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Inheritance of incompatibility in hybrids between Solanum tuberosum haploids and diploid species

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Abstract

The inheritance of self-incompatibility in two South American cultivated diploid species, Solanum phureja and S. stenotomum subsp. stenotomum, conforms with the Nicotiana scheme of oppositional S alleles. Similar studies in hybrids between S. phureja and a haploid (US-W 253) derived from S. tuberosum subsp. andigena were explained on the assumption of S alleles at homologous loci. The cut-stem technique employed in haploid extraction was used to facilitate the analyses. Maintenance of a series of heterozygous S allele testers is accomplished via matings with a clone homozygous for the S allele common to the series. True seed obtained from such crosses consists of only the desired S genotype.

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Departments of Horticulture and Genetics, University of Wisconsin

Paper No. 951 from the Department of Genetics, College of Agriculture, University of Wisconsin. 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.

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Cipar, M.S., Peloquin, S.J. & Hougas, R.W. Inheritance of incompatibility in hybrids between Solanum tuberosum haploids and diploid species. Euphytica 13, 163–172 (1964). https://doi.org/10.1007/BF00033305

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  • DOI: https://doi.org/10.1007/BF00033305

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