Image Gallery
This gallery contains images of common plant disease problems which occur in Connecticut. Clicking the link below an image will open a fact sheet which explains the disease and options for management.
[Vegetables] [Woody Ornamentals] [Herbaceous Ornamentals]
Vegetables
Basil Downy Mildew Basil Bacterial Leaf Spot
Basil Foliar Nematode Broccoli Bacterial Black Rot
Brussel Sprout Bacterial Black Rot Cabbage Bacterial Black Rot
Beet Fungal Leaf Spot Cucumber Anthracnose
Cucurbit Anthracnose Cucumber Downy Mildew
Cucurbit Powdery Mildew Eggplant Impatiens Necrotic Spot Virus
Eggplant Verticillium Wilt Garlic Blue Mold
Garlic Scape Anthracnose Garlic White Rot
Pepper Bacterial Leaf Spot Pepper - Impatiens Necrotic Spot Virus
Pepper Phytophthora Blight Pepper - Tomato Spotted Wilt Virus
Potato Late Blight Tomato Anthracnose
Tomato Impatiens Necrotic Spot Virus Tomato Spotted Wilt Virus
Tomato Gray Leaf Spot Tomato Cercospora Leaf Mold
Tomato Herbicide Injury
Woody Ornamentals
Ash Leaf Rust Andromeda Botryosphaeria Canker
Birch Anthracnose Boxwood Black Root Rot
Boxwood Winter Injury Butterfly bush Phytophthora root rot
Cedar-apple Rust Cedar Botryosphaeria Canker
Cherry Black Knot Cherry Fungal Leaf Spot
Dogwood Anthracnose Dogwood Powdery Mildew
Dutch Elm Disease Elm Stegophora Leaf Spot
Enkianthus Anthracnose Forsythia Phytophthora root rot
Hawthorn Anthracnose Hawthorn Entomosporium Leaf Spot
Holly Winter Injury Holly Phyllosticta Leaf Spot
Honey Locust Cercospora Leaf Spot Horse Chestnut Leaf Blotch
Hornbeam Botryosphaeria Canker Hornbeam Anthracnose
Lilac Powdery Mildew Leucothoe Powdery Mildew
Magnolia Powdery Mildew Maple Anthracnose
Maple Tar Spot Maple Botryosphaeria Canker
Maple Powdery Mildew Maple Verticillium Wilt
Mountain Laurel Leaf Spot Ninebark Powdery Mildew
Oak Anthracnose Oak Botryosphaeria Canker
Oak Leaf Blister Oak Tubakia Leaf Spot
Oak Powdery Mildew Pear Trellis Rust
Pear Powdery Mildew Pear Scab
Plum Black Knot Rhododendron Fungal Leaf Spot
Rhododendron Leaf Gall Rhododendron Winter Injury
Rhododendron Phytophthora root rot Rose Black Spot
Rose Brand Canker Rose Downy Mildew
Sycamore Powdery Mildew Winterberry Powdery Mildew
Herbaceous Ornamentals
Anemone Foliar Nematode Ajuga Rhizoctonia Blight
Aster Rust Begonia Botrytis Blight
Chrysanthemum Brown Rust Coreopsis Powdery Mildew
Cyclamen Impatiens Necrotic Spot Virus Dalia Potyvirus
Daisy Bacterial Leaf Spot Dianthus Botrytis Blight
Fern Foliar Nematode Geranium Edema
Hellebore Phytophthora Root Rot Hellebore Southern Blight
Heuchera Bacterial Leaf Spot Hollyhock Rust
Hosta Anthracnose Hosta Southern Blight
Hosta X Virus Heuchera Botrytis Blight
Impatiens Downy Mildew Iris Tomato Spotted Wilt Virus
Iris Fungal Leaf Spot Lamium Downy Mildew
Lavender Bacterial Leaf Spot Lavender Black Root Rot
Liatris Rhizoctonia Web Blight
Edema on Viola Zinnia Botrytis Blight
Lawn
Anthracnose Bipolaris Lear Spot
Fruit
Apple Cedar-Apple Rust Apple Black Rot
Apple Marssonina Blotch Apple Scab
Apple Botryosphaeria Canker Blueberry Botrytis Blight
Blueberry Phomopsis Canker Cherry Brown Rot
Grape Black Rot Grape Downy Mildew
Grape Powdery Mildew Grape Anthracnose
Peach Brown Rot Peach Leaf Curl
Peach Powdery Mildew Pear Fabraea Leaf Spot
Strawberry Anthracnose Strawberry Powdery Mildew
Conifers
Cedar-Quince Rust Cedar Botryosphaeria canker
Douglas Fir Diplodia Blight Douglas Fir Rhabdocline Needle Cast
Douglas Fir Swiss Needle Cast Douglas Fir Rhizosphaera Needle Cast
Fir Delphinella Shoot Blight Fir Phytophthora root rot
Juniper Cedar-Hawthorn Rust Juniper Cedar-Quince Rust
Juniper Phomopsis Tip Blight Juniper Seiridium Canker
Leyland Cypress Seiridium Canker Pine Wilt
Pine Diplodia Blight Spruce Needle Rust
Spruce Rhizosphaera Needle Cast Spruce Stigmina Needle Cast
Spruce Winter Injury White Pine Dooks Needle Blight
