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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

Coreopsis (major)

Jill Barbour
Germination Specialist
USDA FS - National Seed Laboratory
5675 Riggins Mill Rd.
Dry Branch, Georgia 31020
478-751-3553
478-751-4135 (fax)
jbarbour@fs.fed.us
www.nsl.fs.fed.us
Family Scientific Name: Asteraceae
Family Common Name: Aster
Scientific Name: Coreopsis major Walt.
Common Name: greater tickseed
Propagation Goal: seeds
Propagation Method: seed
ProductType: Propagules (seeds, cuttings, poles, etc.)
Stock Type: seed cleaning techniques
Time To Grow: 0
Propagule Processing: Seed cleaning. One seedlot was run through the Westrup Brush Machine one time at speed 11. Medium stiff brushes and a coarse shell was used. The seedlot was aspirated at a vacuum of 0.01 inches of water. Large material was scalped with a 4 x 16 inch square hole screen and further cleaned with a 4 x 36 inch square hole screen
Other Comments: purity 53.41

sd/lb 1,172,100

germination 1%

Citation:

Barbour, Jill R; Karrfalt, Bob. 2005. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Coreopsis major Walt. seeds seed cleaning techniques; USDA FS - National Seed Laboratory Dry Branch, Georgia. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/25). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.