A quantitative analysis of seed dormancy and germination in the winter annual weed sinapis arvensis (Brassicaceae)

Elias Soltani, Carol C. Baskin, Jerry M. Baskin, Afshin Soltani, Serolla Galeshi, Farshid Ghaderi-far, Ebrahim Zeinali

Research output: Contribution to journalArticlepeer-review

19 Scopus citations


The aims of this study were to determine the effects of burial on germination and longevity, and of water stress and temperature on germination and dormancy induction of the weed Sinapis arvensis L. During exposure to the high temperatures of summer, seeds buried in the field became nondormant, but low water potential and supra-optimal temperatures (constant not alternating) induced them into secondary dormancy. The threshold temperature for dormancy induction (TTDI) was about 19 °C when water was not limiting germination, and it decreased with a slope of 10 °C per MPa as water potential decreased. Seeds had minimum dormancy (Dmin) when T < TTDI, and Dmin decreased by 81.5% per MPa increase in water potential. Dormancy induction increased linearly with a slope of 13.23% for each additional centimetre of burial depth from 1.0 to 5.19 cm. Dormancy was induced to its highest level (96%) in seeds buried at a depth of ≥5.19 cm; the remaining seeds were dead or were presumed to be dead Sinapis arvensis can form a persistent soil seed bank, and either water stress or conditions associated with increased burial depth can promote induction of secondary dormancy in the seeds.

Original languageEnglish
Pages (from-to)289-300
Number of pages12
Issue number4
StatePublished - 2016

Bibliographical note

Publisher Copyright:
© 2016, Published by NRC Research Press. All Rights Reserved.


  • Dormancy–nondormancy cycle
  • Hydrothermal time
  • Physiological dormancy
  • Seed burial depth

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Plant Science


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