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Research ArticleRefereed Research

Seed propagation protocol for Carex pensylvanica

Alexis C Doshas, Cathryn (Cayte) McDonough and K Miho Connolly
Native Plants Journal, March 2021, 22 (1) 45-50; DOI: https://doi.org/10.3368/npj.22.1.45
Alexis C Doshas
Native Plant Trust, Nasami Farm, 128 North Street, Whately, MA 01373
Roles: Propagator
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  • For correspondence: [email protected]
Cathryn (Cayte) McDonough
Native Plant Trust, Nasami Farm, 128 North Street, Whately, MA 01373
Roles: Nursery Manager
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  • For correspondence: [email protected]
K Miho Connolly
Native Plant Trust, Nasami Farm, 128 North Street, Whately, MA 01373
Roles: Propagation Assistant
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  • For correspondence: [email protected]
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Abstract

Pennsylvania sedge (Carex pensylvanica Lam. [Cyperaceae]) is difficult to propagate from seed, which makes it challenging to find genetically diverse seed-grown stock in the horticultural trade. We conducted trials to determine the effectiveness of 3 treatments on germination of Carex pensylvanica seed: perigynium manipulation, sowing depth, and warm stratification. The highest germination rates (68–72%) were found in seeds that underwent a 12-wk warm-stratification period prior to being sown. Further, among the warm-stratified seeds, seeds that were treated with a light cover of soil media had better germination rates than seeds that were surface sown. Perigynium manipulation did not result in improved germination. A second-year study confirmed our results. Improved seed germination of Carex pensylvanica will contribute to a greater supply of genetically diverse plant material in the trade and in our landscapes.

KEY WORDS
  • perigynium
  • warm stratification
  • sowing depth
  • Cyperaceae
NOMENCLATURE
  • USDA NRCS (2020)
  • Copyright © 2021 the Board of Regents of the University of Wisconsin System

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Native Plants Journal: 22 (1)
Native Plants Journal
Vol. 22, Issue 1
20 Mar 2021
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Seed propagation protocol for Carex pensylvanica
Alexis C Doshas, Cathryn (Cayte) McDonough, K Miho Connolly
Native Plants Journal Mar 2021, 22 (1) 45-50; DOI: 10.3368/npj.22.1.45

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Seed propagation protocol for Carex pensylvanica
Alexis C Doshas, Cathryn (Cayte) McDonough, K Miho Connolly
Native Plants Journal Mar 2021, 22 (1) 45-50; DOI: 10.3368/npj.22.1.45
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Keywords

  • perigynium
  • warm stratification
  • sowing depth
  • Cyperaceae
  • USDA NRCS (2020)
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