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 May 6, 2017 through May 12, 2017.

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

Forage Crops
Alfalfa, Crown/Root Rot, Fusarium sp., Clark
Alfalfa, Pythium Root Rot, Pythium sp., Clark

Specialty Crops
Hop, Apple Mosaic, Apple Mosaic Virus, Ingham (MI)
Hop, Cucumber Mosaic, Cucumber mosaic virus, Ingham (MI)

Vegetable Crops
Potato, Bacterial Soft Rot, Dickeya sp., Portage
Potato, Dry Rot, Fusarium sambucinum, Langlade
Potato, Leak, Pythium sp., Langlade

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.