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Research ArticleGeneral Technical

Case study of in situ seed harvesting in restored grasslands to increase native seed availability

Derek Tilley, Christine Taliga and Charlie Bair
Native Plants Journal June 2018, 19 (2) 109-117; DOI: https://doi.org/10.3368/npj.19.2.109
Derek Tilley
, Plant Materials Center Manager, USDA Natural Resources Conservation Service, Aberdeen Plant Materials Center, PO Box 296, Aberdeen, ID 83210,
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  • For correspondence: [email protected]
Christine Taliga
, Revegetation Technical Adviser to National Park Service, USDA Natural Resources Conservation Service, 12795 West Alameda Parkway, Rm 252, Lakewood, CO 80228,
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Charlie Bair
, Biological Science Technician, USDA Natural Resources Conservation Service, Aberdeen Plant Materials Center, PO Box 296, Aberdeen, ID 83210,
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Abstract

We used a Woodward Flail-Vac seed harvester to harvest slender wheatgrass (Elymus trachycaulus (Link) Gould ex Shinners [Poaceae]) from a restored grassland at Grand Teton National Park. Seed was harvested over 3 continuous d, covering an area of approximately 5.5 ha (13.6 ac). Total seed yield was 291 bulk kg (642 bulk lb) or equivalent to 53 bulk kg/ha (47 bulk lb/ac). Estimated hours of labor for 3 d of harvesting plus time processing at the Aberdeen Natural Resources Conservation Service Plant Materials Center totaled 120 h. When comparing the resources and environmental inputs required for in situ seed harvesting to the conventional native seed production, given an appropriate setting, in-field seed harvesting may offer a viable additional method to supplement the need for native seed. In addition, in situ harvesting may offer an effective, affordable, and environmentally sustainable alternative for procuring significant amounts of seed of locally adapted ecotypes for restoration plantings.

  • seed harvest
  • native seed collection
  • seed production
  • seed availability
  • reclamation
  • Poaceae
NOMENCLATURE:
  • USDA NRCS (2017)
  • © 2018 by the Board of Regents of the University of Wisconsin System

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Native Plants Journal: 19 (2)
Native Plants Journal
Vol. 19, Issue 2
20 Jun 2018
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Case study of in situ seed harvesting in restored grasslands to increase native seed availability
Derek Tilley, Christine Taliga, Charlie Bair
Native Plants Journal Jun 2018, 19 (2) 109-117; DOI: 10.3368/npj.19.2.109

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Case study of in situ seed harvesting in restored grasslands to increase native seed availability
Derek Tilley, Christine Taliga, Charlie Bair
Native Plants Journal Jun 2018, 19 (2) 109-117; DOI: 10.3368/npj.19.2.109
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Keywords

  • seed harvest
  • native seed collection
  • seed production
  • seed availability
  • reclamation
  • Poaceae
  • USDA NRCS (2017)
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