Proceedings of the 55th Annual Western Orchard Pest and Disease Management Conference, held January 20-22, 1981 at the Imperial Hotel in Portland, Oregon.
These abstracts of progress reports on research conducted on the principal insect and disease pests of tree fruits and nuts in the states of California, Colorado, Idaho, Montana, Oregon, Utah and Washington, and the Province of
British Columbia, are not intended to be recommendations of the project. Official recommendations can only be made by public service entomologists and plant pathologists from their respective areas.
These abstracts are reproduced by the
Oregon State University Cooperative Extension Service