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 UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update Minimize
Location: BlogsWisconsin Crop ManagerPlant Disease    
Posted by: WCM Staff 8/28/2008 8:04 AM
The PDDC receives samples of many plant samples from around the state. The following diseases/disorders have been identified at the PDDC since August 13, 2008.

UW-Extension/Madison Plant Disease Diagnostic Clinic (PDDC) Update

Brian Hudelson, Ann Joy, Amy Gibbs, and Brooke Weber, Plant Disease Diagnostics Clinic


The PDDC receives samples of many plant samples from around the state. The following diseases/disorders have been identified at the PDDC since August 13, 2008:

 

PLANT

DISEASE/DISORDER

PATHOGEN

COUNTY

FIELD CROPS

 

 

 

Corn (including seed)

Barley Yellow Dwarf

 

Common Rust

 

Yellow Leaf Blight

Barley Yellow Dwarf Virus

 

Puccinia sorghi

 

Phyllosticta maydis

Sauk

 

Sauk

 

McHenry (IL)

Soybean

Bacterial Blight

 

 

Brown Spot

 

Root Rot

 

Stem Canker

Pseudomonas syringae pv. glycinea

 

Septoria glycines

 

Phytophthora sp.

 

Pythium sp., Rhizoctonia sp.

Kewaunee

 

 

Kewaunee

 

Kewaunee

 

Dane

Wheat

Black Point

 

 

Scab

Alternaria sp., Helminthosporium sp.

 

Fusarium graminearum.

Calumet

 

 

Calumet

FRUIT CROPS

 

 

 

Grape

Anthracnose

 

Black Rot

 

Growth-Regulator Herbicide Injury

Sphaceloma ampelinum

 

Phyllosticta ampelicida

 

None (Chemical)

Vernon

 

Vernon

 

Manitowoc

VEGETABLES

 

 

 

Bean (Snap)

Root Rot

Pythium sp., Fusarium sp.

Sauk

Melon

Anthracnose

Colletotrichum obiculare

Winnebago

Pepper (including banana)

Anthracnose

 

Blossom End Rot

Colletotrichum sp.

 

None (Nutritional)

Dane

 

Dane

Pumpkin (Atlantic giant)

Root Rot

Pythium sp.

St. Croix

Tomato

Bacterial Speck

Pseudomonas syringae pv. tomato

Rock

Watermelon

Fusarium Wilt

 

Root Rot

Fusarium oxysporum

 

Pythium sp.

Rock

 

Rock

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

 

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