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Clethra (alnifolia)

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: Clethraceae
Family Common Name: Sweet-pepperbush
Scientific Name: Clethra alnifolia L.
Common Name: pink-spire
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 twice through the Westrup Brush Machine at speed 11. Medium stiff brushes and a coarse shell(size 10) were used. No aspiration was performed. A 6 x 32 inch square hole screen was used to remove small trash.
Other Comments: purity 7.41%
sd/lb 6,434,000
germination 64%

Citation:

Barbour, Jill R. 2007. Propagation protocol for production of Propagules (seeds, cuttings, poles, etc.) Clethra alnifolia L. seeds seed cleaning techniques; USDA FS - National Seed Laboratory Dry Branch, Georgia. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/23). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.