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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

Calocedrus (decurrens)

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: Cupressaceae
Family Common Name: Cypress family
Scientific Name: Calocedrus decurrens (Torr.) Florin
Common Synonym: Libocedrus decurrens Torr.
Common Name: Incense cedar
Species Code: LIDE
Ecotype: BLM, Roseburg District, Ashland Resource Area, Table Mountain, Roseburg, Oregon; 5300 ft. elevation
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Time To Grow: 0
Propagule Collection: Cones are removed from trees and stored in bushel size burlap bags.
Propagule Processing: METHOD OF PROCESSING: The bags of cones are pre-dried on racks in a well ventilated indoor storage area. Cones are then kiln dried, at 100 Degrees Fahrenheit for 15 hours, until flared. Cones are then tumbled to extract the seeds. Seeds are then de-winged using a Mortar/Mixer De-winger. Seeds are then air-screened, using a Clipper Eclipse, Model 324, (screen sizes and air varies by lot). Seeds are finished using a Gravity Separator, Oliver Model 30, (speed and air varies by lot), to remove remaining nonviable seed and inert material. Number of Seeds per Pound: 13,410 Purity: 95%, X-Ray 100 Seeds: 92% Filled, Moisture Content: 5.3%
Harvesting, Storage and Shipping: Storage: Freezer Storage

Citation:

Barner, Jim. 2007. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Calocedrus decurrens (Torr.) Florin 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.