Diseases Diagnosed in February 2011

    Diseases Diagnosed in February 2011

    Winter Water Stress

    Scientific Name: Abiotic

    winter water stress

    Photo(s): Winter water stress on evergreens, Michael Kuhns, Utah State University.

    Situation: Abiotic effect caused by temperature swings in the winter.

    County: Salt Lake County

    Fact Sheets: University of Minnesota

    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

    Pythium Root Rot

    Scientific Name: Pythium sp.

    pythium root rot

    Photo(s): Pythium root rot, David B. Langston, University of Georgia, Bugwood.org

    Situation: On plants

    County: Utah County

    Fact Sheets: UC IPM; New Mexico State Univ.

    *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.