by the Wisconsin Alumni Research Foundation. The seeds of theSolanum species were received from the Inter-regional Potato Introduction Project, Sturgeon Bay, Wisconsin.

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Cipar, M.S., Peloquin, S.J. & Hougas, R.W. Variability in the expression of self-incompatibility in tuber-bearing diploid solanum species. American Potato Journal 41, 155–162 (1964). https://doi.org/10.1007/BF02855317

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  • DOI: https://doi.org/10.1007/BF02855317

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