Clinic Services Update (1/1/25)
You may have noticed that we removed the menu at the top. If you have trouble finding things, check out our “Where’d It Go” page to see a cross-reference table comparing the old and new menus.
Mission
The University of Wisconsin-Madison/Extension Plant Disease Diagnostics Clinic (PDDC) provides assistance in identifying plant diseases and provides educational information on plant diseases and their control.
PDDC clients include agricultural and horticultural producers (e.g., farmers, nursery owners), agricultural and horticultural professionals (e.g., crop consultants, arborists), home gardeners, Extension staff and Master Gardener volunteers, and state and local government (e.g., Wisconsin DNR, city and county foresters).
While the Plant Disease Diagnostics Clinic focuses on plant disease problems in the state of Wisconsin, any interested party is welcome and encouraged to take advantage of and participate in the Clinic’s educational services and activities.
If after exploring this website, you have questions about PDDC services feel free to contact the clinic at 608-262-2863 or bdh@plantpath.wisc.edu.
NOTE: This site contains PDFs. In some situations, when you try to access the PDF via the Chrome browser, you may briefly see an error message. If you wait about 30 seconds, the error message should clear and the PDF will display.
Upcoming Events
Latest Content Updates
| Date |
Resource Type | Resource Collection | Resource Title/Link |
| 4/28/25 | Article | PDDC Monthly Notes | The Root of the Problem |
| 4/21/25 | Quiz | UW Plant Disease Facts Medallions | Plant Problems to Watch for in 2025 |
| 4/21/25 | Fact Sheet | UW Plant Disease Facts | Plant Problems to Watch for in 2025 |
| 3/24/25 | Article | PDDC Monthly Notes | March Madness – Three Plant Diseases to Drive You Crazy in 2025 |
| 2/18/25 | Article | PDDC Monthly Notes | Garden & Green Living Expo 2025 |
| 1/30/25 | Article | PDDC Monthly Notes | Nothing Says Love Like a Plant Disease |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Silver Leaf |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Powdery Mildew |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Corn Smut |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Cedar-Apple Rust |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Blossom End Rot |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Black Knot |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Bird’s Nest Fungi |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Bacterial Soft Rot |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Armillaria Root Disease |
| 12/14/24 | Educational Materials | Building Block Plant Diseases | Apple Scab |