Influences of shoot origin and certain pre- and post-severance treatments on the rooting and growth characteristics of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings
By: by Darvil Kim Black.
Published: 1972
Language: eng
Number of pages: 143
Subjects: Douglas fir.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1973.

Includes bibliography.