UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update June 10, 2022
In 2022, the PDDC continues to provide diagnoses through examination of digital photographs, as well as physical samples. Click here for the PDDC’s current submission policy, as well as information on the PDDC’s current fee structure. Digital diagnoses will be included in the Wisconsin Disease Almanac and when a digital diagnosis would normally require a lab confirmation, the disease/disorder will be labeled as “suspected”. The following diseases/disorders have been identified at the PDDC from June 4, 2022 through June 10, 2022.
| PLANT/SAMPLE TYPE | DISEASE/DISORDER | PATHOGEN | COUNTY |
| FRUIT CROPS | |||
| Apple | Chemical Burn (Suspected) | None | Calumet |
| Apricot | Chemical Burn (Suspected) | None | Calumet |
| Blueberry | Magnesium Deficiency (Suspected) | None | Marathon |
| Cherry (Sweet) | Chemical Burn (Suspected) | None | Calumet |
| Cherry (Tart) | Chemical Burn (Suspected) | None | Calumet |
| Nectarine | Chemical Burn (Suspected) | None | Calumet |
| Peach | Chemical Burn (Suspected) | None | Calumet |
| Pear | Anthracnose Chemical Burn (Suspected) | Gloeosporium sp. None | Calumet Calumet |
| Plum | Chemical Burn (Suspected) Cold Injury (Suspected) Overly Deep Planting Trunk Canker (Suspected) | None None None Unspecified canker organism | Calumet Vilas Vilas Vilas |
To learn more about plant diseases and their control, as well as PDDC educational resources and activities, visit the PDDC website at pddc.wisc.edu, follow the clinic on Facebook and Twitter @UWPDDC or email pddc@wisc.edu to subscribe to the PDDC listserv “UWPDDCLearn”.
This article was posted in Disease and tagged Ann Joy, Anthracnose, Apples, apricot, Blueberry, Brian Hudelson, chemical burn, Cherry, cold injury, disease, magnesium deficiency, nectarine, overly deep planting, PDDC, Peach, pear, Plant Disease Diagnostic Clinic, Plum, Sarah deVeer, Sue Lueloff, sweet cherry, tart cherry, trunk canker.