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 October 15, 2016 through October 21, 2016.

Field Crops
Corn, Gibberella Stalk Rot, Fusarium graminearum, Dodge
Corn, Goss’ Wilt, Clavibacter michiganesis subsp. nebraskensis, Dodge
Soybean, Green STem Syndrome, Miscellaneous viral pathogens, Rock

Fruit Crops 
Apple, Flyspeck, Schizothyrium pomi, Oneida
Apple, Russet, None, Oneida
Apple, Sooty Blotch, Miscellaneous sooty blotch fungi, Oneida

Vegetable Crops
Garlic, Fusarium Bulb Rot, Fusarium sp., Dane
Garlic, Penicillium Bulb Rot, Penicillium sp., Dane

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

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