Brian Hudelson, Sean Toporek, Ann Joy and Joyce Wu
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 11, 2015 through July 17, 2015.
Plant/Sample Type, Disease/Disorder, Pathogen, County
Field Crops
Corn, Red Root Rot, Phoma terrestris, Dunn
Corn, Yellow Leaf Blight, Phyllosticta maydis, Dunn
Wheat, Fusarium Head Blight (Scab), Fusarium graminearum, Fond du Lac
Wheat, Weathering, Miscellaneous fungi, Fond du Lac
Forage Crops
Alfalfa, Common Leaf Spot, Pseudopeziza medicaginis, Columbia
Alfalfa, Downy Mildew, Peronospora trifoliorum, Columbia
Alfalfa, Stemphylium Leaf Spot, Stemphylium Sp., Columbia
Vegetables
Kale, Bacterial Soft Rot, Pectobacterium carotovorum, Dane
Potato, Stem/ Root Rot, Rhizoctonia sp., Pythium sp., Washburn
Snap Beans, White Mold, Sclerotinia sclerotiorum, Dane
Tomato, Bacterial Speck, Pseudomonas syringae pv. tomato, Brown, Dane, Sauk
Tomato, Bacterial Spot, Xanthomonas sp., Dane
Tomato, Late Blight, Phytophthora infestans, Wood
Tomato, Septoria Leaf Spot, Septoria lycopersici, Green, Washburn
Soil
Alfalfa Soil, Aphanomyces Seedling Blight, Aphanomyces euteiches race 2, Waupaca
Soybean Soil, Soybean Cyst Nematode, Heterodera glycines, Dunn, Eau Claire, Juneau, Outagamie, Trempealeau
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu