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

Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, 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 June 7, 2014 through June 13, 2014.

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

FRUIT CROPS,

Apple/Pear, Cytospora Canker, Cytospora sp., Monroe

Apple/Pear, Fire Blight, Erwinia amylovora, Monroe

Strawberry, Root/Crown Rot, Phytophthora sp., Pythium sp., Fusarium sp., Cylindrocarpon sp., Chippewa, Wood

VEGETABLES,

Basil, Downy Mildew, Peronospora belbahrii, Dane

Tomato, Gray Mold/Botrytis Blight, Botrytis cinerea, Portage

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