Report of Cooperative Hop Breeding Project written by R. E. Fore, Agent of the Division of Drug and Related Plants in the Bureau of Plant Industry for the USDA.
Report of Cooperative Hop Breeding Project written by R. E. Fore, Agent of the Division of Drug and Related Plants in the Bureau of Plant Industry for the USDA.
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.
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.
First report from hops breeding and research program, written by E. N. Bressman, Associate Agronomist for the Oregon Experiment Station and Agent Division of Drug and Related Plants for USDA.