A model plant for vernalization studies

Gerard Engelen-Eigles, John E. Erwin

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


Vernalization requirements of Raphanus sativus L. 'Early 40 Days', 'Chinese Radish Jumbo Scarlet', 'Everest', and 'Minowase Early Long White' were studied to determine their potential as model plants for vernalization studies. Leaf number below the inflorescence and days to anthesis decreased as vernalization time increased from 0 to 15 days at 6.5°C for all cultivars. 'Early 40 Days', 'Everest', and 'Minowase Early Long White' flowered but 'Chinese Radish Jumbo Scarlet' did not flower under long-day-conditions (inductive) at 18°C without vernalization, i.e. 'Chinese Radish Jumbo Scarlet' has an obligate vernalization requirement. 'Chinese Radish Jumbo Scarlet' was completely vernalized in 5-10 days. Use of 'Chinese Radish Jumbo Scarlet' as a model plant for vernalization studies is discussed.

Original languageEnglish (US)
Pages (from-to)197-202
Number of pages6
JournalScientia Horticulturae
Issue number2-3
StatePublished - Jul 1997

Bibliographical note

Funding Information:
Minn. Agr. Exp. Stat. No. 21,568. The authors appreciate the donation of seed by American Takii. The authors also wish to acknowledge financial assistance from the Minnesota Agriculture Experiment Station, the Minnesota Extension Service, the F.C. Gloeckner Foundation, the Easter Lily Foundation, The Minnesota Commercial Flower Growers Association, and the Widmer Fund.


  • Flower induction
  • Japanese radish
  • Photoperiod
  • Raphanus sativus L.
  • Stem elongation


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