Black currant spreads white-pine blister rust
By: by Samuel B. Detwiler
Edition: Rev. March 1930.
Series: Miscellaneous publication / United States Department of Agriculture -- no.        27
Publisher: U.S. Dept. of Agriculture
Published: 1930
Place of publication: Washington, D.C
Language: eng
Subjects: European black currant; Diseases and pests; Blister rust; Control; White pine; Cronartium ribicola; Host-fungus relationships
Other titles: Black currant spreads white pine blister rust.
Notes: Caption title.

"Issued July, 1928."