Utah Plant Pest Diagnostic Lab

Diseases Diagnosed in March 2011

Shothole Disease

Scientific Name: Stigmina sp.

shothole disease

Photo(s): Shothole disease, Whitney Cranshaw, Colorado State University, Bugwood.org.

Situation: On peach

County: Salt Lake County

Fact Sheets: Utah State University


Lenticels

Scientific Name: NA

lenticels

Photo(s): Lenticels, Dave Powell, USDA Forest Service, Bugwood.org

Note: Lenticels are NOT a plant disease, they are a natural formation that act as a pore, allowing the exchange of gases between the outside environment and the plant.

Situation: Lenticels on cherry

County: Salt Lake County

Fact Sheets: None


Necrotic Ring Spot

Scientific Name: Ophiosphaerlla korrae

nectrotic ring spot

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

*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.