Distribution of aerially applied Bacillus thuringiensis for controlling defoliating insects in a hardwood forest
By: Bohdan Maksymiuk and R. D. Orchard.
Contributors: Orchard, R. D.
Series: USDA Forest Service research note PNW -- 246.
Publisher: Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1975
Place of publication: Portland, Or
Language: eng
Number of pages: 12
Subjects: Gypsy moth -- Biological control.; Bacillus thuringiensis.; Aerial spraying and dusting in forestry.; Oak -- Diseases and pests -- Control.
Notes: Bibliography: p. 11.