Utah Plant Pest Diagnostic Lab
Diseases Diagnosed in May 2012
Fusarium Blight
Scientific Name: Fusarium
Photo(s): A.H. McCain
Situation: Turf at high altitude cabin
County: Morgan
Fact Sheets: University of California, Davis
Kabatina Twig Blight
Scientific Name: Kabatina
Photo(s): Kabatina, HGIC University of Maryland
Situation: Arborvitae
County: Salt Lake
Fact Sheets: Univerity of Kentucky; Cornell University
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
Septoria Leaf Spot
Scientific Name: Septoria
Photo(s): Client Photos. UPPDL
Situation: Turf
County: Salt Lake County
Fact Sheets: University of Illinois; Pacific Northwest Handbook
Pink Snow Mold
Scientific Name: Microdochium nivale
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
Summer Patch
Scientific Name: Magnaporthe poae
Photo(s): Summer patch in bluegrass, Mary Ann Hansen, Virginia Polytechnic Institute and State University, Bugwood.org
Situation: On turf
County: Carbon, Wasatch, Salt Lake
Fact Sheets: Colorado State University; Ohio State University
Abiotic, unknown and/or non-disease stressors in May.
- Abiotic (Mugo Pine - Iron, Herbs - Washington, Vegetables - Idaho)
- Unknown Fungus (Cantaloupe - Cache)
- Iron Chlorosis
Situation: Competition and underwatering
Location: Carbon - Winter Injury (Arborvitae)
Photo/s: Winter Injury taken by Mike Kuhns, Utah State University.
Situation: Injury in arborvitae
Location: Cache, Weber
Fact Sheets: Utah State University; Utah State University