Feeding effects of the bird cherry oat aphid, Rhopalosiphum padi (L.) and greenbug, Schizaphis graminum (Rondani) (Homoptera: Aphididae) on hard red winter wheat
By: by Robert L. Schaffner.
Published: 1982
Language: eng
Number of pages: 45
Subjects: Aphids.; Wheat -- Diseases and pests.
Notes: Typescript.

Thesis (M.S.)--Washington State University, 1982.

Bibliography: leaves 44-45.

WSU:#Department of Entomology."