Nebraska FFA Agronomy CDE- Plant Dieases

Ergot

Ergot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Ergot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Fruit/Flower

Bacterial Blight

Bacterial Blight - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Bacteria

Bacterial Blight - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Loose Smut

Loose Smut - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Loose Smut - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Fruit/Flower

Potassium (K) Deficiency

Potassium (K) Deficiency - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Nutritional

Potassium (K) Deficiency - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Rust

Rust - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Rust - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Common Corn Smut

Common Corn Smut - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Common Corn Smut - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Wheat streak mosaic virus

Wheat streak mosaic virus - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Virus

Wheat streak mosaic virus - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Cercospora Leaf Spot

Cercospora Leaf Spot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Cercospora Leaf Spot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Frogeye Leafspot

Frogeye Leafspot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Frogeye Leafspot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Herbicide Injury

Herbicide Injury - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Chemical

Herbicide Injury - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Frost Damage

Frost Damage - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Environmental

Frost Damage - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Common Leaf Spot

Common Leaf Spot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Common Leaf Spot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Late Blight of Potato

Late Blight of Potato - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Late Blight of Potato - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Powdery Mildew

Powdery Mildew - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Powdery Mildew - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Corn Ear Rot (Aspergillus, Fusarium, Gibberella)

Corn Ear Rot (Aspergillus, Fusarium, Gibberella) - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Corn Ear Rot (Aspergillus, Fusarium, Gibberella) - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Fruit/Flower

Iron (Fe) Chlorosis

Iron (Fe) Chlorosis - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Nutritional

Iron (Fe) Chlorosis - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Nitrogen (N) Deficiency

Nitrogen (N) Deficiency - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Nutritional

Nitrogen (N) Deficiency - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Phosphorus (P) Deficiency

Phosphorus (P) Deficiency - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Nutritional

Phosphorus (P) Deficiency - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Drought Damage

Drought Damage - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Environmental

Drought Damage - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Hail Damage

Hail Damage - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Environmental

Hail Damage - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Wind Damage

Wind Damage - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Environmental

Wind Damage - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Fusarium Head Blight

Fusarium Head Blight - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Fusarium Head Blight - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Fruit/Flower

Charcoal Rot

Charcoal Rot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Charcoal Rot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Roots/Stems

Corn Stalk Rot (Fusarium, Gibberella)

Corn Stalk Rot (Fusarium, Gibberella) - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Corn Stalk Rot (Fusarium, Gibberella) - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Roots/Stems

Goss's Wilt

Goss's Wilt - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Bacteria

Goss's Wilt - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Grey Leaf Spot

Grey Leaf Spot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Grey Leaf Spot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Northern Corn Leaf Blight

Northern Corn Leaf Blight - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Northern Corn Leaf Blight - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Foliage

Bean Pod Mottle Virus (plant or seed)

Bean Pod Mottle Virus (plant or seed) - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Virus

Bean Pod Mottle Virus (plant or seed) - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Fruit/Flower

Purple Stain

Purple Stain - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Purple Stain - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Fruit/Flower

Soybean Cyst Nematode

Soybean Cyst Nematode - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Nematodes

Soybean Cyst Nematode - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Roots/Stems

Sudden Death Syndrome

Sudden Death Syndrome - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Sudden Death Syndrome - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Multiple Components

Rhizoctonia Root & Crown Rot

Rhizoctonia Root & Crown Rot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Rhizoctonia Root & Crown Rot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Roots/Stems

Phytophthora Root Rot

Phytophthora Root Rot - Agronomic Disorder Agents

A. Bacteria

B. Chemical

C. Environmental

D. Fungal/Water Mold

E. Nutritional

F. Virus

G. Nematodes

Fungal/Water Mold

Phytophthora Root Rot - Economic Impact

A. Damage to Fruit/Flower

B. Damage to Foliage

C. Damage to Roots/Stems

D. Damage to Multiple Components

Damage to Roots/Stems