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 July 20, 2013 through July 26, 2013.
Plant/Sample Type, Disease/Disorder, Pathogen, County
Soybean, Root Rot, Pythium sp., Fusarium spp., Burnett, Winnebago
Apple, Black Rot, Sphaeropsis sp., Pierce
Raspberry, Raspberry Leaf Spot, Cylindrosporium rubi, Grant
Raspberry, Root Rot, Rhizoctonia sp., Fusarium sp., Bayfield
Horseradish, Root Rot, Fusarium spp., Pythium sp., Dunn
Tomato, Herbicide Damage, None, Barron
Tomato, Septoria Leaf Spot, Septoria lycopersici,, Dane
Watermelon, Pythium Fruit Rot, Pythium sp., Waushara
Alfalfa Soil, Aphanomyces Root Rot, Aphanomyces euteiches race 2, Dane, Jefferson
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.