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 UW-Extension/Madison Plant Disease Diagnostic Clinic Update Sept 6, 2006 Minimize
Location: BlogsWisconsin Crop ManagerPlant Disease    
Posted by: WCM Staff 9/21/2006 7:45 PM
The Clinic receives samples of many field, forage, fruit and vegetable crops from around the state. The following diseases are what we identified since August 29, 2006:

UW-Extension/Madison Plant Disease Diagnostic Clinic Update

Nick Benzschawel, Ashley Bergeron, Emily Church, Amy Gibbs, Ann Joy, Brooke Weber, Catherine Wendt and Brian Hudelson, Plant Disease Diagnostics Clinic

The Clinic receives samples of many field, forage, fruit and vegetable crops from around the state.  The following diseases are what we identified since August 29, 2006:

CROP

DISEASE/DISORDER

PATHOGEN/CAUSE

COUNTY

Cabbage

Black Rot

 

Xanthomonas campestris pv. campestris

 

Rock

 

Corn

Anthracnose Stalk Rot

Fusarium Stalk Rot

Gray Leaf Spot

 

Gibberella Stalk Rot

Northern Corn Leaf Blight

Northern Corn Leaf Spot

 

Colletotrichum graminicola

Fusarium sp.

Cercospora zeae-maydis

 

Fusarium graminearum

Exserohilum turcicum

Bipolaris zeicola

Dane, Pierce

Pierce

Rock, McHenry (IL)

Dane

McHenry (IL)

McHenry (IL)

Cucumber

Downy Mildew

 

Pseudoperonospora cubensis

Portage

Grape

Sour Bunch Rot

 

Miscellaneous Yeasts and Bacteria

Goodhue (MN)

Potato

 

Bacterial Soft Rot

Common/Pit Scab

Early Blight

Leak

Powdery Scab

 

Verticillium Wilt

Erwinia carotovora

Streptomyces scabies

Alternaria solani

Pythium sp.

Spongospora subterranea f. sp. subterranea

Verticillium sp.

Waushara

Waushara

Jefferson

Portage

Langlade

 

Jefferson

Raspberry

 

Raspberry Leaf Spot

 

Septoria darrowii

Green

Soybean

 

Anthracnose

 

Brown Spot

 

Downy Mildew

Root Rot

Stem Canker

Soybean Cyst Nematode

Sudden Death Syndrome

White Mold

Colletotrichum sp.

 

Septoria glycines

 

Peronospora manshurica

Fusarium sp.

Diaporthe phaseolorum

Heterodera glycines

Fusarium solani

Sclerotinia sclerotiorum

Barron, Green Lake, Juneau

Green Lake, Juneau

Dane

Barron

Juneau

Jefferson, Juneau

Green Lake

Dane

 

Tomato

 

Septoria Leaf Spot

Septoria lycopersici

Iowa

For additional information on plant diseases and their control, visit the PDDC website at http://pddc.wisc.edu

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