Onion white rot
By: [prepared by Paul A. Koepsell and W.R. Simpson].
Contributors: Simpson, W. R.; Oregon State University. Extension Service.
Series: FS -- 235.; Fact sheet (Oregon State University. Extension Service) -- 235.
Publisher: Oregon State University, Extension Service
Published: 1976
Place of publication: Corvallis, OR
Language: eng
Subjects: White rot (Onions) -- Northwest, Pacific.
Notes: Caption title.

"October 1976."