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Theor Appl Genet. 1987 Sep;74(5):633-41. doi: 10.1007/BF00288863.

A genetic analysis of cell culture traits in tomato.

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Department of Genetics, Agricultural University Wageningen, 53 Generaal Foulkesweg, NL-6703, BM Wageningen, The Netherlands.


Tomato genotypes superior in regenerating plants from protoplast and callus cultures were obtained by transferring regeneration capacity from Lycopersicon peruvianum into L. esculentum by classical breeding. The genetics of regeneration and callus growth have been studied in selfed and backcross progenies of a selected plant (MsK93) which has 25% L. peruvianum in its ancestry. Segregation data showed that the favourable cell culture traits of L. peruvianum are dominant. Regeneration capacity from established callus cultures was controlled by two dominant genes. Callus growth on primary expiants, callus growth of established cultures and shoot regeneration from explants had high heritabilities (0.47, 0.78, 0.87, respectively). Callus growth and regeneration capacity were not correlated within the populations studied.


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