Brian Hudelson, Sean Toporek, Catherine Wendt, Claire Wisniewski, 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 August 22, 2015 through August 28, 2015.
Plant/Sample Type, Disease/Disorder, Pathogen, County
Field Crop
Corn, Eyespot, Kabatiella zeae, Iowa, Rusk
Corn, Fusarium Root Rot, Fusarium oxysporum, Rusk, Jo Daviess
Corn, Gray Leaf Spot, Cercospora sp., Iowa
Corn, Northern Corn Leaf Blight, Exserohilum turcicum, Rusk
Corn, Purple Leaf Sheath, None, Rusk
Soybean, Bacterial Blight, Pseudomonas syringae pv. glycinea, Sauk
Soybean, Downy Mildew, Peronospora manshurica, Sauk
Soybean, Root Rot, Fusarium sp., Sauk
Soybean, Sclerotinia Stem Rot, Sclerotinia sclerotiorum, Dane
Soybean, Stem Canker, Phomopsis sp., Dane
Soybean, Sudden Death Syndrome, Fusarium virguliforme, Buffalo
Fruit Crops
Blueberry, Chlorosis, None, Milwaukee
Vegetables
Celery, Cucumber Mosaic, Cucumber mosaic virus, Dane
Celery, Tobacco Mosaic, Tobacco mosaic virus, Dane
Potato, Bacterial Soft Rot, Miscellaneous soft rot bacteria, Portage
Potato, Verticillium Wilt, Pseudoperonospora cubensis, Dane
Squash (Winter), Powdery Mildew, Oidium sp., Dane
Squash (Winter), Downy Mildew, Pseudoperonospora cubensis, Dane
Tomato, Cucumber Mosaic, Cucumber mosaic virus, Outagamie
Tomato, Late Blight, Phytophthora infestans, Kenosha, Wood
Tomato, Septoria Leaf Spot, Septoria lycopersici, Dane
Tomato, Tobacco Mosaic, Tobacco mosaic virus, Outagamie
Soil
Alfalfa Soil, Aphanomyces Seedling Blight, Aphanomyces euteiches race 2, Wood
Soybean Soil, Soybean Cyst Nematode, Heterodera glycines, Eau Claire, Iowa, Jefferson
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu