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    Author(s): P. J. Vogan; A. W. Schoettle
    Date: 2018
    Source: In: Schoettle, Anna W.; Sniezko, Richard A.; Kliejunas, John T., eds. Proceedings of the IUFRO joint conference: Genetics of five-needle pines, rusts of forest trees, and Strobusphere; 2014 June 15-20; Fort Collins, CO. Proc. RMRS-P-76. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 14.
    Publication Series: Proceedings (P)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (224.0 KB)

    Description

    During the naturalization process of white pine blister rust (WPBR, caused by Cronartium ribicola), susceptible pine genotypes will be selected against, along with any traits that are associated with those genotypes, potentially causing a shift in the suite of traits in the post-selection population compared to the native population. Consequently, identifying associated traits with WPBR resistance is critical for effective restoration planning, especially in a changing climate. We sought to determine whether complete resistance to WPBR in limber pine (Pinus flexilis) is associated with abiotic stress tolerances, particularly those related to freezing and drought. Previous research has noted that proteins involved in partial resistance to C. ribicola also exhibit antifreeze capabilities in vitro and very likely enhance plant frost tolerance in vivo; these proteins are also expressed in response to cold and, occasionally, drought. It is not known if a similar association exists between the major gene in limber pine (Cr4) and tolerance of abiotic stress.

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    Citation

    Vogan, P. J.; Schoettle, A. W. 2018. Associations between complete resistance to white pine blister rust and abiotic stress tolerances in limber pine (Pinus flexilis). In: Schoettle, Anna W.; Sniezko, Richard A.; Kliejunas, John T., eds. Proceedings of the IUFRO joint conference: Genetics of five-needle pines, rusts of forest trees, and Strobusphere; 2014 June 15-20; Fort Collins, CO. Proc. RMRS-P-76. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. p. 14.

    Keywords

    genetic variation, genetic conservation, restoration, Pinus, Populus, rust fungi, disease resistance, climate change, Cronartium ribicola

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https://www.fs.usda.gov/treesearch/pubs/56690