Encyclopedia Articles

A

Angular Leaf Spot
Anthracnose on shade trees
Apple Scab
Ash Decline
Ash Rust
Aster Yellows

B

Bacterial Spot on Pepper and tomatoes
Bacterial Spot on Stonefruit Trees
Biotic vs. Abiotic - Distinguishing Disease Problems from Environmental Stresses or Disorders
Black Knot
Blossom End Rot
Bur Oak Blight

C

Cedar-Apple Rust
Cedar-Hawthorn Rust
Crown Gall
Cucurbit Bacterial Wilt
Cytospora Canker

D

Diplodia Tip Blight and Canker
Dothistroma Needle Blight
Downy Leaf Spot
Dutch Elm Disease

F

Fairy Rings
Fire Blight
Foliar Nematodes

G

Gray mold

H

Herbicide Injury
Hollyhock Rust
Hosta Petiole and Crown Rot
Hosta-infecting Virii

K

Kabatina Tip Blight

L

Leaf and Shoot Blight
Leaf Spot and Melting-out
Lilac Bacterial Blight

M

Maple Tar Spot
Mole Damage

N

Nutrient/Soil pH Imbalances

O

Oak Leaf Blister
Oak Tatters
Oak Wilt

P

Peach Leaf Curl
Peach Scab
Peony Leaf Blotch
Pin Oak Chlorosis
Pine Wilt
Poor Planting Practices and Post-planting Care
Powdery Mildew
Powdery Mildew-Turfgrass
Pseudocercospora Leaf Spot
Puffball

R

Raspberry Leaf Spot
Red Thread
Rhizosphaera Needle Cast
Rose Black Spot
Rose Rosette
Rust on Brambles

S

Seasonal Needle Loss
Septoria Leaf Spot
Slime Molds
Sooty Mold
Stigmina Needle Cast
Stinkhorns
Stone fruit brown rot
Sulfur Shelf

T

Tree decline
Turf Grass Rust

V

Verticillium Wilt

W

White mold, with a focus on vegetables
Winter Injury