Resistance of Douglas-fir to western spruce budworm
Subtitle: results of a preliminary progeny test
By: Geral I. McDonald.
Contributors: Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: Research note INT -- 264.; Research note INT -- 264.
Publisher: USDA Forest Service, Intermountain Forest and Range Experiment Station
Published: 1979
Place of publication: Ogden, Utah
Language: eng
Subjects: Douglas fir -- Disease and pest resistance -- Genetic aspects; Western spruce budworm
Notes: Caption title.

"August 1979."

Bibliography: p. 7.