Wisconsin Disease Almanac – June 6, 2025

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Compiled by Brian Hudelson and Dante Tauscheck

The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from May 31, 2025 through June 6, 2025.

 

 


Broad-Leafed Woody Ornamentals Icon

Broad-Leafed Woody Ornamentals

Plant:  Aspen
Disease/Disorder:  Herbicide Damage
Pathogen:  None
County:  Dane

Plant:  Buckthorn (Fern Leaf)
Disease/Disorder:  Crown Rust
Pathogen:  Puccinia coronata
County:  Dane

Plant:  Hawthorn
Disease/Disorder:  Cedar-Quince Rust
Pathogen:  Gymnosporangium clavipes
County:  Dane

Plant:  Hawthorn
Disease/Disorder:  Improper Planting
Pathogen:  None
County:  Dane

Plant:  Lilac (Japanese Tree)
Disease/Disorder:  Cold Injury (Suspected)
Pathogen:  None
County:  Dane

Plant:  Maple (Unspecified)
Disease/Disorder:  Anthracnose
Pathogen:  Discula sp.
County:  Lafayette

Plant:  Oak (Bur)
Disease/Disorder:  Herbicide Damage
Pathogen:  None
County:  Dane

Plant:  Rose
Disease/Disorder:  Phomopsis/Diaporthe Canker
Pathogen:  Phomopsis sp./Diaporthe sp.
County:  Milwaukee

Plant:  Rose
Disease/Disorder:  Virus Disease
Pathogen:  Unspecified virus
County:  Milwaukee

Plant:  Witch-Hazel
Disease/Disorder:  Herbicide Damage
Pathogen:  None
County:  Dodge

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Field Crops Icon

Field Crops

No New Diseases

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Forage Crops Icon

Forage Crops

No New Diseases

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Fruit Crops Icon

Fruit Crops

Plant:  Peach
Disease/Disorder: Peach Leaf Curl
Pathogen:  Taphrina deformans
Counties:  Washington, Waukesha

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Herbaceous Ornamentals Icon

Herbaceous Ornamentals

Plant:  Geranium (Perennial)
Disease/Disorder:  Polygonum-Geranium Rust
Pathogen:  Puccinia polygoni-amphibii
County:  Rock

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Houseplants Icon

Houseplants

No New Diseases

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Needled Woody Ornamentals Icon

Needled Woody Ornamentals

Plant:  Arborvitae
Disease/Disorder:  Urine Damage (Suspected)
Pathogen:  None
County:  Milwaukee

Plant:  Pine (Red)
Disease/Disorder:  Diplodia Shoot Blight and Canker
Pathogen:  Diplodia sp.
County:  Dane

Plant:  Pine (White)
Disease/Disorder:  White Pine Blister Rust
Pathogen:  Cronartium ribicola
County:  Dane

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Vegetable Crops Icon

Vegetable Crops

No New Diseases

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Specialty Crops Icon

Specialty Crops

No New Diseases

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Miscellaneous Icon

Miscellaneous

No New Reports

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