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Filtering by: Creator Jung, Bong Nam Remove constraint Creator: Jung, Bong Nam Decade 2010-2019 Remove constraint Decade: 2010-2019 Degree Field Botany and Plant Pathology Remove constraint Degree Field: Botany and Plant Pathology

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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:
    Alder Dieback in Oregon………………………………………..…….. 10 Red Alder- Alnus rubra Bong…………………………………..……. 14

  • Phytophthora species and riparian alder tree damage in western Oregon

    Creator:
    Sims, Laura L.
    Abstract:
    The genus Phytophthora contains some of the most destructive pathogens of forest trees, including the most destructive pathogen of alder in recent times, Phytophthora alni. Alder trees were reported to be suffering from canopy dieback in riparian ecosystems in western Oregon, which prompted a survey of alder health and monitoring...
    Resource Type:
    Dissertation
    Full Text:
    et al. 2002, Goheen et al. 2002, Hansen et al. 2003, Jung et al. 2003, Brasier et al. 2003b

  • Mitigating cyanobacterial harmful algae blooms : the role of plant humics

    Creator:
    Theis, Susan A. F.
    Abstract:
    Cyanobacterial harmful algae blooms (cyanoHABs) are a growing concern worldwide due to damage of ecosystems and threats to human health. Previous research indicates that plant humics from aquatic and wetland vascular plants are effective inhibitors of cyanobacterial metabolism and growth and may be useful as control agents for mitigating cyanoHABs....
    Resource Type:
    Masters Thesis
    Full Text:
    molecular weight acids, and esters (Waybright et al 2009; Choe and Jung 2002; Bährs et al 2013; Wetzel et

  • 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:
    loads produced from tanoak lesions (Hansen et al. 2008). Red alder (Alnus rubra Bong.) is also