life-history and control of the rose leaf-hopper : an apple pest
By: by Leroy Childs.
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 148.; Station bulletin (Oregon Agricultural College.  Experiment Station) -- 148.
Publisher: Oregon Agricultural College Experiment Station
Published: 1918
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 32
Subjects: Apple -- Diseases and pests -- Control.
Notes: Cover title.

Bibliography: p. 32.