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Filtering by: Subject Beans -- Diseases and pests -- Control -- Oregon Remove constraint Subject: Beans -- Diseases and pests -- Control -- Oregon Academic Affiliation Botany and Plant Pathology Remove constraint Academic Affiliation: Botany and Plant Pathology Committee Member Johnson, Kenneth B. Remove constraint Committee Member: Johnson, Kenneth B.

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  • Pathogenicity of Phytophthora species from Oregon waterways

    Creator:
    Navarro, Sarah M.
    Abstract:
    Described as one of the most destructive pathogens of agricultural crops and forest trees, Phytophthora is a genus of microorganisms containing over 100 known species. Phytophthora alni has caused collar and root disease in alders throughout Europe and a form of the species has recently been isolated in North America....
    Resource Type:
    Masters Thesis
    Full Text:
    southwestern Oregon following disease monitoring for P. ramorum and was originally reported as “New species

  • Ascospore viability and dispersal from pruned branches infected with Anisogramma anomala

    Creator:
    Heckert, Stephanie
    Abstract:
    Viability and dispersal of ascospores of Anisogramma anomala, the cause of eastern filbert blight (EFB) on European hazelnut, from diseased branches pruned from trees were measured. In each of two years, branches bearing stromata of A. anomala were cut in mid-December and compared to branches cut near budbreak in March,...
    Resource Type:
    Masters Thesis
    Full Text:
    Agriculture survey in 1974 (6). The Oregon Department of Agriculture set up regulatory disease control