Utah Plant Pest Diagnostic Lab
Diseases Diagnosed in April 2011
Black Scurf
Scientific Name: Rhizoctonia solani
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
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