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Abstract
Infection and mortality levels from Cronartium ribicola, the fungus causing white pine blister rust, are very high in parts of the geographic range of Pinus albicaulis (whitebark pine) and P. strobiformis (Southwestern white pine). Genetic resistance to this non-native fungus will be one of the key factors in maintaining or restoring populations of these species in areas of high blister rust incidence. Trials at Dorena Genetic Resource Center (Dorena GRC), OR, for blister rust resistance evaluation of seedling progenies of P. albicaulis from Oregon and Washington populations began in 2001; the first seedling rust resistance trial of P. strobiformis from New Mexico selections have been underway since 2002.
Parent Publication
Keywords
high elevation five-needle pines,
threats,
whitebark,
Pinus albicaulis,
limber,
Pinus flexilis,
southwestern white,
Pinus strobiformis,
foxtail,
Pinus balfouriana,
Great Basin bristlecone,
Pinus longaeva,
Rocky Mountain bristlecone pine,
Pinus aristata
Citation
Sniezko, R. A.; Kegley, A.; Danchok, R.; Hamlin, J.; Hill, J.; Conklin, D. 2011. Rust resistance in seedling families of Pinus albicaulis and Pinus strobiformis and implications for restoration. In: Keane, Robert E.; Tomback, Diana F.; Murray, Michael P.; Smith, Cyndi M., eds. The future of high-elevation, five-needle white pines in Western North America: Proceedings of the High Five Symposium. 28-30 June 2010; Missoula, MT. Proceedings RMRS-P-63. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 273.
