Blackspot canker
By: by W.H. Lawrence.
Series: Bulletin -- no. 66.; Bulletin (Agricultural College, Experiment Station, and School of Science of the State of Washington) -- no. 66.
Publisher: Washington State Agricultural College and School of Science, Experiment Station
Published: 1904
Place of publication: Pullman, Wash
Language: eng
Number of pages: 35
Subjects: Canker (Plant disease); Apples -- Diseases and pests
Notes: Cover title.