Certain investigations pertaining to pear decline in Oregon
By: Henry Hartman.
Contributors: Oregon State University. Agricultural Experiment Station.
Series: Special report (Oregon State University. Agricultural Experiment Station) -- 143.
Publisher: Oregon State University
Published: 1962
Place of publication: Corvallis
Language: eng
Number of pages: 52
Subjects: Pear -- Diseases and pests -- Oregon.
Notes: Also issued online.