Diseases Diagnosed in April 2012

    Diseases Diagnosed in April 2012

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

    1. Abiotic (Dichondra)
    2. Overwatering/Salt Damage (Geranium)

    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

    Powdery Mildew

    Scientific Name: Sawadaea sp

    powdery mildew

    Photo(s): Powdery mildew on a maple leaf, Andrej Kunca, National Forest Centre - Slovakia, Bugwood.org

    Situation: On ornamental plant

    County: Utah

    Fact Sheets: University of California, Davis

    Pink Snow Mold

    Scientific Name: Microdochium nivale

    pink snow mold

    Photo(s): An area affected by pink snow mold on a golf course, William M. Brown Jr., Bugwood.org.

    Situation: Turf

    County: Salt Lake County

    Fact Sheets: Utah State University

    Verticillium Wilt

    Scientific Name: Verticillium dahliae.

    verticilllium wilt

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

    Situation: Peppermint

    County: Cache

    Fact Sheets: Utah Pests IPM

    *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.