Diseases Diagnosed in June 2012
Scientific Name: Cytospora
Photo(s): Montana State University Extension Service
Situation: Aspen Tree
Scientific Name: Pseudomonas sp.
Photo(s): Bacterial speck in a tomato plant taken by Claudia Nischwitz, Utah State University.
Cherry Necrotic Rusty Mottle Virus
Scientific Name: Pathogen Unknown
Photo(s): Image from the web. These images are from Google images, and have not been verified by UPPL.
Situation: Bing Cherry
Fact Sheets: University of California Davis
Coryneum Blight Shothole
Scientific Name: Wilsonmyces carpophilus
Photo(s): Coryneum Blight images from USU publications
Scientific Name: Erwinia amylovora
Photo(s): Shoot of an apple tree infected with fire blight. Note the "Shepherds crook" and scorched leaves; Fire blight canker on an apple tree. The bacterial ooze seen running down the branch can be transmitted by insects, water, and other methods. Utah State University.
Scientific Name: Pythium sp.
Photo(s): Pythium on Impatiens by Pamela Robert, University of Florida.
Fact Sheets: Penn State University
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
Tomato Spotted Leaf Virus
Scientific Name: Varies - transported by thrips
Photo(s): TSLV in a tomato taken by Claudia Nischwitz, Utah State University.
Scientific Name: Verticillium dahliae.
Photo(s): Howard F. Schwartz Colorado State University, Bugwood.org
Fact Sheets: Utah Pests IPM
Western Gall Rust
Scientific Name: Endocronartium (Peridermium) harknessii
Photo(s): Western Gall Rust taken by Joseph O'Brien, USDA Forest Service
Situation: Austrian Pine
Fact Sheets: USDA
Wheat Stripe Rust
Scientific Name: Paccinia striiformis
Photo(s): Wheat stripe rust, Howard F. Schwartz, Colorado State University, Bugwood.org.
Situation: On wheat
Abiotic, unknown and/or non-disease stressors in May.
- Chlorosis (Raspberry - Utah)
Photo/s: Comparison of healthy (left) and chlorotic (right) raspberry leaves. Note the green veins on the chlorotic leaf from USU publication.
Fact Sheets: Utah State University
- Abiotic (Alfalfa - Box Elder)
- Abiotic (Cucumber - Davis)
- Drought Stress (Turf - Cache)
- Frost Damage (Corn - Cache)
- Magnesium Deficiency (Tomato - Grand)
- Unknown (Bur Oak - Emery)
- Wind Damage (Apple - Wasatch)