Chloroplast DNA variability in old and recently introduced potato cultivars

W. POWELL, E. BAIRD, N. DUNCAN, R. WAUGH

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26 Citations (Scopus)

Abstract

Chloroplast DNA (cpDNA) variability has been examined in a range of tetraploid European potato cultivars. The potato genotypes studied included primitive cultivars such as Lumpers (1806), Yam (1836), Myatts Ashleaf (1847) and more recently bred cultivars such as Brodick (1990). Three cpDNA pheno‐types were detected and these probably represent original introductions from South America into Europe. The most common cp phenotype was the T type cpDNA (Hosaka & Hanneman, 1988) characteristic of cultivars descended from cv. Rough Purple Chili. The presence of the T type cpDNA in the cultivar Yam indicates that this genotype which is of Andigena origin shares a common cytoplasm with other 5. tuberosum ssp. tuberosum clones which have a Chilean type cytoplasm. The implications of these results are discussed in relation to the origin of the T type cpDNA. Methods for increasing the cytoplasmic diversity of the cultivated potato gene pool are proposed.

Original languageEnglish
Pages (from-to)403-410
Number of pages8
JournalAnnals of Applied Biology
Volume123
Issue number2
DOIs
Publication statusPublished - 1 Jan 1993

Keywords

  • Chloroplast DNA
  • cytoplasm
  • diversity
  • potato
  • sterility

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