Utah Plant Pest Diagnostic Lab
Diseases Diagnosed in October 2013
Potato Scab
Scientific Name: Streptomyces scabies
Photo(s): Potato Scab taken by Claudia Nischwitz, Utah State University
Situation: Potato
County: Beaver
Fact Sheets: Cornell University
Coryneum Blight Shothole
Scientific Name: Wilsonmyces carpophilus
Photo(s): Coryneum Blight images from USU publications
Situation: Peach
County: Grand
Fact Sheets: Utah State University; Colorado State University
Phytophthora Root Rot
Scientific Name: Phytophthora sp
Photo(s): (Top) Apple tree infected with root rot; (Bottom) Pepper plants showing signs of being infected with phytophthora root rot, William M. Brown Jr., Bugwood.org.
Situation: Laurel
County: Salt Lake County
Fact Sheets: Alabama Cooperative Extension System