Effectiveness of three insecticides applied at two droplet sizes for control of the Douglas-fir tussock moth and western spruce budworm
By: by George P. Markin, Harold O. Batzer, and J. Wayne Brewer
Contributors: Batzer, Harold O.; Brewer, J. Wayne (Jesse Wayne), 1940-; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: USDA Forest Service research note PNW -- 321; USDA Forest Service research note PNW -- 321.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1978
Place of publication: Portland, Or
Language: eng
Subjects: Control; Fir; Insecticides; Spruce budworm; Testing; Aerial spraying and dusting in forestry; Douglas fir tussock moth; Diseases and pests
Notes: Caption title.

"October 1978."

Includes bibliographical references (p. 5-6).