Plant Disease Diagnostic Clinic (PDDC) Update, 6-23-17

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 17, 2017 through June 23, 2017.

PLANT/SAMPLE TYPE, DISEASE/DISORDER, PATHOGEN, COUNTY

FIELD CROPS

Soybean, Charcoal Rot, Fusarium Seedling Blight, Macrophomina phaseolina, Fusarium sp., Grant County, Grant County

FORAGE CROPS

Alfalfa, Aphanomyces Root Rot, Fusarium Root Rot, Phytophthora Root Rot, Pythium Root Rot, Rhizoctonia, Root Rot, Aphanomyces euteiches, Fusarium sp. Phytophthora sp. Pythium sp. Rhizoctonia sp., Calumet County, Calumet County, Calumet County, Calumet County, Calumet County

FRUIT CROPS

Apple, Anthracnose, Apple Scab, Coniothyrium Leaf Spot, Discosia Leaf Spot, Root/Crown Rot, Colletotrichum sp. Venturia inaequalis Coniothyrium sp. Discosia sp. Cylindrocarpon sp., Dane County, Dane/Portage County, Dane County, Dane County, Iowa County

Apricot (Manchurian), Bacterial Canker, Brown Rot, Pseudomonas syringae Monilinia sp., Brown County, Brown County

Blueberry, Phomopsis Canker, Root/Crown Rot, Phomopsis sp. Rhizoctonia sp., Columbia County, Columbia County

Cherry (‘Carmine Jewel’), Bacterial Canker, Brown Rot, Pseudomonas syringae, Monilinia sp., Brown County, Brown County

Cherry (Nanking), Brown Rot, Monilinia sp., Brown County

Plum (Red), Bacterial Canker, Brown Rot, Pseudomonas syringae, Monilinia sp., Brown County, Brown County

Plum (Yellow), Bacterial Canker, Brown Rot, Pseudomonas syringae, Monilinia sp., Brown County, Brown County

Rhubarb, Anthracnose, Pseudomonas Leaf Blight, Colletotrichum sp., Pseudomonas sp., Portage County, Portage County

VEGETABLE CROPS

Celery, Cucumber Mosaic, Tobacco Mosaic, Cucumber mosaic virus, Tobacco mosaic virus, Marathon County, Marathon County

Pea, Aphanomyces Root Rot, Aphanomyces euteiches, Waushara County

Snap Bean, Fusarium Root Rot, Pythium Root Rot, Rhizoctonia Root Rot, Fusarium sp., Pythium sp., Rhizoctonia sp., Waushara County, Waushara County, Waushara County


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. 

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