Field testing of Bacillus thuringiensis for control of western hemlock looper
By: by V. M. Carolin & C. G. Thompson.
Contributors: Thompson, C. G.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: U.S. Forest Service research paper PNW -- no. 38.; U.S. Forest Service research paper PNW -- 38.
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture
Published: 1967
Place of publication: [Portland, Or.]
Language: eng
Number of pages: 24
Subjects: Hemlock looper -- Control.; Bacillus thuringiensis.
Notes: Cover title.

Bibliography: p. 23-24.