Spraying apple trees, with special reference to apple scab fungus
By: [Joseph Cullen Blair].
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 54; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 54.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1899
Place of publication: Urbana, [Ill.]
Subjects: Apples -- Diseases and pests.; Apple scab -- Control.