Utah Plant Pest Diagnostic Lab
Diseases Diagnosed in November 2012
Apple Scab (Venturiaceae)
Scientific Name: Ventuia inaequalis.
Photo(s): Ryan Davis USU
Situation: Apple tree
County: Utah
Fact Sheets: None
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
Armillaria
Pathogen: Armillaria
Photo(s): Armillaria on chestnut tree taken by Claudia Nischwitz, Utah State University
Situation: Chestnut Tree
County: Not recorded
Fact Sheets: Penn State University
Abiotic, unkown, and /or non-disease stressors in November
- Damage from wire on grape. (Photos only)
Photo/s: Damaged grape photos taken by Claudia Nischwitz, Utah State University
- Dodder. (Turf)
Problem: Cuscuta sp - a parasitic plant
Photo/s: Dodder photos taken by Claudia Nischwitz, Utah State University
Fact Sheets: University of Georgia