Summary
Solanum verrucosum is a diploid (2n=24) wild potato species from Mexico. It is self-compatible, but in greenhouse artificial selfing is mostly necessary for seed setting. The species has a good male and female fertility and possesses resistance to different races and isolates of Phytophthora infestans. It is easily crossable with different species from South America. The good crossability, the genomic constitution and resistance to diseases favour its use in potato breeding at the diploid level.
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References
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Abdalla, M.M.F., Hermsen, J.G.T. An evaluation of Solanum verrucosum Schlechtd. For its possible use in potato breeding. Euphytica 22, 19–27 (1973). https://doi.org/10.1007/BF00021551
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DOI: https://doi.org/10.1007/BF00021551