By Mary A. Sego
Primary Creator: Ullstrup, Arnold J. (1907-)
Extent: 1.0 Folders. More info below.
Subjects: Purdue University--Faculty
Forms of Material: Articles
Access Restrictions: Collection is open for research.
Preferred Citation: MSF 396, Arnold J. Ullstrup papers, Archives and Special Collections, Purdue University Libraries
Inheritance of Susceptibility to Infection by Helminthosporium Maydis Race 1 in Maze, Ullstrup, Arnold J. Reprinted from Journal of Agricultural Research, vol. 63, no. 6, September 15, 1941, pp. 331-334.
Two Physiologic Races of Helminthosporium Maydis in the Corn Belt, Ullstrup, Arnold J. Reprinted from Phytopathology, vol. XXXI, no. 6, June, 1941, pp. 508-521.