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.

 

 

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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

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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

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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:  Goldenrod (Stiff-Leaved)
Disease/Disorder:  Rhizoctonia Foliar Blight
Pathogen: Rhizoctonia sp.
County:  Rock

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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:  Stagnospora Canker
Pathogen: Stagnospora sp.
County:  Dane

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Vegetable Crops

Plant:  Beet (Table)
Disease/Disorder:  Pythium Root Rot
Pathogen: Pythium sp.
County:  Columbia

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Specialty Crops

No New Diseases

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Miscellaneous

No New Entries

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