Use of petroleum oils to prevent spread of stylet-borne viruses by aphids
By: by Mark Edward Ascerno, Jr.
Published: 1969
Language: eng
Number of pages: 58
Subjects: Virus diseases of plants.; Aphididae.
Notes: Typescript (photocopy).

Mounted photographs.

Thesis (M.S.)--Oregon State University, 1969.

Bibliography: leaves 51-54.