Compiled by Brian Hudelson and Hulubanche Kassa
The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from October 10, 2026 through October 16, 2026.
Broad-Leafed Woody Ornamentals
Plant: Aralia
Disease/Disorder: Verticillium Wilt
Pathogen: Verticillium sp.
County: Walworth
Plant: Oak (Northern Pin Oak)
Disease/Disorder: Chlorosis
Pathogen: None
County: Dane
Plant: Maple (Japanese)
Disease/Disorder: Verticillium Wilt
Pathogen: Verticillium sp.
County: Dane
Field Crops
Plant: Corn
Disease/Disorder: Chemical Burn (Suspected)
Pathogen: None
Counties: Eau Claire, Pierce
Plant: Corn
Disease/Disorder: Gibberella Stalk Rot
Pathogen: Fusarium graminearum
County: Green
Forage Crops
No New Diseases
Fruit Crops
No New Diseases
Herbaceous Ornamentals
Plant: Goldenrod (Stiff-Leaved)
Disease/Disorder: Rhizoctonia Foliar Blight
Pathogen: Rhizoctonia sp.
County: Rock
Houseplants
No New Diseases
Needled Woody Ornamentals
Plant: Juniper
Disease/Disorder: Cytospora Canker
Pathogen: Cytospora sp.
County: Dane
Plant: Juniper
Disease/Disorder: Stagnospora Canker
Pathogen: Stagnospora sp.
County: Dane
Vegetable Crops
Plant: Beet (Table)
Disease/Disorder: Pythium Root Rot
Pathogen: Pythium sp.
County: Columbia
Specialty Crops
No New Diseases
Miscellaneous
No New Entries