Factors influencing the development of onion pink root disease incited by Pyrenochaeta terrestris (Hansen) Gorenz, Walker, Larson
By: by Paul Eugene Pack.
Published: 1966
Language: eng
Number of pages: 92
Subjects: Pyrenochaeta terrestris.; Onions -- Diseases and pests.
Notes: Typescript.

Thesis (M.S.)--Oregon State University, 1966.

Bibliography: leaves 85-92.