Abstract
An F1 population consisting of 51 genotypes, derived from two unresponsive parental lines ofSolanum chacoense Bitt., was examined for shoot regeneration from leaf explants. Fourteen genotypes failed to respond whereas, among the responsive genotypes, four produced multiple shoots on over 90% of the explants. Estimates of broad-sense heritability were high for both frequency of responsive explants (83%) and the number of shoots per responsive explant (82%). The segregation of the F1 hybrid progeny was in agreement with the theoretical ratios of a genetic model for tissue culture responsiveness involving three unlinked genes. This study confirms earlier findings concerning the genetic control ofin vitro shoot regeneration from leaf explants inS. chacoense.
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Van Sint Jan, V., Laublin, G., Birhman, R.K. et al. Genetic analysis of leaf explant regenerability inSolanum chacoense . Plant Cell Tiss Organ Cult 47, 9–13 (1996). https://doi.org/10.1007/BF02318960
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DOI: https://doi.org/10.1007/BF02318960