This ClipArt gallery offers 86 illustrations of agricultural diseases and pests as well as techniques used to manage loses from disease and pests.

Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden death of the leaves, stems, shoots, or blossoms.

Early Blight of Potato

Illustrated is the early blight of a potato plant. It is a type of lesion causing more or less sudden…

A fungal disease that affects potato plants. It causes small lesions on the plant, eventually killing them.

Early Blight of Potatoes

A fungal disease that affects potato plants. It causes small lesions on the plant, eventually killing…

Illustrated is a power sprayer used to apply insecticides. It used in orchards.

Power Sprayer

Illustrated is a power sprayer used to apply insecticides. It used in orchards.

A tool used in washing the dust off plants. It can also wash the eggs of insects off the leaves before they have a chance to hatch.

Fountain Pump

A tool used in washing the dust off plants. It can also wash the eggs of insects off the leaves before…

One of the best known machines of its type, the Riley Locust-Catcher was employed to exterminate mass numbers of locusts plaguing fields. This device funneled locusts into a bag, sometimes containing poison, that would trap and kill the locusts.

Riley Locust-Catcher

One of the best known machines of its type, the Riley Locust-Catcher was employed to exterminate mass…

Sometimes known as Brown Rot, Monilinia fructigena is a plant pathogen. "Sclerotinia fructigena. a, the conidial form known as Monilia." -Whitney, 1911

Brown Rot

Sometimes known as Brown Rot, Monilinia fructigena is a plant pathogen. "Sclerotinia fructigena. a,…

"Scale-insect. Oyster-shell bark-louse of the apple (Mytilaspis pomorum); male. a, ventral view with wings closed; b, dorsal view with wings expanded; c, scale (line shows natural size); d, leg; f, antennal joint." -Whitney, 1911

Scale Insect

"Scale-insect. Oyster-shell bark-louse of the apple (Mytilaspis pomorum); male. a, ventral view with…

Illustrated is a splint broom used for applying insecticide. It is an early device.

Splint Broom

Illustrated is a splint broom used for applying insecticide. It is an early device.

A leaf damaged by the tobacco split worm.

Split Worm Damage

A leaf damaged by the tobacco split worm.

Geared automatic sprayer used by J. S. Lupton, Winchester, VA.

Lupton's Automatic Sprayer

Geared automatic sprayer used by J. S. Lupton, Winchester, VA.

Illustrated is the spraying of insecticide on park trees. This is done using a traction power sprayer.

Spraying Park Trees

Illustrated is the spraying of insecticide on park trees. This is done using a traction power sprayer.

Steam spraying apparatus constructed by the Shade and Fruit Tree Protective Association of New York.

Steam Spray Apparatus

Steam spraying apparatus constructed by the Shade and Fruit Tree Protective Association of New York.

Left-hand side of steam spraying machine constructed by W. R. Gunnis, San Diego, Cal.

Left Side of Steam Spraying Machine

Left-hand side of steam spraying machine constructed by W. R. Gunnis, San Diego, Cal.

Near view of couplings and details of steam spraying apparatus used in Prospect Park, Brooklyn, N.Y.

Prospect Park Steam Spraying Machine

Near view of couplings and details of steam spraying apparatus used in Prospect Park, Brooklyn, N.Y.

Right-hand side of steam spraying machine constructed by W. R. Gunnis, San Diego, Cal.

Right Side of Steam Spraying Machine

Right-hand side of steam spraying machine constructed by W. R. Gunnis, San Diego, Cal.

Steam spraying machine constructed by the city authorities of Springfield, Mass.

Springfield Steam Spraying Machine

Steam spraying machine constructed by the city authorities of Springfield, Mass.

Steam spraying machine used by T. B. Wilson, Hall's Corners, N.Y.

Wilson's Steam Spraying Machine

Steam spraying machine used by T. B. Wilson, Hall's Corners, N.Y.

A brass syringe, which is useful for washing dust off plants.

Brass Syringe

A brass syringe, which is useful for washing dust off plants.

A tool used for washing dust off plants.

Parlor Syringe

A tool used for washing dust off plants.

The Anderson Coal-oil Contrivance was a simple and effective locust extermination device. A flat pan was filled with coal tar or kerosene, and dragged over the surface of a locust infested field. Locusts would panic and jump into the pan, falling into the kerosene/tar, and die.

The Anderson Coal-oil Contrivance.

The Anderson Coal-oil Contrivance was a simple and effective locust extermination device. A flat pan…

The Flory-locust machine was a horse-drawn implement used by farmers to exterminate locust populations. This device was employed with moderate effect. Locusts would be startled into jumping as it rolled over them, and crushed in the moving belts.

The Flory-locust machine

The Flory-locust machine was a horse-drawn implement used by farmers to exterminate locust populations.…

The Price pan was a simple and effective locust extermination device. A flat pan was filled with coal tar or kerosene, and dragged over the surface of a locust infested field. Locusts would panic and jump into the pan, falling into the kerosene/tar, and die.

The Price Oil-Pan

The Price pan was a simple and effective locust extermination device. A flat pan was filled with coal…

Illustrated is a traction power sprayer used for spraying insecticide. It is used for street and park trees.

Traction Power Sprayer

Illustrated is a traction power sprayer used for spraying insecticide. It is used for street and park…

Protecting trees from cut-worms.

Tree Protection

Protecting trees from cut-worms.

The Wilson-Rhode locust catcher was a horse-drawn device used to trap and kill locusts. Locusts were a serious hazard to agriculture in the 1800's; this device was one of many used in an attempt to cut back on overwhelming locust populations.

Wilson-Rhode locust catcher

The Wilson-Rhode locust catcher was a horse-drawn device used to trap and kill locusts. Locusts were…

A cross-section of wood infested with insects.

Infested wood

A cross-section of wood infested with insects.