Effects of three plant growth regulators upon growth patterns in seedlings of three races of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco
By: by Willis James Rietveld.
Published: 1967
Language: eng
Number of pages: 62
Subjects: Plant growth inhibiting substances.; Douglas fir.
Other titles: Plant growth regulators upon Douglas fir, Effects of.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1967.

Bibliography: p.44-51.