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Filtering by: Creator Karchesy, Joe Remove constraint Creator: Karchesy, Joe Academic Affiliation Botany and Plant Pathology Remove constraint Academic Affiliation: Botany and Plant Pathology

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  • The epidemiology of sudden oak death in Oregon forests

    Creator:
    Peterson, Ebba K.
    Abstract:
    The phytopathogen Phytophthora ramorum (Werres, DeCock & Man in't Veld), causal agent of Sudden Oak Death (SOD) of oaks (Quercus spp.) and tanoaks (Notholithocarpus densiflorus syn. Lithocarpus densiflorus), is established in coastal forests of the western United States. Since the discovery of SOD in the Douglas-fir / tanoak forests of...
    Resource Type:
    Dissertation
    Full Text:
    Laine, Mike Thompson, Mike McWilliams, Stacy Savona, Bill Woolsey, Joe Hubert and Justin Shaffer. I

  • Expression of secondary metabolites following manipulations of the C:N ratio in spotted knapweed, Centaurea maculosa Lam.

    Creator:
    Brodhagen, Marion L.
    Abstract:
    Spotted knapweed, Centaurea maculosa Lam. (Compositae) is an extremely successful introduced weed species in the northwestern United States. Multiple factors may be responsible for its success, including chemical defense. Two different types of putative chemical defense agents are the focus of this thesis. The first is a bitter-tasting sesquiterpene lactone,...
    Resource Type:
    Masters Thesis
    Full Text:
    products chemistry in the commercial world. Thanks to Yvette and Joe Karchesy for letting me invade their