Created and maintained by Penn State University Agricultural Services, this guide is a resource for "people who wish to produce fruit on a small scale (on one acre or less) and who are not legally licensed to use pesticides." The guide discusses topics such as getting started, pruning and training fruit trees, pests and pesticides, and controlling wildlife damage. It also includes individual...

This Topic in Depth explores some of the diseases and other threats that certain trees must contend with to remain healthy and vital. The first website (1), from the USDA Forest Service-St. Paul Field Office, contains a collection of archived publications designed to help people diagnose, control, and identify various threats to different types of trees. Examples of these publications include: How...

As part of the University of California Cooperative Extension, the Forest Pathology and Mycology Laboratory conducts research "focused on the diagnosis and management of tree diseases and on the development of valuable non-timber forest products such as mushrooms." The Laboratory website includes information regarding ongoing research projects as well as information about faculty and student...

The Internet continues to evolve as a global library, allowing free and easy public access to an increasing number of valuable documents. One such treasure, found in the archives of the USDA Forest Service St. Paul Field Office website, is _ Silvics of North America_, a substantial publication describing "the silvical characteristics of about 200 conifers and hardwood trees in the coterminous...