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You searched for: Start Over Topic Barley yellow dwarf viruses Remove constraint Topic: Barley yellow dwarf viruses Region Oregon >> United States Remove constraint Region: Oregon >> United States Collection Historical Images of Oregon State University Remove constraint Collection: Historical Images of Oregon State University

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1. Dr. William E. Sieveking comparing barley resistant and susceptible to yellow dwarf virus, 1961
Dr. William E. Sieveking comparing barley resistant and susceptible to yellow dwarf virus, 1961
Description
Dr. William E. Sieveking was an extension farm crops instructor and seed certification specialist from 1953-1969. Ethiopia 505 (CI9697) (resistant) and Hannchen (susceptible) barley tested.
2. Closeup of barley resistant and susceptible to yellow dwarf virus, 1961
Closeup of barley resistant and susceptible to yellow dwarf virus, 1961
Description
CI1227 barley resistant to yellow dwarf virus. Hannchen barley susceptible to yellow dwarf virus.
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