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 29, 2017 through August 4, 2017.
PLANT/SAMPLE TYPE, DISEASE/DISORDER, PATHOGEN, COUNTY
Corn, Northern Corn Leaf Blight, Exserohilum turcicum, Adams
Apple, Arthracnose, Gloeosporium sp., Bayfield
Blueberry, Gloeosproium Leaf Spot and Stem Canker, Gloeosporium sp., Bayfield, Oneida
Cranberry, Phyllosticta Leaf Spot, Upright Dieback, Phyllostickta elongata, Phomopsis sp., Vilas, Vilas
Grape, Herbicide Damage, None, Columbia
Cucumber, Anthracnose, Colletotrichum orbiculare, Sauk
Onion, Purple Blotch, Stemphylium Leaf Blight, Alternaria porri, Stemphylium sp., Sauk, Sauk
Pumpkin, Bacterial Wilt, Erwinia tracheiphila, Milwaukee
Squash (Summer), Bacterial Wilt, Erwinia tracheiphila, Milwaukee
Tomato, Bacterial Canker, Bacterial Speck, Septoria Leaf Spot, Clavibacter michiganensis subsp. michiganensis, Pseudomonas syringae pv. tomato, Septoria lycopersici, Douglas, Sauk, La Crosse, Milwaukee
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.