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

Brian Hudelson, Ann Joy, Erin DeWinter and Joyce Wu, Plant Disease Diagnostics Clinic

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 3, 2014 through May 9, 2014.

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


Broccoli, Sunburn/Water Stress, None, Dane

Tomato, Bacterial Canker, Clavibacter michiganensis subsp. Michiganensis,Douglas

Tomato, Ethylene Injury, None, Dane

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