Compiled by Brian Hudelson and Dante Tauscheck
The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from March 14, 2026 through March 20, 2026.
Broad-Leafed Woody Ornamentals
Plant: Hawthorn
Disease/Disorder: Cedar-Quince Rust
Pathogen: Gymnosporangium clavipes
County: Waukesha
Field Crops
No New Diseases
Forage Crops
No New Diseases
Fruit Crops
No New Diseases
Herbaceous Ornamentals
Plant: Begonia
Disease/Disorder: Bacterial Blight
Pathogen: Xanthomonas sp.
County: Adams
Plant: Miscellaneous Herbaceous Annuals
Disease/Disorder: Root/Crown Rot
Pathogen: Rhizoctonia sp.
County: Putnam (IN)
Houseplants
No New Diseases
Needled Woody Ornamentals
No New Diseases
Vegetable Crops
No New Diseases
Specialty Crops
No New Diseases
Miscellaneous
No New Entries