Pinaceae (Pinus)
Pinus (ponderosa)
Pinaceae
Pine family
Pinus
ponderosa
Dougl.
Ponderosa pine
PINPON
P. ponderosa is found from southern British Columbia to Mexico, and from the Plains states of Nebraska and Oklahoma to the pacfic coast.
plants
seed
Container (plug)
0
Seed dormancy is physiological dormancy.
Seeds are placed in cold moist stratification for 30 days. Germination occurs at 20. Germination was equal in light and dark.
Barton, L. V. (1930). Hastening the germination of some coniferous seeds. Amer. J. Bot. 17, 88-115.
Li, X. J., Burton, P. J. and Leadem, C. L. (1994). Interactive effects of light and stratification on the germination of some British Columbia conifers. Can J. Bot. 72, 1635-1646.
Table 10.35 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, Jerry M.; Baskin, Carol C.. 2002. Propagation protocol for production of Container (plug) Pinus ponderosa Dougl. plants University of Kentucky Lexington, Kentucky. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/12/22). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.