Wisconsin Disease Almanac – April 18, 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 April 12, 2025 through April 18, 2025.

 

 


Broad-Leafed Woody Ornamentals Icon

Broad-Leafed Woody Ornamentals

Plant:  Boxwood
Disease/Disorder:  Volutella Canker
Pathogen:  Volutella sp.
County:  Dane

Plant:  Honey Locust
Disease/Disorder:  White Rot
Pathogen:  Ganoderma applanatum, Ganoderma sessile
County:  Milwaukee

Plant:  Oak (Bur)
Disease/Disorder:  Bur Oak Blight
Pathogen:  Tubakia iowensis
County:  Dane

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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

No New Diseases

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Herbaceous Ornamentals Icon

Herbaceous Ornamentals

Plant:  Checkerbloom (Sidalcea)
Disease/Disorder:  Potyvirus Disease
Pathogen:  Unspecified potyvirus
County:  Jefferson

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Houseplants Icon

Houseplants

No New Diseases

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Needled Woody Ornamentals Icon

Needled Woody Ornamentals

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

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Vegetable Crops Icon

Vegetable Crops

Plant:  Broccolini
Disease/Disorder:  Root Rot
Pathogen:  Pythium sp.
County:  Waukesha

Plant:  Broccolini
Disease/Disorder:  Wire Stem
Pathogen:  Rhizoctonia solani
County:  Waukesha

Plant:  Pepper
Disease/Disorder:  Anthracnose
Pathogen:  Colletotrichum sp.
County:  Jefferson

Plant:  Pepper
Disease/Disorder:  Sunburn
Pathogen:  None
County:  Jefferson

Plant:  Tomato
Disease/Disorder:  Bacterial Speck (Suspected)
Pathogen:  Pseudomonas syringae pv. tomato
County:  Waukesha

Plant:  Tomato
Disease/Disorder:  Septoria Leaf Spot (Suspected)
Pathogen:  Septoria lycopersici
County:  Waukesha

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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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