Barley and Hops

Past Hop Seminar Presentations:


Speakers and Topics

Michelle Marks, UW-Madison, Plant Pathologist; Dr. Amanda Gevens, UW-Extension/UW-Madison Plant Pathology   “Hop Disease: What we saw in 2018. What to Watch for in 2019” presentation: Wisconsin Hop Diseases & Their Management

Dr. Chris Baxter, UW-Extension/UW-Platteville   “Nitrogen Fertilization and Timing, Years of Data”  presentation:  Nitrogen Fertilization and Timing, Years of Data_2019 Winter Hops Seminar

Joshua Havil, MN Wild Hop Breeding Program   Hop Breeding, Branding and Patents”  presentation:  Havill_2019_HopBreeding_WI

Bryan Jenson, UW-Extension, IPM Coordinator “ Insect Update” presentation:  Insect Pests Hop Conference

Dan Carey, Brewmaster, New Glarus Brewing Company “Hops & Wisconsin Craft Beer – Southern Viewpoint”  presentation:  2019 Wisconsin Hop Conference Presentation New Glarus

Bo Bélanger; Brew Master and Owner; South Shore Brewing; President – WI Brewers Guild “Hops & Wisconsin Craft Beer – Northern Viewpoint”  presentation:  Hops 02162018 South Shore

Carrie Laboski, and Chris Baxter, discussed preliminary hop fertility information as gathered in 2016.  This study is looking at verifying and modifying UW-Extension current hop fertility recommendations.  Hop Fertility 2017 seminar v4

Michelle Marks, Research Assistant on hop diseases discussed what she has found the last four growing seasons on Wisconsin hops.  8th Hop Seminar Feb 25 2017

Amanda Gevens discussed hop disease protection products and scheduling.  2017 IPM Hop Diseases in Wisconsin_AJG

Dr. Jed Colquhoun, UW-Extension Weed Scientist   How hop herbicides work 3-16  Hop herbicides 3-16

Michelle Marks, UW-Madison Plant Pathology 2016 Hop Disease Research Update

Dr. Ruth Genger, UW-Madison Plant Pathology Clean hop stock March 12 2016 La Crosse meeting

Dr. Amanda Gevens, UW-extension Plant Pathologist Considerations for disease control in Wisconsin hop production 2016  Dec 2015 Hops fungicides for WI 2015_Gevens MOA

 Dried Hops classification as RAC 1993 EPA The difference between “harvesting” and “processing” of hops

Jaki Brophy, Hops USA 2016 UW Extension Hop Production for WI Craft Brew Industry – To Share


Collecting & Sending Samples for Hop Disease Testing

UW-Extension Plant Pathology

Directions for submitting samples to UW-Extension Plant Pathology are now available

Click on the link to view and download Directions for submitting Hop Disease Samples


2015 Presentations:

Hop Harvester PP-1    Hops-Harvester-Factsheet Hops Baler PP

Hops oasts PP    Hops-Oast-Factsheet1



Conference Presentations:

Dr. Thomas Shellhammer; Oregon State University Hop Chemist

Dr. Amanda Gevens; UW-extension Plant Pathologist

WDATCP  – Worker Protection Standard  Worker Protection Standard for Hop Producers


General Hop Information:

2014 insecticide revisions  Bryan Jensen, UW-Madison, IPM has researched the insecticides that are currently registered for use on hops in Wisconsin.

Wisconsin hop herbicide guide 2013  Daniel J. Heider, UW-Madison has researched the herbicides that are currently registered for use on hops in Wisconsin.  The list is very short.  There is an effort to get other herbicides registered, and we will update this list as they become available.

Michigan Hops Pub 

fertilizer guide  This hop fertilizer guide was written by Oregon State University.  UW-Wisconsin Soils Lab has developed recommendations, when samples are submitted.  The University of Wisconsin Soils Lab will now analyize soil samples and give recommendation for hops grown in wisconsin.  Soil tests forms are available at:

Sex and Powdery Mildew in the Hop Yard article 2-12  Excellent article by David Gent, USDA Hop Researcher.

Regional Powdery Mildew Management article 2-12  Northwest regional publication on powdery mildew management.

Spring Pruning PM DM Severity Gent et al  David Gent research article on the effectiveness of aggressive spring pruning on disease management.

David Gent - 2012 Conference

2013 Hop Production Seminar – Presentations

Insects in the Hop Yard-2013   Bryan Jensen, UW-Extension IPM Specialist, discussed common insect problems in hops and recommendations for scouting and treating from other parts of the country.

Hop Insecticides Feburary 2013  A list of insecticides which are currently approved for use on hops in Wisconsin.

Wisconsin Hop Quality 101  Dr. Val Peacock, Hop Solutions, inc.  discussed general hop quality principals.

Wisconsin Hop Quality 102  Dr. Peacock, discussed evaluating hops proper drying, handling and processing of hops.

Hops 2013 Gevens Fung Updates  Dr. Amanda Gevens, UW-Extension Plant Pathology, discussed disease problems in hops.

Disease-free hops planting stock  Dr Ruth Genger, UW-Madison, Plant pathologist discussed the process necessary to develop a disease free hop propagation program for Wisconsin.

Hops 2013 Irrigation  Matt Stasiak, Peninsula Research Station Superintendent, discussed irrigation options for hop yards.