G. R. Hoerner, Agent of the USDA, wrote this report under legislative funds on research comparing spray nozzles for effective spraying of hops for downy mildew.
Hop Quality Studies report written on 1950 crop. Authors are G. R. Hoerner, Agent (Pathologist) for the Division of Tobacco, Medicinal, and Specialty; D. E. Bullis, Chemist for the Agricultural Experiment Station; D. D. Hill, Agronomist for the Agricultural Experiment Station; B. W. Whitlock, Pacific Coast Headquarters, Grain Branch, Production and Marketing Administration, USDA; W. T. Wisbeck, Marketing Specialist for Grain Branch, Production and Marketing Administration, USDA.
G. R. Hoerner, Agent, Division of Drug and Related Plants for the USDA, wrote this second progress report of hop disease investigations, with particular reference to the downy mildew plaguing the industry.