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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

Ceanothus (cordulatus)

Jim Barner
Seed Extractory Manager
USDA FS - R6 Bend Seed Extractory
63095 Deschutes Market Rd.
Bend, Oregon 97701
541-383-5481
541-383-5498 (fax)
jbarner@fs.fed.us
http://fsweb-ochdes.r6.fs.fed.us/seedextractory/ex
Family Scientific Name: Rhamnaceae
Family Common Name: Buckthorn family
Scientific Name: Ceanothus cordulatus Kellogg
Common Name: Whitethorn ceanothus
Species Code: CECO
Ecotype: USFS, Rogue River-Siskiyou National Forest, Gold Beach Ranger District, Gold Beach, Oregon: 3800 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Small lot, 0.315 pounds, hand collected into paper bag.
Propagule Processing: METHOD OF CLEANING: Seed cleaned using a Hoffman Hand Deawner/Debearder to remove seed from capsule. Laboratory Test Sieves, mesh size 6 and 12 are used next to remove stems and non seed material. Seed is then air-screened, to remove remaining nonviable seed and inert material, using an office Clipper, top screen: 5 1/2 round and a bottom screen: 1/20 round, high speed, and medium to high air. Number of Seeds per Pound: 168,600, Purity: 99%, X-Ray 100 Seeds: 48% Filled, TZ: 80% (Oregon State University Seed Laboratory Analysis)
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit
Other Comments: Very small seed lots present a cleaning and testing challenge. Different types of equipment, designed for smaller lots, are used.

Citation:

Barner, Jim. 2009. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Ceanothus cordulatus Kellogg seeds USDA FS - R6 Bend Seed Extractory Bend, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.