Chromosome variation in protoplast-derived potato plants

A - Papers appearing in refereed journals

Karp, A., Nelson, R. S., Thomas, E. and Bright, S. W. J. 1982. Chromosome variation in protoplast-derived potato plants. Theoretical and Applied Genetics. 63 (3), pp. 265-272.

AuthorsKarp, A., Nelson, R. S., Thomas, E. and Bright, S. W. J.

Chromosomes have been studied in protoplast-derived potato plants of the tetraploid cultivars Maris Bard and Fortyfold. A high degree of aneuploidy was found amongst the regenerants of both cultivars but the nature of the chromosome variation differed. The Maris Bard regenerants were characterised by high chromosome numbers, a wide range of aneuploidy (46–92) and a low percentage of plants with the normal chromosome number (2n = 48), whereas a much higher proportion of the Fortyfold regenerants had 48 chromosomes and the variants were within a more limited aneuploid range. In both cultivars chromosome variation was found between calluses, within calluses and even within shoot cultures. The origin of the chromosome variation and the differences found between the two cultivars are discussed.

Year of Publication1982
JournalTheoretical and Applied Genetics
Journal citation63 (3), pp. 265-272
Digital Object Identifier (DOI)
Open accessPublished as non-open access
FunderBiotechnology and Biological Sciences Research Council

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