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Filtering by: Creator Tait, Cynthia K. Remove constraint Creator: Tait, Cynthia K. Creator Au, Benjamin Remove constraint Creator: Au, Benjamin Degree Name Honors Bachelor of Science (H.B.S.) Remove constraint Degree Name: Honors Bachelor of Science (H.B.S.)

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  • The Identification of Ophiostoma novo-ulmi subsp. americana from Portland Elms

    Creator:
    Au, Benjamin
    Abstract:
    Dutch elm disease (DED) is a disease of elm trees caused by three species of Ascomycota fungi: Ophiostoma ulmi, Ophiostoma novo-ulmi, and Ophiostoma himal-ulmi. There are also two subspecies of O. novo-ulmi: subsp. americana and subsp. novo-ulmi. The pathogen is spread by bark beetles, which inhabit and traverse different elms....
    Resource Type:
    Honors College Thesis
    Full Text:
    . americana from Portland Elms by Benjamin K. Au A PROJECT Submitted to Oregon State University