Pathogenesis and intertree transmission of Verticicladiella wageneri in Douglas-fir (Pseudotsuga menziesii)
By: by Paul Francis Hessburg.
Published: 1984
Language: eng
Number of pages: 164
Subjects: Douglas fir -- Diseases and pests.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1984.

Bibliography: leaves 157-164.