Aphids

Aphids may be green, black, brown, red, pink, or some other color. These pear-shaped insects are slow moving and range in size from 1/16 to 1/8 inch long. They have conspicuous slender antennae and near the rear end of the abdomen there are two tubes called cornicles....

Verticillium Wilt

Plants infected by Verticillium Wilt develop in response to water stress. Symptoms range from sudden wilt of individual branches to basic leaf scorch, stunted leaves, and branch die-back that occurs over a period of years. In many instances, symptoms develop only on...

Powdery Mildew

There are upwards of 300 species of fungi known to cause powdery mildew over a wide range of host plants. Most species of woody shrubs and trees can be infected. Some species of powdery mildew fungi infect only a few closely related hosts, whereas others have a broad...

Armillaria Root Rot

Culprit: Armillaria mellea (A generic catch all for many varieties of Armillaria) Armillaria is a common soil inhabiting fungus, commonly affecting Quercus, Prunus, Malus, Acer and Pinus. (Not limiting lists there are other genus’s also affected). Common occurrence of...