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 June 29, 2013 through July 5, 2013.
Plant/Sample Type, Disease/Disorder, Pathogen, County
FIELD CROPS
Corn, Seedling Blight, Pythium sp., Fusarium sp., Bipolaris sorokiniana, Adams, Walworth
Soybean, Seedling Blight, Fusarium oxysporum, Grant
FORAGE CROPS
Alfalfa, Aphanomyces Seedling Blight, Aphanomyces euteiches, Brown
Alfalfa, Aphanomyces Root Rot, Aphanomyces euteiches, Iowa
Alfalfa, Root Rot, Rhizoctonia solani, Fusarium sp., Iowa
FRUIT CROPS
Apple (‘Gala’), Fire Blight, Erwinia amylovora, Lincoln
VEGETABLES
Garlic, Aster Yellows, Aster Yellows Phytoplasma, Waukesha
Tomato, Late Blight, Phytophthora infestans, Sauk
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.