Effects of single and simultaneous challenges using DDT and a nuclear polyhedrosis virus against the variegated cutwork, Peridroma saucia (Hu bner)
By: by James Douglas Harper.
Published: 1969
Language: eng
Number of pages: 78
Subjects: DDT (Insecticide); Virology -- Research.; Cutworms.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State University, 1969.

Bibliography: leaves 73-78.