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  • Risk Perceptions in the Oregon Hazelnut Growing Industry: An Exploratory Study of a Recovering Industry

    Creator:
    Harrison, Darin L.
    Abstract:
    This paper is an exploratory study of the risk perceptions in the Oregon Hazelnut growing community. The study takes place at a time when the industry as a whole has begun to stabilize from the effects of Eastern Filbert Blight, a fungal pathogen that infects hazelnut trees which had devastated...
    Resource Type:
    Masters Thesis

  • Determining ploidy level and nuclear DNA content in Rubus by flow cytometry

    Creator:
    Meng, Rengong
    Abstract:
    Nuclear DNA flow cytometry was used to differentiate ploidy level and determine nuclear DNA content in Rubus. Nuclei suspensions were prepared from leaf discs of young leaves following published protocols with modifications that included: increasing the stain concentration, adding the stain after the RN ase treatment instead of adding it...
    Resource Type:
    Masters Thesis
    Full Text:
    , QiangYao, Jie Luo, Mohammed Albahou, Veli Erdogan, Dr. Carmo Candolfi-Vasconcelos, and Dr. John Luna who

  • Simple sequence repeat marker development and use in European hazelnut (Corylus avellana L.)

    Creator:
    Gürcan, Kahraman
    Abstract:
    New highly polymorphic simple sequence repeat (SSR) markers for European hazelnut (Corylus avellana L.). were developed from several sources. The markers were characterized, and segregation in a mapping population allowed to assign them to linkage groups. Their transferability across genera and species in the Betulaceae family was investigated. SSR markers...
    Resource Type:
    Dissertation
    Full Text:
    . Dr. Veli Erdogan provided DNA of 20 Turkish hazelnut accessions in chapter 8. Dr. Juan Jose

  • Landscape Genomics and Climatic Responses of Willamette Valley Alders

    Creator:
    Kral, George L.
    Abstract:
    The climate of the Pacific Northwest is in flux, and existing forest ecosystems are stressed and poised to shift in fundamental ways, with or without human intervention. This dissertation probes the nature of forest responses to environmental change through investigations of morphology and genetics of three species of alder co-occurring...
    Resource Type:
    Dissertation
    Full Text:
    in all major genera in the Betulaceae, including the birches (Schenk et al 2008), hazel (Erdogan