Epiphytology and etilogy of a Phytophthora-induced root rot disease of Chamaecyparis in Oregon
By: by Dewayne Clinton Torgeson.
Published: 1953
Language: eng
Number of pages: 72
Subjects: Root rots.; Trees -- Diseases and pests.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State College, 1953.

Bibliography: leaves 65-72.