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Filtering by: Subject Berries -- Diseases and pests -- Northwest, Pacific Remove constraint Subject: Berries -- Diseases and pests -- Northwest, Pacific Committee Member Lachenbruch, Barbara Remove constraint Committee Member: Lachenbruch, Barbara

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  • Impacts of Swiss needle cast on Douglas-fir tree-ring stable isotopes and tree carbohydrate reserves

    Creator:
    Saffell, Brandy J.
    Abstract:
    Understanding the mechanisms of disease in forest pathology is a critical component to learning how to most efficiently manage tree diseases like Swiss needle cast (SNC). SNC is an economically important, fungal disease of Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco) that is prevalent in coastal areas of the Pacific Northwest. This...
    Resource Type:
    Masters Thesis
    Full Text:
    in the Pacific Northwest. Due to the sudden manifestation of SNC and the clear economic losses that

  • Habitat management for beneficial insects on Willamette Valley vegetable and berry farms

    Creator:
    Russell, Michael C.
    Abstract:
    Conservation biological control involves manipulating farm landscapes or management systems to enhance populations of beneficial predators of agricultural pests. Farmscaping is one aspect of conservation biological control where predators of important pests are identified, the availability on the farm landscape of resources and habitat components needed by the beneficials to...
    Resource Type:
    Dissertation
    Full Text:
    as invasive in natural habitats in the Pacific Northwest (MacDougal et al. 2006, Parendes and Jones