University of Minnesota Masters thesis. June 1920. Major: Agriculture. Advisor: Dr. E. C. Stakman, Professor H. K. Hayes. 1 computer file (PDF); 34 pages.
Puttick, G. F..
The Reaction of the F₂ Generation of a Cross Between a Common and a Durum Wheat to Two Biological Forms of Puccinia Graminis Tritici.
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