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

Brian Hudelson, Sean Toporek, Jake Kurczewski 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 19, 2016 through November 25, 2016.

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

Forage Crops

Alfalfa, Root/Crown Rot, Phytophthora sp., Pythium sp., Fusarium sp., Fillmore (MN)

Fruit Crops
Cherry, White Rot, Irpex lacteus, Oconto

Vegetable Crops
Carrot, Bacterial Soft Rot, Pectobacterium carotovorum, Portage
Carrot, Fusarium Dry Rot, Fusarium sp., Portage
Carrot, Pythium Root Rot, Pythium sp., Portage

Soil
Soybean Soil, Soybean Cyst Nematode, Heterodera glycines, Rock

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

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