Peroral bioassay of technical-grade preparations of the Douglas-fir tussock moth nucleopolyhedrosis virus (Baculovirus)
By: Nauro E. Martignoni, Paul J. Iwai
Contributors: Iwai, Paul J. , jt. auth; Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: USDA Forest Service research paper PNW -- 222
Publisher: Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1977
Place of publication: Portland, Or
Language: eng
Number of pages: 12
Subjects: Biological assay; Douglas-fir tussock moth; Pests -- Control -- Biological control -- United States
Notes: Cover title

Published in cooperation with the USDA Douglas-fir tussock moth program

Bibliography: p. 12