Proceedings of the 65th Annual Western Orchard Pest and Disease Management Conference, held January 9-11, 1991 at the Imperial Hotel in Portland, Oregon.
Proceedings of the 67th Annual Western Orchard Pest and Disease Management Conference, held January 13-15, 1993 at the Imperial Hotel in Portland, Oregon.
Published February 1999. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog