Compiled by Brian Hudelson and Dante Tauscheck

The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from December 13, 2025 through December 19, 2025.

 

 

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Broad-Leafed Woody Ornamentals

No New Diseases

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Field Crops

No New Diseases

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Forage Crops

No New Diseases

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Fruit Crops

No New Diseases

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Herbaceous Ornamentals

Plant:  Dahlia
Disease/Disorder:  Crown Gall
Pathogen:  Agrobacterium tumefaciens
County:  Warren (NY)

Plant:  Phlox
Disease/Disorder:  Leafy Gall
Pathogen:  Rhodococcus facians
County:  Ottawa (MI)

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Houseplants

No New Diseases

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Needled Woody Ornamentals

Plant:  Juniper 
Disease/Disorder:  Cytospora Canker
Pathogen:  Cytospora sp.
County:  Dane

Plant:  Juniper 
Disease/Disorder:  Sphaeropsis Canker
Pathogen:  Sphaeropsis sp.
County:  Dane

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Vegetable Crops

No New Diseases

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Specialty Crops

No New Diseases

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Miscellaneous

No New Entries

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