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Filtering by: Creator Johnson, Nicole Brooke Remove constraint Creator: Johnson, Nicole Brooke 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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  • Pyrenophora tritici-repentis : investigation of factors that contribute to pathogenicity

    Creator:
    Holman, Thomas W.
    Abstract:
    Pyrenophora tritici-repentis (Ptr) is the necrotrophic fungus responsible for tan spot of wheat (Triticum aestivum). Ptr causes disease on susceptible wheat cultivars through the production and secretion of host-selective toxins (HSTs). HSTs are compounds that are only known to be produced by fungi and considered to be primary determinants of...
    Resource Type:
    Masters Thesis
    Full Text:
    committee members, Tom Wolpert, Ken Johnson, and Dave Myrold, for all of their support and advice

  • Host and Pathogen Genetics in the Sharp Eyespot Disease of Wheat

    Creator:
    Liu, Jiang
    Abstract:
    Wheat sharp eyespot (SES), caused by the soil-borne fungus Rhizoctonia cerealis is a common stem disease of wheat globally. The disease caused a severe and extensive epidemic throughout the Willamette Valley of Oregon in 2014 and has remained one of the most important wheat diseases in this region. However, litte...
    Resource Type:
    Dissertation
    Full Text:
    . Robert Zemetra, Dr. Kenneth Johnson, Dr. Niklaus Grunwald, and Dr. Weihong Qiu as my committee members