Biology studies of Macrosiphum avenae (Fabr.), Acyrthosiphon dirhodum (Walker), and Rhopalosiphum padi (L.) on Gramineae in western Oregon
By: by Gerald L. Greene.
Published: 1966
Language: eng
Number of pages: 143
Subjects: Grasses -- Diseases and pests.; Greenbug.; Barley -- Diseases and pests.
Notes: Typescript.

Thesis (Ph. D.)--Oregon State University, 1966.

Bibliography: leaves 135-143.