Factors influencing the pathogenicity of Helminthosporium sativum
By: by Louise Dosdall.
Publisher: s.n.
Published: 1922
Place of publication: [Minnesota
Language: eng
Number of pages: 47
Subjects: Helminthosporium sativum; Grain -- Diseases and pests
Notes: Bibliography: p. 47.
Thesis (Ph. D.)--University of Minnesota, 1922.
Vitae.