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 October 3, 2015 through October 9, 2015.
Plant/Sample Type, Disease/Disorder, Pathogen, County
Field Crops
Corn, Eyespot, Kabatiella zeae, Grant
Corn, Gray Leaf Spot, Cercospora sp., Grant
Corn, Northern Corn Leaf Blight, Exserohilum turcicum, Grant
Oats, Crown Rust, Puccinia coronata, Dane
Soybean, Antracnose, Colletotrichum sp., Washington, McHenry (IL)
Soybean, Brown Stem Rot, Phialophora gregata, Washington
Soybean, Cercospora Leaf Spot, Cercospora kukuchii, Marquette
Soybean, Charcoal Rot, Macrophomina phaseolina, Dane, Washington, McHenry (IL)
Soybean, Downy Mildew, Peronospora manshurica, Marquette
Soybean, Pod and Stem Blight, Diaporthe phaseolorum, McHenry (IL)
Soybean, Powdery Mildew, Oidium sp., Marquette
Soybean, Root Rot, Fusarium oxyporum, Pythium sp., McHenry (IL)
Soybean, Stem Canker, Diaporthe phaseolorum, Dane
Fruit Crops
Blueberry, Root/Crown Rot, Pythium sp., Eau Claire
Specialty Crops
Ginseng, Phytophthora Root Rot, Phytophtora sp., Sauk
Hop, Carlavirus, Unidentified carlavirus, Dane
Hop, Downy Mildew, Pseudoperonospora humili, Dane
Vegetables
Bean (Kidney), Root Rot, Aphanomyces sp., Pythium sp., Fusarium sp., Rhizoctonia sp., Dunn
Bean (Pinto), Rust, Uromyces appendiculatus, Dane
Cabbage, Black Rot, Xanthomonas sp., Outagamie
Potato, Late Blight, Phytophtora infestans, Adams
Tomato, Late Blight, Phytophtora infestans, Sheboygan
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu