Crop Diseases in Corn, Soybean, and Wheat Gail Ruhl Department of Botany and Plant Pathology Purdue University West Lafayette, IN 47907 Email: ruhlg@purdue.edu

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Corn Disease Index | Soybean Disease Index | Wheat Disease Index
This web page address: http://www.btny.purdue.edu/Extension/Pathology/CropDiseases/

Click here for information on soybean rust at the Plant & Pest Diagnostic Lab

Index to CORN Diseases:

Seed and Seedling Diseases

Seed Rot
Seedling Blight

Leaf Diseases

Gray Leaf Spot
Anthracnose Leaf Blight
Common Corn Rust
Southern Corn Rust
Northern Corn Leaf Blight
Northern Leaf Spot
Southern Corn Leaf Blight
Stewart's Bacterial Disease

Stalk Rots

Anthracnose Stalk Rot
Diplodia Stalk Rot
Gibberella Stalk Rot
Fusarium Stalk Rot

Ear Rots

Diplodia Ear Rot
Gibberella Ear Rot
Fusarium Ear Rot
Aspergillus Ear Rot

Other Diseases

Maize Dwarf Mosaic
Maize Chlorotic Dwarf
Crazy Top

Index to SOYBEAN Diseases:

Leaf And Stem Diseases

Bacterial Blight
Brown Spot
Pod and Stem Blight
Downy Mildew

Root and Lower Stem Diseases

Phytophthora Rot
Rhizoctonia Stem Rot
Sclerotinia Stem Rot
Brown Stem Rot
Sudden Death Syndrome
Charcoal Root Rot
Soybean Cyst Nematode

Virus Diseases

Bud Blight
Soybean Mosaic

Index to WHEAT Diseases:

Leaf Diseases

Powdery Mildew
Leaf Rust
Septoria Leaf Blotch
Tan Spot or Yellow Leaf Spot

Root Diseases

Fusarium Foot Rot
Rhizoctonia Spring Blight
Take-all

Seed and Head Diseases

Common Bunt (Stinking Smut)
Loose Smut
Septoria Glume Blotch
Scab (Head Blight)

Virus Diseases

Barley Yellow Dwarf
Soilborne Wheat Mosaic
Wheat Yellow Mosaic