Diseases Diagnosed in April 2011

    Diseases Diagnosed in April 2011

    Black Scurf

    Scientific Name: Rhizoctonia solani

    black scurf

    black scurf

    Photo(s): Sugar beet dug up and sliced open to show the damage of black scurf, Howard F. Schwartz, Colorado State University, Bugwood.org.

    Situation: On potato

    County: Salt Lake County

    Fact Sheets: Michigan State University; Texas A&M


    Nutrient Deficiency

    Scientific Name: NA

    nutrient deficiency

    nutrient deficiency

    Photo(s): Phosphorus deficiency; Nitrogen deficiency, R.J. Reynolds Tobacco Company Slide Set, R.J. Reynolds Tobacco Company, Bugwood.org.

    Situation: On plant

    County: Salt Lake County

    Fact Sheets: University of Arizona

    *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.