Native North American Hops
A Valuable Genetic Resource for Disease Resistance

Table of Contents Slide 1 - Title Page Slide 2 - Hop Taxonomy Slide 3 - US distribution of H. lupulus var. neomexicanus Slide 4 - US distribution of H. lupulus var. pubescens Slide 5 - US distribution of H. lupulus var. lupuloides Slide 6 - US distribution of H. lupulus var. lupulus Slide 7 - Origin of recent North American seed collections at NCGR Slide 8 - Native North American collections - Seed germination 2001 Slide 9 - Range of susceptibility to powdery mildew - infected Slide 10 - Range of susceptibility - no infection Slide 11 - Origin of seedlots producing mildew resistant seedlings Slide 12 - Resistant seedling data Slide 13 - Seed regeneration efforts Slide 14 - 2002 Objectives

Email: khummer@ars-grin.gov Home Page: http://www.ars-grin.gov/cor Other information: A Presentation to the Hop Research Council January 2002