Ralph Merrill Caldwell (June 27, 1903, Brookings, South Dakota- November 2, 1976, College Station, Texas) was an American plant breeder, mycologist, and plant pathologist.[1] Through his work with the U.S. Department of Agriculture and Purdue University, he developed disease-resistant cultivars for a wide variety of plants, including widely-grown wheat cultivars.[2]
Caldwell was a member of the American Phytopathological Society, where he served as President of the North Central Division and Treasurer. He was a fellow of the American Phytopathological Society, the American Society of Agronomy, the Crop Science Society of America, and the American Association for the Advancement of Science.[1] His papers are held by the University of Purdue.[3]
^ abSchafer, John F. (September 1993). "Pioneer Leaders in Plant Pathology: Ralph M. Caldwell". Annual Review of Phytopathology. 31 (1): 33–41. doi:10.1146/annurev.py.31.090193.000341. ISSN 0066-4286. Retrieved 21 March 2023.
^Cite error: The named reference Athow was invoked but never defined (see the help page).
^"Ralph M. Caldwell papers". Purdue University Archives and Special Collections. Retrieved 21 March 2023.
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