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    Author(s): Ben Smith; Fred Hain; John Frampton
    Date: 2012
    Source: In: Sniezko, Richard A.; Yanchuk, Alvin D.; Kliejunas, John T.; Palmieri, Katharine M.; Alexander, Janice M.; Frankel, Susan J., tech. coords. Proceedings of the fourth international workshop on the genetics of host-parasite interactions in forestry: Disease and insect resistance in forest trees. Gen. Tech. Rep. PSW-GTR-240. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. p. 347
    Publication Series: General Technical Report (GTR)
    Station: Pacific Southwest Research Station
    PDF: View PDF  (134.59 KB)

    Description

    The balsam woolly adelgid (BWA; Adelges piceae) and hemlock woolly adelgid (HWA; Adelges tsugae) have had a tremendous impact on native ecosystems with Fraser fir (Abies fraseri (Pursh) Poir), eastern hemlock (Tsuga canadensis (L.) Carrière), and Carolina hemlock (T. caroliniana Engelm. ) in the eastern United States since their introduction from Asia. They have also caused serious economic damage in Christmas tree plantations and nurseries. The Alliance for Saving Threatened Forests is engaged in research to complement other methods of adelgid control through the development of genetically resistant Fraser fir and hemlocks. The approach focuses on the identification, testing, and breeding of resistance or tolerance found within natural populations. In addition, development of interspecific hybrids is underway, incorporating both traditional breeding techniques and somatic embryogenesis.

    Publication Notes

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    Citation

    Smith, Ben; Hain, Fred; Frampton, John. 2012. Breeding for resistance to adelgids in Abies fraseri, Tsuga canadensis, and T. caroliniana. In: Sniezko, Richard A.; Yanchuk, Alvin D.; Kliejunas, John T.; Palmieri, Katharine M.; Alexander, Janice M.; Frankel, Susan J., tech. coords. Proceedings of the fourth international workshop on the genetics of host-parasite interactions in forestry: Disease and insect resistance in forest trees. Gen. Tech. Rep. PSW-GTR-240. Albany, CA: Pacific Southwest Research Station, Forest Service, U.S. Department of Agriculture. p. 347.

    Keywords

    forest disease and insect resistance, evolutionary biology, climate change, durable resistance

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https://www.fs.usda.gov/treesearch/pubs/44954