"This site contains the alphabetical (A to Z) text sections of the ... Pacific Northwest Plant Disease Management Handbook, part of the OSU Extension Plant Pathology slide collection, as well as photographs. ... Additional articles from the handbook have been incorporated into the 'Pathogens and Pesticides' section." Includes material about chemical, cultural, and biological control measures for plants in Washington state, Oregon, and Idaho. Also includes a glossary. From Oregon State University (OSU) Extension.