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   Trees & Shrubs
 more...>Disease Image Gallery>Ornamentals>Trees & Shrubs>
Diseases of Oaks
Powdery mildew symptoms on upper surface of oak leaves.

Oaks, a dominant member of the landscape, are subject to a number of diseases.

Diseases of Trees and Shrubs
Trees and shrubs are important components of the landscape, providing structure, texture and color. A variety of plant health problems caused by biotic and abiotic agents greatly affect the quality of these plants. The use of best management practices is essential for the establishment and care of landscape trees and shrubs and the prevention of disease.