Field Guide for Integrated Pest Management in Hops

AcknowledgementsFunding for this handbookwas made by possibleby a grant from theU.S. EnvironmentalProtection Agency PesticideEnvironmental StewardshipProgram. Financial supportalso was provided by OregonHop Commission, OregonState University, Universityof Idaho, U.S. Departmentof Agriculture AgriculturalResearch Service, WashingtonHop Commission,and Washington StateUniversity. The editorsgratefully acknowledgethe many reviewers andauthors who contributedto this publication. Wealso recognize the U.S. hopindustry for its continuedsupport of research,extension, integratedpest management, andenvironmental stewardship.Reference in this publicationto a trademark, proprietaryproduct, or company nameby personnel of the U.S.Department of Agricultureor anyone else is intendedfor explicit description onlyand does not imply approvalor recommendation to theexclusion of others that maybe suitable.All rights reserved. Noportion of this bookmay be reproduced inany form, includingphotocopy, microfilm,information storage andretrieval system, computerdatabase, or software, orby any means, includingelectronic or mechanical,without written permissionfrom the Washington HopCommission.Copyright is not claimedin any portion of this workwritten by U.S. governmentemployees as a part of theirofficial duties.© 2009 Washington HopCommissionContributorsAmerican Phytopathological Society, St. Paul, MinnesotaC. Baird, Southwest Idaho Research and Extension Center, University of Idaho, ParmaDez J. Barbara, Horticulture Research International, Warwick, United KingdomJames D. Barbour, Southwest Idaho Research and Extension Center,University of Idaho, ParmaRon A. Beatson, HortResearch, Motueka, New ZealandJohn C. Bienapfl, University of California, DavisCenter for Invasive Species and Ecosystem Health (formerly Bugwood Network),University of Georgia, TiftonAmy J. Dreves, Oregon State University, CorvallisKen C. Eastwell, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserBernhard Engelhard, Bavarian State Research Center for Agriculture, Wolnzach, GermanyGlenn C. Fisher, Oregon State University, CorvallisDavid H. Gent, U.S. Department of Agriculture - Agricultural Research Service,Oregon State University, CorvallisKen Gray Image Collection, Oregon State University, CorvallisGary G. Grove, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserFrank S. Hay, University of Tasmania, Burnie, Tasmania, AustraliaDavid G. James, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserDennis A. Johnson, Washington State University, PullmanWalter F. Mahaffee, U.S. Department of Agriculture, Agricultural Research Service,Corvallis, OregonTrish McGee, Sustainability Victoria, Melbourne, Victoria, AustraliaMark E. Nelson, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserCynthia M. Ocamb, Oregon State University, CorvallisRobert Parker, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserWilson S. Peng, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserSarah J. Pethybridge, Botanical Resources Australia, Ulverstone, Tasmania, AustraliaJohann Portner, Bavarian State Research Center for Agriculture, Wolnzach, GermanyCal B. Skotland, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserDarrell R. Smith, Busch Agricultural Resources, Inc., Yakima, WashingtonT. J. Smith, HortResearch, Motueka, New ZealandDouglas B. Walsh, Irrigated Agriculture Research and Extension Center,Washington State University, ProsserFlorian Weihrauch, Bavarian State Research Center for Agriculture, Wolnzach, GermanyJoanna L. Woods, Oregon State University, CorvallisLarry C. Wright, Irrigated Agriculture Research and Extension Center,Washington State University, Prosser