Physiologic specialization and parasitism of Helminthosporium sativum ...
By: by Jonas Jergon Christensen ...
Published: 1927
Place of publication: [Minneapolis?
Language: eng
Number of pages: 101
Subjects: Helminthosporium sativum.; Grain -- Diseases and pests.; Wheat -- Diseases and pests.
Notes: "Literature cited": p. 96-99.
Thesis (Ph. D.)--University of Minnesota, 1925.
Biography.