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Diseases of Trees in North America

An Index of Common Tree Diseases

There are over 20 tree disease that contribute to health decline and death of most of the trees in the United States. This list of tree diseases cause most tree health problems and death. These diseases are the cause of significant replacement expense of yard trees and the commercial expense of future losses of forest products.

APSnet

Plant pathology on-line provided by the American Phytopathological Society...

Alex Shigo on Tree Systems

The ultimate tree biologist...

Bugwood Family of Sites

An entomology and forest resources digital information work group to include tree diseases...

Forestpathology.org

"This site is provided as an aid to those learning forest and shade tree pathology. It has been called an online textbook; I hope that it lives up to that billing."

Forest Health

The official Forest Health site including monitoring...

Forest Pathology

From the Canadian Forest Service...

ForestPests.org

Major Forest Pests of North America...

Forest and Tree Pests by CSFS

A site maintained by the Colorado State Forest Service...

Littleleaf Disease on Loblolly Pine

UGA report on Littleleaf disease...

Non-Infectious Tree Disease

How to identify non-infectious forest pathogens ...

Forest Pests from Ohio Division of Forestry

A really good overview of forest pests from Ohio's Department of Natural Resources, Division of Forestry...

Pine Diseases

Morton Arboretum handout on pine diseases (pdf)...

The Tree Bark Page

WVU's site on bark to include wounds and disease...

Tree Decay, An Expanded Concept

A USFS publication by tree physiologist Alex Shigo...

Root Disease Management Guidebook

Handbook of root diseases from British Columbia Ministry of Forests...

Tom Volk's Home Page

Great fungi site...

Forest and Tree Health, USDA, Forest Service, State and Private

The U.S Forest Service, State and Private, brings you forest health publications you can download...

Pesticide Labeling

A directory of forest pesticide labels from the Alabama Cooperative Extension Serivce...

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