Factors influencing pesticide resistance in Psylla pyricola Foerster and susceptibilty in its mirid predator, Deraeocoris brevis Knight
By: by Hugo E. van de Baan.
Published: 1988
Language: eng
Number of pages: 129
Subjects: Psylla -- Biological control -- Oregon.; Psylla -- Insecticide resistance.; Miridae -- Effect of insecticides on.
Notes: Typescript (photocopy).

Thesis (Ph. D.)--Oregon State University, 1989.

Includes bibliographical references.