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    Author(s): K.M. Waring; R. Sniezko; B.A. Goodrich; C. Wehenkel; J.J. Jacobs
    Date: 2017
    Source: In: Sniezko, Richard A.; Man, Gary; Hipkins, Valerie; Woeste, Keith; Gwaze, David; Kliejunas, John T.; McTeague, Brianna A., tech. cords. 2017. Gene conservation of tree species—banking on the future. Proceedings of a workshop. Gen. Tech. Rep. PNW-GTR-963. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. p. 96.
    Publication Series: General Technical Report (GTR)
    Station: Pacific Northwest Research Station
    PDF: View PDF  (35.0 KB)

    Description

    Pinus strobiformis (southwestern white pine) is threatened by both a rapidly changing climate and the tree disease white pine blister rust, caused by an introduced fungal pathogen, Cronartium ribicola. We began a proactive program in ~2009 to sustain P. strobiformis that includes genetic conservation, research, and management strategies. Research is related to the silvics, ecology, genetics, and future climate profile of the species. The results of these investigations will be used to develop refined seed transfer zones and silvicultural approaches to managing southwestern white pine in a changing climate.
    We began collecting P. strobiformis seed and foliage in 2012, and have collected from over 80 sites across Arizona and New Mexico. Seeds of 233 individual parent trees from 53 sites have been archived at the National Seed Laboratory in Fort Collins, Colorado for genetic conservation. Collections from 20 sites across Mexico were completed and will be included in the ongoing research. Foliage is being utilized for genomics and leaf trait (e.g., stomatal density) research; extra foliage is in storage at Northern Arizona University.

    Publication Notes

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    • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.

    Citation

    Waring, K.M.; Sniezko, R.; Goodrich, B.A.; Wehenkel, C.; Jacobs, J.J. 2017. A holistic approach to genetic conservation of Pinus strobiformis. In: Sniezko, Richard A.; Man, Gary; Hipkins, Valerie; Woeste, Keith; Gwaze, David; Kliejunas, John T.; McTeague, Brianna A., tech. cords. 2017. Gene conservation of tree species—banking on the future. Proceedings of a workshop. Gen. Tech. Rep. PNW-GTR-963. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. p. 96.

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https://www.fs.usda.gov/treesearch/pubs/55094