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Plant Disease This handbook is intended as a ready reference guide to the control and management tactics for the more important plant diseases in the Pacific Northwest. This book should be used by—and has been expressly written for—county Extension agents ...
Contact us Handbook Senior Editors Dr. Jay W. Pscheidt, Oregon State University Contact Dr. Pscheidt with questions about fruits, nuts, and ornamentals Dr. Cynthia M. Ocamb, Oregon State University Contact Dr. Ocamb with questions about vegetables and fie ...
History of the handbook Upon Iain MacSwann’s retirement as an Oregon State University Extension plant pathologist in 1988, he wrote a dedication that claimed this handbook was started in 1958. However, Paul Koepsell always maintained that it was started m ...
Acknowledgements The information in this handbook has been compiled from many sources. We sincerely appreciate the time and effort that everyone spent preparing and reviewing this material. Many of the past authors and contributors have been identified in ...
Citing this handbook The PNW Plant Disease Management Handbook is published in print and online. Both formats contain the same content and are revised on the same schedule. The online version also contains supplemental content, such as photos and related ...
About the Plant Disease Handbook This handbook is intended as a ready reference guide to the control and management tactics for the more important plant diseases in the Pacific Northwest. No attempt has been made to include all of the plant diseases that ...
Diagnosis and Testing ...
Pathogen Articles ...
Pathogens Common to Many Plants ...
Nematodes R. Ingham, Nematologist, OSU H.J. Jensen, Nematologist emeritus, OSU The word nematode is derived from Greek words meaning “threadlike.” This, in turn, is partly responsible for our calling this group of invertebrate animals “thread-worms.” Nema ...
