Biological influence on red alder on Poria weirii and other root rot pathogens
By: by Ching-Yan Li.
Published: 1969
Language: eng
Number of pages: 94
Subjects: Phellinus weirii.; Red alder -- Diseases and pests.
Notes: Mounted photographs.

Typescript.

Thesis (Ph. D.)--Oregon State University, 1969.

Bibliography: leaves 82-94.