Utah Plant Pest Diagnostic Lab
Diseases Diagnosed in March 2013
Necrotic Ring Spot
Scientific Name: Ophiosphaerlla korrae
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
Tomato Spotted Leaf Virus
Scientific Name: Varies - transported by thrips
Photo(s): TSLV in a tomato taken by Claudia Nischwitz, Utah State University.
Situation: Tomato
County: Cache
Fact Sheets: Utah State University Extension News; Cornell University
Abiotic, unknown and/or non-disease in Turf -It can be difficult to diagnose disease by symptoms alone early in the season. The fungus is more easily seen after June. If no pathogens are detected, the diagnosis and recommendation will be based on symptom appearance and timing, host affected, and observations of disease trends for the area.
Other Abiotic, unknown and/or non-disease diagnosed in March
Austrian Pine
Non-Disease Stressor: unknown abiotic
Situation: Austrian Pine
County: Iron