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    Author(s): M. -S. Kim; N. R. Fonseca; R. D. Hauff; P. G. Cannon; John HannaNed Klopfenstein
    Date: 2017
    Source: Plant Disease. 101(1): 255.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (388.0 KB)


    Koa (Acacia koa) and 'ohi'a lehua (Metrosideros polymorpha) are the two most dominant native tree species in Hawai‘i. Their populations are continuously decreasing, primarily because of forest disease (Dudley et al. 2007; Keith et al. 2015) and other biotic disturbances. In April 2015, Armillaria rhizomorphs were collected from woody hosts on the island of Kaua‘i, Hawai‘i.

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    Kim, M. -S.; Fonseca, N. R.; Hauff, R. D.; Cannon, P. G.; Hanna, J. W.; Klopfenstein, N. B. 2017. First report of the root-rot pathogen, Armillaria gallica, on koa (Acacia koa) and 'Ohi'a lehua (Metrosideros polymorpha) on the island of Kaua'i, Hawai'i. Plant Disease. 101(1): 255.


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    Acacia koa, Metrosideros polymorpha, native species, forest disease

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