A Message On Service Changes
The PDDC continues to have limited capacity to process physical samples. Visit our Services page for details on the clinic’s current submission process. Last Update: January 6, 2023.
The PDDC will continue to rely heavily on making digital diagnoses. Visit our Digital Diagnosis page to submit your photos. There is a $20 fee for digital diagnostics. For a complete list of fees, visit our Fees page.
If you are from outside Wisconsin, please contact the PDDC *before* you submit a sample.
Plant Disease Diagnostics Clinic 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.
Plant Disease Talks
| PDDC Plant Disease Talks
Each month in 2023, the UW Plant Disease Diagnostics Clinic will sponsor a Zoom Visit our Plant Disease Talks page to learn more.
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Events
October Events
The Bad and the Ugly: Ten Plant Diseases NOT to Compost
(2023 PDDC Plant Disease Talks)
October 25, 2023
6:30 – 8:30 PM
Statewide via Zoom
Register Here
Limerickettsia Book
Check out our new Limerickettsia book!
Disease Medallions
Learn about our new UW Plant Disease Facts Medallion Project.
Come back often and check for new medallions as they become available.
Sample Medallions
Click the image to open an enlargement in a new window.
Monthly Notes from the PDDC
Plant Disease Pointers
Fact Sheet Additions/Updates