UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Sean Toporek, and Ann Joy

The PDDC receives samples of many plant and soil samples from around the state. The following diseases/disorders have been identified at the PDDC from May 21, 2016 through May 27, 2016.

Plant/Sample Type, Disease/Disorder, Pathogen, County

Fruit Crops
Apple, Black Rot, Sphaeropsis sp., Dane
Apple, Cytospora Canker, Cytospora sp., Dane
Blueberry, Fusicoccum Canker. Fusicoccum sp., Winnebago
Cherry, Sooty Mold, None, Dodge
Grape, Herbicide Damage, None, Pierce

Blindweed, Root Rot, Fusarium oxysporum, Stephenson (IL)

For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.