The effect of concentration of the toxicity of acaricides to the two-spotted spider mite, Tetranychus bimaculatus Harvey
By: by Ralph Strang Downing.
Published: 1953
Language: eng
Number of pages: 48
Subjects: Tetranychus -- Effect of insecticides on.; Acaricides.; Spraying.; Insecticides.; Mites.
Notes: Typescript.

Thesis (M.S.)--Oregon State College, 1953.

Bibliography: leaves 47-48.