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

Brian Hudelson, Sean Toporek, Jake Kurczewski 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 April 29, 2017 through May 5, 2017.

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

Fruit Crops
Apple, Black Rot, Sphaeropsis sp., Rock
Apple, Cytospora Canker, Cytospora sp., Rock
Apple, Phomopsis Canker, Phomopsis sp., Rock
Apple, Root RotPythium sp., Fusarium sp., Rock

Vegetable Crops
Tomato, Arabis Mosaic, Arabis mosaic virus, Dane
Tomato, Cucumber Mosaic, Cucumber mosaic virus, Dane
Tomato, Tobacco Mosaic, Tobacco mosaic virus, Dane

For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.
Follow the clinic on Facebook and Twitter @UWPDDC.