Compiled by Brian Hudelson and Dante Tauscheck
The following diseases/disorders were identified at the Plant Disease Diagnostics Clinic from February 22, 2025 through February 28, 2025.
Page Table of Contents
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Broad-Leafed Woody Ornamentals
Plant: Oak (Unspecified)
Disease/Disorder: Armillaria Root Disease (Suspected)
Pathogen: Armillaria sp.
County: None (Republic of Singapore)
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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: Calibrachoa
Disease/Disorder: Powdery Mildew (Suspected)
Pathogen: Oidium sp.
County: Taylor
Plant: Hosta
Disease/Disorder: Physical Abrasion (Suspected)
Pathogen: None
County: Jefferson
Plant: Pachysandra
Disease/Disorder: Volutella Blight
Pathogen: Volutella pachysandricola
County: Waukesha
Plant: Pachysandra
Disease/Disorder: Winter Burn
Pathogen: None
County: Waukesha
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Houseplants
No New Diseases
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Needled Woody Ornamentals
Plant: Pine (Austrian)
Disease/Disorder: Diplodia Shoot Blight and Canker (Suspected)
Pathogen: Diplodia sp.
County: Racine
Plant: Pine (Austrian)
Disease/Disorder: Water Stress (Suspected)
Pathogen: None
County: Racine
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Vegetable Crops
Plant: Rosemary
Disease/Disorder: Powdery Mildew (Suspected)
Pathogen: Oidium sp.
County: Fond du Lac
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Specialty Crops
No New Diseases
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Miscellaneous
No New Reports
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