Compiled by Brian Hudelson and Hulubanche Kassa
The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from October 31, 2026 through November 6, 2026.
Broad-Leafed Woody Ornamentals
Plant: Rose
Disease/Disorder: Monochaetia Leaf Spot
Pathogen: Monochaetia sp.
County: Waukesha
Field Crops
No New Diseases
Forage Crops
No New Diseases
Fruit Crops
Plant: Strawberry
Disease/Disorder: Root Rot
Pathogen: Rhizoctonia sp.
County: Dunn
Herbaceous Ornamentals
Plant: Dahlia
Disease/Disorder: Crown Gall
Pathogen: Agrobacterium tumefaciens
County: St. Croix
Houseplants
No New Diseases
Needled Woody Ornamentals
Plant: Spruce (Unspecified)
Disease/Disorder: Cytospora Canker
Pathogen: Cytospora sp.
County: Waukesha
Vegetable Crops
Plant: Beet (Table)
Disease/Disorder: Root Rot
Pathogen: Rhizoctonia sp.
County: Columbia
Plant: Carrot
Disease/Disorder: Bacterial Leaf Blight
Pathogen: Xanthomonas sp.
County: Waushara
Specialty Crops
No New Diseases
Miscellaneous
No New Entries