After-ripening, stratification, and perigynia removal enhance pennsylvania sedge germination

Esther E. McGinnis, Mary H. Meyer

Research output: Contribution to journalArticlepeer-review

4 Scopus citations


Pennsylvania sedge (Carex pensylvanica) has horticultural and restoration potential, but the achenes are difficult to germinate due to complex dormancy requirements. This study identified treatments to overcome physiological dormancy and determined light and temperature requirements for optimum germination. We first tested the effects of perigynia removal and light on achene germination. In the second experiment, achenes were subjected to varying durations of dry-cold or dry-warm storage conditions and a presowing soak in gibberellic acid (GA3). In a third experiment, we studied whether storage conditions, cold stratification, and sowing temperatures affected germination. Pennsylvania sedge germination was improved by dry-warm storage, perigynia removal, cold stratification, and germination in light.

Original languageEnglish (US)
Pages (from-to)187-192
Number of pages6
Issue number2
StatePublished - Apr 2011


  • Achene
  • Carex pensylvanica
  • Cyperaceae
  • Dormancy
  • Propagation


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