Table of Contents
PLANT DISEASES CCA TRAINING
COMPETENCY AREA 2 Management of Plant Diseases
Disease Identification
SYMPTOMS
Disease symptoms
SIGNS
Disease signs
CLASSIFY DISEASES BY PATHOGEN
EXAMPLES
KNOW CONDITIONS THAT FAVOR DISEASE DEVELOPMENT FOR EACH DISEASE
DETERMINE CONTROL MEASURES FOR EACH DISEASE
CULTURAL CONTROLS
DISEASE CONTROL
CORN DISEASES
Lesion nematode Symptom/Sign
Lesion Nematode
Lesion nematode Control Methods
Maize dwarf mosaic (virus) Symptom/Sign
Maize Dwarf Mosaic
Maize dwarf mosaic (virus) Conditions favoring development
Maize dwarf mosaic (virus) Control Methods
Maize chlorotic dwarf (virus) Symptom/Sign
Maize chlorotic dwarf (virus)
Maize chlorotic dwarf (virus) Conditions favoring development
Maize chlorotic dwarf (virus) Control Methods
Northern corn leaf blight (fungus) Symptom/Sign
Northern Corn Leaf Blight (fungus)
Northern corn leaf blight (fungus) Conditions favoring development
Northern corn leaf blight (fungus) Control Methods
Southern corn leaf blight (fungus) Symptom/Sign
Southern Corn Leaf Blight (fungus)
Southern corn leaf blight (fungus) Conditions favoring development
Southern corn leaf blight (fungus) Control Methods
Carbonum(Northern corn) Leaf Spot (fungus) Symptom/Sign
Carbonum Leaf Spot
Carbonum(Northern corn) Leaf Spot Conditions favoring development
Carbonum leaf blight (fungus) Control Methods
Gray leaf spot (fungus) Symptom/Sign
Gray Leaf Spot (fungus)
Gray leaf spot (fungus) Conditions favoring development
Gray leaf spot (fungus) Control Methods
Common Rust (fungus) Symptom/Sign
Common Rust (fungus)
Rust Conditions favoring development
Rust Control Methods
Fusarium stalk rot (fungus) Symptom/Sign
Fusarium Stalk Rot
Fusarium stalk rot (fungus) Conditions favoring development
Fusarium stalk rot (fungus) Control Methods
Fusarium ear rot (fungus) Symptom/Sign
Fusarium Ear Rot
Fusarium ear rot (fungus) Conditions favoring development
Fusarium ear rot (fungus) Control Methods
SOYBEAN DISEASES
Damping Off Symptom/Sign
Damping Off Conditions favoring development
Damping Off
Damping Off Control Methods
Phytophthora root rot (fungus) Symptom/Sign
Phytophthora Root Rot
Phytophthora root rot (fungus) Conditions favoring development
Phytophthora root rot (fungus) Control Methods
Rhizoctonia root rot (fungus) Symptom/Sign
Rhizoctonia root rot (fungus) Conditions favoring development
Rhizoctonia root rot (fungus) Control Methods
Septoria leaf spot (Brown spot) Symptom/Sign
Septoria leaf spot Conditions favoring development
Septoria leaf spot Control Methods
Charcoal rot Symptom/Sign
Charcoal Rot
Charcoal rot Conditions favoring development
Charcoal rot Control Methods
Sclerotinia white mold (fungus) Symptom/Sign
Sclerotinia White Mold
Sclerotinia white mold (fungus) Conditions favoring development
Sclerotinia white mold (fungus) Control Methods
Pod and stem blight (fungus) Symptom/Sign
Pod and Stem Blight
Pod and stem blight (fungus) Conditions favoring development
Pod and stem blight (fungus) Control Methods
Anthracnose Symptom/Sign
Anthracnose
Anthracnose Conditions favoring development
Anthracnose Control Methods
Soybean cyst nematode Symptom/Sign
Soybean Cyst Nematode
Soybean Cyst Nematode
Soybean cyst nematode Control Methods
Root knot nematode Symptom/Sign
Root Knot Nematode
Root knot nematode Control Methods
Soybean mosaic (virus) Symptom/Sign
Soybean Mosaic (virus)
Soybean mosaic (virus) Conditions favoring development
Soybean mosaic (virus) Control Methods
Tobacco Ringspot Virus Symptom/Sign
Tobacco Ringspot
Tobacco Ringspot Conditions favoring development
Tobacco Ringspot Control Methods
Wheat Diseases
Powdery Mildew (fungus) Symptom/Sign
Powdery Mildew
Powdery Mildew (fungus) Conditions favoring development
Powdery Mildew (fungus) Control Methods
Leaf rust (fungus) Symptom/Sign
Leaf Rust
Leaf rust (fungus) Conditions favoring development
Leaf rust (fungus) Control Methods
Septoria leaf and glume blotch (fungus) Septoria nodorum Symptom/Sign
Septoria Leaf and Glume Blotch
Septoria leaf and glume blotch (fungus) Conditions favoring development
Septoria leaf and glume blotch (fungus) Control Methods
Scab (fungus) Symptom/Sign
Scab
Scab (fungus) Conditions favoring development
Scab (fungus) Control Methods
Take-all (fungus) Symptom/Sign
Take-all
Take-all
Take-all (fungus) Conditions favoring development
Take-all (fungus) Control Methods
Barley yellow dwarf (virus) Symptom/Sign
Barley Yellow Dwarf
Barley yellow dwarf (virus) Conditions favoring development
Barley yellow dwarf (virus) Control Methods
Wheat spindle streak mosaic (virus) Symptom/Sign
Wheat Spindle Streak
Wheat spindle streak mosaic (virus) Conditions favoring development
Wheat spindle streak (virus) Control Methods
Loose Smut (fungus) Symptom/Sign
Loose Smut (fungus) Control Methods
Alfalfa Diseases
Phytophthora root rot (fungus) Symptom/Sign
Phytophthora Root Rot
Phytophthora Root Rot
Phytophthora root rot (fungus) Conditions favoring development
Phytophthora root rot (fungus) Control Methods
Anthracnose (fungus) Symptom/Sign
Anthracnose
Anthracnose (fungus) Conditions favoring development
Anthracnose (fungus) Control Methods
Sclerotinia crown rot (fungus) Symptom/Sign
Sclerotinia Crown Rot
Sclerotinia Crown Rot
Sclerotinia crown rot (fungus) Conditions favoring development
Sclerotinia crown rot (fungus) Control Methods
Leaf spots (fungus)-Common Lepto Symptom/Sign
Leaf Spots
Leaf spots (fungus)-Common Lepto Conditions favoring development
Leaf spots (fungus)-Common Lepto Control Methods
Spring blackstem (fungus) Symptom/Sign
Spring Blackstem
Spring blackstem (fungus) Conditions favoring development
Spring blackstem (fungus) Control Methods
Verticillium wilt (fungus) Symptom/Sign
Verticillium Wilt
Verticillium Wilt
Verticillium wilt (fungus) Conditions favoring development
Verticillium wilt (fungus) Control Methods
Most Common Symptoms of Nematode Injury
FUNGICIDE CLASSIFICATION
TREATMENT THRESHOLDS FOR FUNGICIDE APPLICATION
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