Presented as Thesis (Ph. D.)--University of Wisconsin--Madison, 1934. / Caption title. From Journal of agricultural research, vol. 49, no. 7 (Oct. 1, 1934). "This study was carried out under the cooperative support of the Division of Fruit and Vegetable Crops and Diseases, Bureau of Plant Industry, U.S. Dept. of Agriculture, and the Dept. of Plant Pathology, College of Agriculture, University of Wisconsin."--Foot-note, p. 607. "Literature cited": p. 623-624.
| Identifer | oai:union.ndltd.org:OCLC/oai:xtcat.oclc.org:OCLCNo/608476781 |
| Date | January 1934 |
| Creators | Larson, R. H. |
| Publisher | Washington, D.C. : U.S. Dept. of Agriculture, |
| Source Sets | OCLC |
| Language | English |
| Detected Language | English |
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