Red Crown Rot of Hop in Oregon Caused by Phomopsis tuberivora (see information above) - click HERE

Association of Spring Pruning Practices with Severity of Powdery Mildew and Downy Mildew on Hop -  click HERE
An article published by Dr. David H. Gent, USDA-ARS, Oregon State University, Corvallis, OR; Dr. Gary Grove, Washington State University and collaborators in Plant Disease - September 2012.

New Outbreaks of Verticillium Wilt on Hop in Oregon Caused by Nonlethal Verticillium albo-atrum - click HERE
An article published by Dr. David H. Gent, USDA-ARS, Oregon State University, Corvallis, OR in Plant Health Progress on May 21, 2012.
 
 
Fungicides for Hop Powdery Mildew Management, 2012 - click HERE
A paper published by Dr. Gary Grove and Mark Nelson, Washington State University Irrigated Agriculture Research and Extension Center, Prosser, Washington - March 1, 2012
 
Sex and Powdery Mildew in the Hop Yard - click HERE
An article published by Dr. David Gent, USDA-ARS Research Plant Pathologist, Corvallis Oregon - March 1, 2012
 
Regional Powdery Mildew Management: A Case Study from Southern Idaho - click HERE
An article published by Dr. David Gent, USDA-ARS Research Plant Pathologist, Corvallis Oregon - March 1, 2012
 

Field Guide for IPM in Hops

The Pocket Version of the Field Guide for Integrated Pest Management in Hops was developed in 2009, and contains images of the primary pests, diseases, and beneficial organisms associated with hops in the U.S.  Development of the field guide was a collaborative effort of USDA Agricultural Research Service, Oregon State University, University of Idaho, and Washington State University in response to the U.S. hop industry's need for IPM information in a package more readily usable by producers and their field personnel. Funding for this publication was provided by the EPA Pesticide Environmental Stewardship Program.  Hard copies of the publication are out of stock.  The electronic version of the Pocket Version is available by clicking HERE

 

 

Field Guide for IPM in Hops

This field guide was released in 2009, and presents current, science-based information on all aspects of disease, weed, and pest and beneficial arthropod identification, biology, and management in a style intended for growers, consultants, and other field personnel. Over 200 color photos are provided throughout the book to aid in identification and diagnosis.  Development of the field guide was a collaborative effort of USDA Agricultural Research Service, Oregon State University, University of Idaho, and Washington State University in response to the U.S. hop industry's need for IPM information in a package more readily applied by producers. Funding for this publication was provided by the EPA Pesticide Environmental Stewardship Program.  Hard copies of the publication are out of stock.  The electronic version of the field guide is available by clicking HERE.
 

 

 

 

 

 

 

 

 

 

 

 

 

           

 

 

Compendium of Hop Diseases and Pests Now Available for Order

Compendium of Hop Diseases and Pests is a comprehensive and authoritative account of diseases and pests of hops as well as numerous other disorders and injuries that impact this valuable specialty crop. This compendium is a practical reference for anyone interested in healthy, high-quality hops, which in addition to brewing, is showing promise for use in sugar processing and as a preservative in ethanol production and for its potential use as an antimicrobial additive in animal feed.
 
More than 140 color images are presented with expert scientifically peer-reviewed descriptions of the identifying characteristics of disease and pest symptoms and their causal agents. This book also provides an overview of the taxonomy and botanical traits of the genus Humulus. It provides insight into cone uses and chemistry, methods for hop production, and an extensive list of hop cultivars and their characteristics. The description of each disease or pest includes a general account of its importance and world distribution, symptoms, causal organism or agent, disease cycle and epidemiology, management, and selected references. The references document the descriptions and provide resources for additional information.
 
The Compendium is $65.00 and can be ordered now by calling 1.800.328.7560 or visiting the http://www.shopapspress.org/coofhopdiand.html.