Compiled by Brian Hudelson and Dante Tauscheck

The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from April 19, 2025 through April 25, 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

Plant:  Blueberry
Disease/Disorder:  Cold Injury (Suspected)
Pathogen:  None
County:  Vernon

Plant:  Blueberry
Disease/Disorder:  Lichens
Pathogen:  None
County:  Vernon

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Herbaceous Ornamentals

Plant:  Astilbe
Disease/Disorder:  Tobacco Rattle
Pathogen:  Tobacco rattle virus
County:  Jefferson

Plant:  Pachysandra
Disease/Disorder:  Volutella Blight
Pathogen:  Volutella pachysandricola
County:  Waukesha

Plant:  Pachysandra
Disease/Disorder:  Winter Burn
Pathogen:  None
County:  Waukesha

Plant:  Tradescantia
Disease/Disorder:  Tobacco Rattle
Pathogen:  Tobacco rattle virus
County:  Jefferson

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Houseplants

Plant:  Hibiscus
Disease/Disorder:  Fertility Issues (Suspected)
Pathogen:  None
County:  Waukesha

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Needled Woody Ornamentals

Plant:  Arborvitae
Disease/Disorder:  Root Rot
Pathogen:  Phytophthora sp.
County:  Waukesha

Plant:  Pine (Japanese White)
Disease/Disorder:  Artillery fungus 
Pathogen:  None
County:  Dane

Plant:  Spruce (Norway)
Disease/Disorder:  Hail Damage
Pathogen:  None
County:  Dane

Plant:  Spruce (Norway)
Disease/Disorder:  Spruce Needle Drop
Pathogen:  Setomelanomma holmii
County:  Racine

Plant:  Spruce (Unspecified)
Disease/Disorder:  Rhizosphaera Needle Cast
Pathogen:  Rhizosphaera kalkhoffii
County:  Waukesha

Plant:  Spruce (Unspecified)
Disease/Disorder:  Water Stress (Suspected)
Pathogen:  None
County:  Waukesha

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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 Reports

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