UW-Madison/Extension Plant Disease Diagnostic Clinic (PDDC) Update

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 10, 2015 through October 16, 2015.

Plant/Sample Type, Disease/Disorder, Pathogen, County

Field Crops
Soybean, Charcoal RotMacrophomina phaseolina, Buffalo
Soybean, Root Rot, Fusarium oxysporum, Buffalo

Fruit Crops
Cherry, Cherry Leaf Spot, Phloeosporella padi, Walworth

Vegetables
Eggplant, Septoria Leaf Spot, Septoria sp., Sheboygan
Tomato, Late Blight, Phytophthoria infestans, Portage, Sheboygan

Soil
Soybean Soil, Soybean Cyst Nematode, Heterodera glycines, Buffalo, Iowa

For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu