Leaf spot (Higginsia hiemalis (Higg.) Nannf.) of sour cherry in the Willamette Valley
By: by Arlyn Wayne Evans.
Published: 1941
Language: eng
Number of pages: 58
Subjects: Leaf spots.; Sour cherry -- Diseases and pests -- Willamette River Valley.; Cherry -- Diseases and pests -- Willamette River Valley.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1941.

Bibliography: leaves [59-60].