Plant Disease Diagnostic Clinic (PDDC) Update, 6-29-17

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 June 24, 2017 through June 30, 2017.

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

FIELD CROPS   

Wheat, Stripe Rust, Puccinia striiformis, Dane

FRUIT CROPS   

Apple, Phomopsis Canker, Phomopsis sp., Winona (MN)

Cherry, Bacterial Canker, Pseudomonas syringae, Dane

Cherry, Phomopsis Canker, Phomopsis sp., Dane

Pear, Pear Scab, Venturia pirina, Outagamie

Strawberry, Botrytis Fruit Rot, Botrytis cinerea, Clark

Strawberry, Tan-Brown Rot, Hainesia lythri, Clark

VEGETABLE CROPS   

Bean (Pole), Rust, Uromyces appendiculatus, Brown

Potato, Black Leg, Dickeya dianthicola, Portage

Pepper, Fusarium Stem Rot, Fusarium sp., Washburn

Pepper, Pythium Stem Rot, Pythium sp., Washburn

Tomato, Myrothecium Leaf Blight, Myrothecium sp., Portage

SOIL

Alfalfa Soil, Aphanomyces Root Rot/Seedling Blight, Aphanomyces euteiches race 2, Green