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 November 7, 2015 through November 13, 2015.

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

Vegetables
Carrot, Bacterial Soft RotPectobacterium carotovorum, Dane
Carrot, Cavity Spot, Pythium sp., Dane
Carrot, Cottony Rot/White Mold, Sclerotia sclerotiorum, Dane
Carrot, Crown Rot, Rhizoctonia sp., Dane, Waushara
Carrot, Fusarium Dry Rot, Fusarium sp., Dane
Crucifers (Miscellaneous), Black RotXanthomonas campestris, Iowa
Rutabaga, Crown Gall, Agrobacterium tumefaciens, Winneshiek (IA)

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