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

*Links on the page are not intended as authoritative sources of management information. Established links allow users to view pictures of pests and find general biology and control information; for Utah-specific control recommendations please contact the Utah Plant Pest Diagnostic Lab @ 435-797-2435. Pictures above are not always the exact species identified, but are representative photos of submitted samples.