Blackline of walnuts
By: P.W. Miller, I.C. MacSwan, and Wilbur Bluhm.
Contributors: MacSwan, Iain C.; Bluhm, Wilbur L.; Oregon State University. Extension Service.
Series: FS -- 216.; Fact sheet (Oregon State University. Extension Service) -- 216.
Publisher: Oregon State University, Extension Service
Published: 1975
Place of publication: Corvallis, OR
Language: eng
Subjects: Walnut -- Diseases and pests -- Oregon.; Walnut -- Grafting -- Oregon.
Notes: Caption title.

"January 1975."