Utah Plant Pest Diagnostic Lab

Diseases Diagnosed in June 2013

Pythium

Scientific Name: Pythium sp.

pythium

Photo(s): Pythium on Impatiens by Pamela Robert, University of Florida.

Situation: Impatiens

County: Wasatch

Fact Sheets: Penn State University


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


Summer Patch

Scientific Name: Magnaporthe poae

summer patch

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


Tobacco Mosaic Virus

Scientific Name: Tobacco Mosaic Virus

tobacco virus

tobacco virus

tobacco virus

tobacco virus

Photo(s): Tobacco Wilt Virus on Tomato taken by Claudia Nischwitz, Utah State University.

Situation: Tomato

County: Grand

Fact Sheets:

*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.