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    Author(s): Mee-Sook Kim; Jane E. Stewart; Nicklos Dudley; John Dobbs; Tyler Jones; Phil G. Cannon; Robert L. James; Kas DumroeseNed B. Klopfenstein
    Date: 2015
    Source: In: Ramsey, Amy; Palacios, Patsy, comps. Proceedings of the 63rd Annual Western International Forest Disease Work Conference; September 21-25, 2015; Newport, OR. Olympia, WA: Washington Department of Natural Resources; Logan, UT: Utah State University, Quinney College of Natural Resources. p. 133-135.
    Publication Series: Paper (invited, offered, keynote)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (1.0 MB)

    Description

    Several forest diseases are causing serious threats to the native Hawaiian forest. Among them, koawilt disease (caused by Fusarium oxysporum) is damaging to native populations of koa (Acacia koa), and it also hinders koa restoration/reforestation. Because F. oxysporum likely represents a complex of species with distinct pathogenic activities, more detailed characterization is needed to better understand the F. oxysporum that is associated with koa wilt. Such data would allow assessments of genetic diversity and population structure, while also providing inferences as to whether the pathogen is indigenous and/or potential modes of spread. DNA-based characterization of the koa-wilt pathogen will allow assessments of pathogen populations to inform koa restoration efforts, and assist resistance-breeding and screening programs for koa.

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    Citation

    Kim, Mee-Sook; Stewart, Jane E.; Dudley, Nicklos; Dobbs, John; Jones, Tyler; Cannon, Phil G.; James, Robert L.; Dumroese, R. Kasten; Klopfenstein, Ned B. 2015. Molecular genetic characterization of the koa-wilt pathogen (Fusarium oxysporum): Application of molecular genetic tools toward improving koa restoration in Hawai'i. In: Ramsey, Amy; Palacios, Patsy, comps. Proceedings of the 63rd Annual Western International Forest Disease Work Conference; September 21-25, 2015; Newport, OR. Olympia, WA: Washington Department of Natural Resources; Logan, UT: Utah State University, Quinney College of Natural Resources. p. 133-135.

    Keywords

    forest disease, koa-wilt pathogen, Fusarium oxysporum, restoration, Hawai'i

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https://www.fs.usda.gov/treesearch/pubs/52101