Brian Hudelson, Ann Joy, Joyce Wu, Tom Hinsenkamp, and Catherine Wendt, Plant Disease Diagnostics Clinic
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 12, 2014 through July 18, 2014.
Plant/Sample Type, Disease/Disorder, Pathogen, County
FIELD CROPS,
Corn, Chemical Burn, None, Sauk
Corn, Seedling Blight, Pythium sp., Marathon
Soybean, Cercospora Blight, Cercospora kikuchii, Iowa
FRUIT CROPS,
Apple, Fire Blight, Erwinia amylovora, Marinette
Apple, Sphaeropsis Canker, Sphaeropsis sp., Vernon
Apple, Winter Injury, None, Dane, Dunn, Vernon
Currant, Unidentified Viral Disease, Unidentified virus, Dane
Dogwood, Bacterial Leaf Spot, Pseudomonas syringae, Dane
Strawberry, Stem End Rot, Gnomonia sp., Waushara
VEGETABLES,
Basil, Downy Mildew, Peronospora belbahrii, Dane
Broccoli, Root/Crown Rot, Pythium sp., Vernon
Cucumber, Anthracnose, Colletotrichum orbiculare, Rock
Garlic, Fusarium Basal Plate Rot, Fusarium spp. Waukesha
Garlic, Soft Rot, Pectobacterium carotovorum, Waukesha
Garlic, Stem and Bulb/Bloat Nematode, Ditylenchus sp., Waukesha
Mustard Greens, Black Rot, Xanthomonas campestris, Racine
Mustard Greens, White Rust, Albugo candida, Racine
Squash, Phytophthora Crown/Root Rot, Phytophthora capsici, Green Lake
Tomato, Bacterial Canker, Clavibacter michiganensis subsp. michiganensis, Portage
For additional information on plant diseases and their control, visit the PDDC website at pddc.wisc.edu.