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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Carex (abrupta)

Amy Bartow
Seed and Plant Production Manager
USDA NRCS - Corvallis Plant Materials Center
3415 NE Granger Ave
Corvallis, Oregon 97330
(541) 757-4812 ext 103
(541) 757-4733 (fax)
amy.bartow@or.usda.gov
http://plant-materials.nrcs.usda.gov/orpmc
Family Scientific Name: Cyperaceae
Family Common Name: Sedge Family
Scientific Name: Carex abrupta Mackenzie
Common Name: abruptbeak sedge
Species Code: CAAB2
Ecotype: Seeds were collected from Lassen National Park.
Propagation Goal: plants
Propagation Method: seed
ProductType: Plug + (container-field grown hybrids)
Time To Grow: 4 Months
Target Specifications: Good looking plug with roots that have tightly filled the cone-tainer.
Propagule Collection: Seeds were hand stipped from plants when mature.
Propagule Processing: Seeds were cleaned using a small air screen machine.
Pre-Planting Treatments: Germination trials were established with the following results:
90 days cold stratification, 43% germination; 120 days cold stratification, 33% germination; and 120 days cold stratification, 44% germination.
Growing Area Preparation/
Annual Practices for Perennial Crops:		 Seeds were sown into cone-tainers filled with Sunshine#1 (a soil-less,peat-based media)amended with micro-nutrients (Micromax) and a slow-release fertilizer (Osmocote 14-14-14). Flats of cone-tainers were placed in greenhouse with daytime temperatures around 80 degrees F.
Other Comments: This species, which is typical of sedges, likes heat and light while germinating.

Citation:

Bartow, Amy. 2008. Propagation protocol for production of Plug + (container-field grown hybrids) Carex abrupta Mackenzie plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/24). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.