Diseases, insects and weeds

Choose a crop below to see diseases, insects & weeds.

Barley

Canola

Corn

Fruits

Potatoes

Pulses

Soybeans

Wheat

Botrytis blight in blueberries

Botrytis blight

Botrytis blight

Rust pustules on lower leaf surface

Leaf rust (blueberry)

Leaf rust (blueberry)

Monilinia blight

Monilinia blight

Monilinia blight

Root rot

Leaf infection with red margins

Septoria leaf spot

Septoria leaf spot

Valdensinia leaf spot

Valdensinia leaf spot

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Aphids

Obliquebanded leafroller

Obliquebanded leafroller

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Barnyardgrass

Barnyardgrass

Bindweed, field

Bindweed, field

Canada fleabane

Canada fleabane

Canada Thistle

Canada Thistle

Canola, Volunteer

Canola, Volunteer

Cleavers

Common Chickweed

Common Chickweed

Crabgrass, large (aka hairy)

Crabgrass, large (aka hairy)

Dandelion

Downy brome

Downy brome

Flixweed

Foxtail barley

Foxtail barley

Foxtail, giant

Foxtail, giant

Foxtail, green

Foxtail, green

Foxtail, yellow

Foxtail, yellow

Hawk's-beard, Narrow-leafed

Hawk's-beard, Narrow-leafed

Hempnettle, common

Hempnettle, common

Horsetail, field

Horsetail, field

Japanese Brome

Japanese Brome

Kochia

Ladysthumb

Lamb's-quarters

Lamb's-quarters

Mallow, common

Mallow, common

Milkweed, common

Milkweed, common

Mustard, wild

Mustard, wild

Mustard, wormseed

Mustard, wormseed

Nutsedge, yellow

Nutsedge, yellow

Old Witchgrass

Old Witchgrass

Persian Darnel

Persian Darnel

Pigweed, redroot

Pigweed, redroot

Proso millet

Proso millet

Purslane, common

Purslane, common

Quackgrass

Ragweed, common

Ragweed, common

Ragweed, giant

Ragweed, giant

Russian Thistle

Russian Thistle

Shepherd's-purse

Shepherd's-purse

Smartweed

Smartweed, green

Smartweed, green

Smooth Crabgrass

Smooth Crabgrass

Sowthistle, perennial

Sowthistle, perennial

Spurge, leafy

Spurge, leafy

Stinkweed

Stork's bill

Stork's bill

Toadflax

Velvetleaf

Waterhemp

Wild buckwheat

Wild buckwheat

Wild oats

Wirestem muhly

Wirestem muhly

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