Perennial canker of apple tress
Subtitle: a preliminary report
By: by S.M. Zeller and Leroy Childs.
Contributors: Childs, Leroy, 1888-
Series: Station bulletin / Oregon Agricultural College Experiment Station -- 217.; Station bulletin (Oregon Agricultural College.  Experiment Station) -- 217.
Publisher: Oregon Agricultural College Experiment Station
Published: 1925
Place of publication: Corvallis, Ore
Language: eng
Number of pages: 17
Subjects: Apple -- Diseases and pests.; Canker (Plant disease)
Notes: Cover title.