Diseases Diagnosed in May 2013

    Diseases Diagnosed in May 2013

    Necrotic Ring Spot

    Scientific Name: Ophiosphaerlla korrae

    nectrotic ring spot

    Photo(s): Necrotic ring spot, Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org.

    Situation: Turf

    County: Salt Lake County

    Fact Sheets: Utah State University; Colorado State University


    Bacterial Leaf Spot

    Scientific Name: N/A

    bacterial leaf spot

    Photo(s): R.K. Jones, North Carolina State University, Bugwood.org

    Situation: Tomato

    County: Cache, Uintah

    Fact Sheets: None


    Wheat Stripe Rust

    Scientific Name: Paccinia striiformis

    wheat strip rust

    Photo(s): Wheat stripe rust, Howard F. Schwartz, Colorado State University, Bugwood.org.

    Situation: On wheat

    County: Juab

    Fact Sheets:


    Raspberry Bush Dwarf Virus

    Pathogen: No Latin name. Seed and pollen spread virus.

    raspberry bush dwar virus

    Photo(s): Image courtesy of Dr. Claudia Nischwitz, USU extension

    Situation: Juneberry & Raspberry

    County: Utah

    Fact Sheets: Utah State University


    Abiotic, unknown and/or non-disease stressors in May.

    1. Water Stress
    2. Nutrient deficiency
    3. Winter Stress
    4. Numerous samples were undetermined due to the cold weather. Clients were advised to contact the lab once it warmed up if the symptoms were still visible.
    *Links on the page are not intended as authoritative sources of management information. Established links allow users to view pictures of pests and find general biology and control information; for Utah-specific control recommendations please contact the Utah Plant Pest Diagnostic Lab @ 435-797-2435. Pictures above are not always the exact species identified, but are representative photos of submitted samples.