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Protocol Information

Carol and Jerry Baskin
University of Kentucky
University of Kentucky
Lexington, Kentucky 40506-0225

Family Scientific Name: Pinaceae
Family Common Name: Pine family
Scientific Name: Pinus sabiniana Dougl.
Common Name: Gray pine
Species Code: PINSAB
General Distribution: P. sabiniana is found from in the foothills of the Cascades and Sierras and coast ranges of California south into lower California.
Propagation Goal: Plants
Propagation Method: Seed
Product Type: Container (plug)
Propagule Processing: Seed dormancy is physiological dormancy.
Pre-Planting Treatments: Seeds are placed in cold moist stratification for 45 days.Germination occurs at 25D/19N C alternating temperature cycle. In another study, seeds germinate at 22 to 26 C and germination was greater in light than dark.
References: Johnston, G. R. and Clare, R. S. (1931). Hastening the germination of western pine seeds. J. For. 29, 895-906.
Table 10.38. Krugman and Jenkinson,1974. Table 10.1 In: Baskin, C.J. and Baskin, J.M. Seeds: Ecology, Biogeography and Evolution in Dormancy and Germination, Academic Press, 1998. Chapter 10: A Geographical Perspective on Germination Ecology: Temperate and Arctic Zones, pages 331 to 458.

Baskin, Carol C.; Baskin, Jerry M. 2002. Propagation protocol for production of container Pinus sabiniana Dougl. plants; University of Kentucky, Lexington, Kentucky. In: Native Plant Network. URL: http://www.nativeplantnetwork.org (accessed 3 September 2015). Moscow (ID): University of Idaho, College of Natural Resources, Forest Research Nursery.