Brian Hudelson, Sue Lueloff, John Lake 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 July 22, 2017 through July 28, 2017.
Plant/Sample Type, Disease/Disorder, Pathogen, County
Field Crops
Soybean, Bacterial Blight, Pseudomonas savastanoi pv. glycinea, Rock
Soybean, Fusarium Root Rot, Fusarium sp., Dodge, Outagamie
Soybean, Stem Canker, Diaporthe phaseolorum, Dodge, Outagamie
Soybean, Brown Spot, Septoria glycines, Rock
Wheat, Scab/Fusarium Head Blight, Fusarium graminearum, Columbia
Wheat, Weathering, None, Columbia
Fruit Crops
Apple, Blister Spot, Pseudomonas syringae pv. papulans, Winona (MN)
Apple, Cedar-Apple Rust, Gymnosporangium juniperi-virginianae, Sauk
Apricot, Bacterial Canker, Pseudomonas syringae, Milwaukee
Blueberry, Botrytis Blight, Botrytis sp., Washburn
Blueberry, Fusicoccum Canker, Fusicoccum sp., Washburn
Blueberry, Root Rot, Pythium sp., Washburn
Cherry, Cherry Leaf Spot, Blumeriella jaapii, Milwaukee
Rhubarb, Root/Crown Rot, Pythium sp., Rock
Strawberry, Root/Crown Rot, Pythium sp., Fusarium sp., Bayfield, Wood
Vegetable Crops
Asparagus, Root/Crown Rot, Fusarium sp., Pythium sp., Rhizoctonia sp. , Jackson
Cucumber, Pseudomonas Fruit Rot, Pseudomonas sp., Dane
Garlic, Fusarium Basal Plate Rot, Fusarium oxysporum, Grant
Pepper, Syringae Leaf Spot, Pseudomonas syringae pv. syringae, Rock
Potato, Black Leg, Dickeya dianthicola, Portage
Squash (Butternut), Angular Leaf Spot, Pseudomonas syringae pv. lachrymans, Rock
Squash (Unspecified), Root/Crown Rot, Pythium sp., Fusarium sp., Dane
Tomato, Bacterial Canker, Clavibacter michiganensis subsp. michiganensis, Walworth
Tomato, Late Blight, Phytophthora infestans, Waukesha
Tomato, Septoria Leaf Spot, Septoria lycopersici, Green Lake
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.
Follow the clinic on Facebook and Twitter @UWPDDC.