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Filtering by: Committee Member Mehlenbacher, Shawn Remove constraint Committee Member: Mehlenbacher, Shawn Academic Affiliation Botany and Plant Pathology Remove constraint Academic Affiliation: Botany and Plant Pathology

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  • Environmental Factors Affecting Phytophthora Root Rot of Rhododendron

    Creator:
    Mestas, Angie
    Abstract:
    Phytophthora root rot decreases availability and quality of rhododendrons produced in the USA. Symptoms of Phytophthora root rot include root necrosis, leaf chlorosis, stunting, and permanent wilt. The purpose of this thesis was to better understand the impact of root damage, soil moisture, nitrogen fertilizer application, and pathogen species on...
    Resource Type:
    Masters Thesis
    Full Text:
    , Jay Pscheidt, Shawn Mehlenbacher, and also to Annie Davis, Bryan Beck, Jesse Mitchell, Marj Storm

  • Grape Powdery Mildew Management: The Interaction Between Inflorescence Stage and Fungicide Chemistry

    Creator:
    Warneke, Brent W.
    Abstract:
    Grape powdery mildew (GPM, causal agent Erysiphe necator) is the most economically important disease of grapevine in the Western U.S. Low levels of GPM infection on clusters (1-5%) can negatively affect wine sensory quality, so intensive fungicide programs are common. This may lead to problems like excessive fungicide use and...
    Resource Type:
    Masters Thesis
    Full Text:
    and agriculture; Jay Pscheidt for his teaching and sharing knowledge of the grape industry; Shawn