Potato Research

, Volume 48, Issue 3–4, pp 153–165 | Cite as

Somaclonal variation in tuber traits of potato

  • Ramona Thieme
  • Helmut Griess
Full Papers


About 13,000 somaclones of 17 cultivars and clones of potato were obtained from in vitro callus cultures and individually planted in a greenhouse, followed by tuber generations grown in the field. These plants were subjected to the multistage selection procedure commonly used in potato breeding. Over a period of five years and three field generations the tuber number, size, shape, eye depth, starch content, starch yield and tuber appearance of these somaclones were assessed and compared with that of the controls. These characters varied depending on donor genotype and trait. The frequency of variants was assessed and there were acceptable proportions of desirable abberrants and invariants among the somaclones. Depending on trait the average gain rate for all donor genotypes ranged between 0.2 and 2.3% for-deviants, between 12.2 and 15.5% for invariants and between 0.1–1.4% for +deviants.

It is concluded that this technique should be used into potato breeding programmes to improve commercially important characteristics of specific cultivars and breeding clones.

Additional keywords

Solanum tuberosum L. callus culture tuber yield tuber size starch content starch yield tuber shape eye depth 


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Copyright information

© Kluwer Academic Publishers 2005

Authors and Affiliations

  • Ramona Thieme
    • 1
  • Helmut Griess
    • 2
  1. 1.Federal Centre for Breeding Research on Cultivated PlantsInstitute of Agricultural CropsGroß LüsewitzGermany
  2. 2.Groß LüsewitzGermany

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