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Plant Diseases and Damage
Plant Diseases and Damage
Alfalfa
Stunted, withered alfalfa
Severe discoloration of alfalfa taproot
Healthy alfalfa taproot
Alfalfa crown rot
Alfalfa weevil damage
Alfalfa Weevil Damage
Aphanomyces
Common Leaf Spot
Downy Mildew
Heaved alfalfa plants
Hopperburn
Leptosphaerulina
Leaf Spot
Spring Blackstem
Variegated Cutworm Damage
Winter-injured alfalfa
Winter-killed alfalfa
Barley
Ergot sclerotia and barley grain
Corn
Anthracnose
Armyworm Damage
Aspergillus
Billbug Damage
Black Cutworm Damage
Cladosporium Ear Rot
Common Rust
Common Smut
Corn Earworm Damage
Corn Rootworm Damage
Corn seedling infected by fungi
Corn Leaf Aphid
Crown Rot in Corn
Diplodia Ear Rot
European Corn Borer Damage
Eyespot
Fall Armyworm Damage
Flooding
Frost Damage
Fungicidal Efficacy
Fusarium Ear Rot
Geese Damage
Gibberella Ear Rot
Grasshopper Damage
Gray Leaf Spot
Hail Damage
Herbicide Injury
Holcus Spot
Hop Vine Borer
Nitrogen Deficiency
Nematode damage
Nigrospora Ear Rot
Nitrogen Deficiency
Northern Corn Leaf Blight
Northern Leaf Spot
Potassium Deficiency
Purple Corn
Replanting
Rhizoctonia
Seedling Diseases
Seedling Diseases
Slug Injury
Southern Rust
Stalk Borer Damage
Stalk Rot
Stewart's Disease
Stink Bug Damage
Striped Corn
UAN and Urea Burn
Uneven Corn
Western Bean Cutworm Damage
Western Corn Rootworm Beetle Damage
White Grub Damage
Oak Tatter
Oak tatter
Oats
Crown Rust
Yellow Dwarf Virus
Soybean
Asian Soybean Rust
Bacterial Blight
Bean Leaf Beetle Damage
Bean Pod Mottle Virus
Black Cutworm Damage
Bean Pod Mottle Virus
Brown Spot
Brown Spot
Brown spot vs. bacterial blight
Brown Stem Rot
Cercospora Leaf Spot
Damping-Off
Downy Mildew
False Chinch Bug Damage
Frogeye Leaf Spot
Green Cloverworm Damage
Growth Regulator Injury
Herbicide Injury
Imported Longhorned Weevil Damage
Iron Chlorosis
Japanese Beetle Damage
Potassium Deficiency
Phomopsis
Phyllosticta leaf spot
Prosulfuron (Exceed) Injury
Root Rot
Seed Rot
Seedling Blight
Soybean Aphid Symptoms
Soybean Cyst Nematode
Soybean Mosaic Virus
Soybeans with Phytophthora root rot
Soybeen seedling disease
Spider Mite Damage
Stem Canker
Stem Rot
Sudden Death Syndrome
Top Dieback
Variegated Cutworm Damage
White Mold
Wheat
Barley Yellow Dwarf Virus
Leaf Rust
Molds
Powdery Mildew
Wheat Scab
Iowa State University Entomology Department
. Last modified July 18, 2002 by
John VanDyk
.