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. 1983 Jun;65(4):329-38.
doi: 10.1007/BF00276573.

Phenotypic variation and ploidy level of plants regenerated from protoplasts of tetraploid potato (Solanum tuberosum L. cv. 'Bintje')

K Sree Ramulu  1 , P Dijkhuis, S Roest
Affiliations

Phenotypic variation and ploidy level of plants regenerated from protoplasts of tetraploid potato (Solanum tuberosum L. cv. 'Bintje')

K Sree Ramulu et al. Theor Appl Genet. 1983 Jun.

Abstract

A wide range of phenotypic variation occurred among protoplast - derived plants of tetraploid potato cultivar 'Bintje'. The variant plants had alterations in growth and vigour, and in leaf and stem characteristics. The results suggest that the altered morphologies are caused predominantly by changes in ploidy levels. Some alterations could be attributed typically to octoploidy and aneuploidy. The occurrence of mixoploidy indicates that at least part of the observed variation arose during culture stage. The exogeneous cytokinin or auxin level and their combination during in vitro phase influenced the frequency of the variants observed. The origin of variation is discussed.

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