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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

Crataegus (douglasii)

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: Rosaceae
Family Common Name: Rose family
Scientific Name: Crataegus douglasii Lindl.
Common Name: Black hawthorn
Species Code: CRDO2
Ecotype: USFS, Umatilla National Forest, Heppner Ranger District, Road 21/2107, Alder Creek, Ukiah, Oregon: 4195 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Small lot, 5.75 pounds, hand collected into plastic zip-lock bag.
Propagule Processing: METHOD OF CLEANING: Seeds are extracted from fruit by maceration, pulp and debris are floated off. Seeds are dried on mesh trays. An air column separator, Continuous Seed Blower, Model CB 2001, is used next to remove remaining nonviable seed and inert material. An air screen cleaner (Clipper) can also be used. Number of Seeds per Pound:20,300, Purity: 98%, X-Ray 100 Seeds: 85% Filled
Harvesting, Storage and Shipping: Storage: Cold Storage, 33-38 Degrees Fahrenheit

Citation:

Barner, Jim. 2009. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Crataegus douglasii Lindl. 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.