Blind seed disease of perennial ryegrass
By: John R. Hardison.
Contributors: Oregon State College. Agricultural Experiment Station.
Series: Station circular / Oregon Agricultural Experiment Station -- 177.; Station circular (Oregon State College. Agricultural Experiment Station) -- 177.
Publisher: Oregon Agricultural Experiment Station
Published: 1949
Place of publication: [Corvallis, Or.]
Language: eng
Number of pages: 11
Subjects: Ryegrasses -- Diseases and pests -- Oregon -- Willamette River Valley.; Blind seed disease -- Oregon -- Willamette River Valley.; Gloeotinia granigena -- Oregon -- Willamette River Valley.
Notes: Cover title.