Factors influencing the pathogenicity of Helminthosporium sativum Dosdall, Louise, 1893- creator text book Minnesota s.n 1922 1922
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ENG Vitae. Thesis (Ph. D.)--University of Minnesota, 1922. Diseases and pests Grain Helminthosporium sativum https://www.biodiversitylibrary.org/bibliography/18008 13074536 24017323 10.5962/bhl.title.18008 VXG