Identifying races of Puccinia graminis f. sp. avenae
Subtitle: a modified international system
By: [by D. M. Stewart and B. J. Roberts.
Contributors: Roberts, Bill J., 1927- joint author.
Series: United States. Dept. of Agriculture. Technical bulletin ;; no. 1416; Technical bulletin (United States. Dept. of Agriculture) ;; no. 1416.
Publisher: Agricultural Research Service
Published: 1970
Place of publication: Washington]
Language: eng
Number of pages: 23
Subjects: Puccinia graminis.; Oats -- Diseases and pests.; Rust fungi -- Identification.; Oats -- varieties.
Notes: Bibliography: p. 19-23.