Eugene Byron Smalley

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Elms field in Morton arboretum and elm breeders, from left: George Ware, Mrs. Vera Grbić, Smalley and Ray Guries (July 2, 1987)

Professor Eugene Byron Smalley (1926–2002) was an American plant pathologist. Smalley joined the University of Wisconsin-Madison in 1957 with the specific aim of finding a way to control Dutch elm disease [1] Assembling seeds from around the northern hemisphere, Smalley developed resistant strains of elms which were patented and released to commerce, notably 'Sapporo Autumn Gold', and 'New Horizon'.


  • Chen, M. M.; Smalley, E. B.; Guries, R. P. (1984). "Disease resistance screening of selected elm species and cultivars". Phytopathology. 74: 824. 
  • Lester, D. T.; Smalley, E. B. (1972). "Response of backcross hybrids and 3 species combinations of Ulmus pumila, Ulmus japonica, and Ulmus rubra to inoculation with Ceratocystis ulmi". Phytopathology. 62 (8): 845–848. doi:10.1094/Phyto-62-845. 
  • Lester, D. T; Smalley, E. B. (1972). "Response of Ulmus pumila and Ulmus pumila-rubra hybrids to inoculation with Ceratocystis ulmi". Phytopathology. 62 (8): 848–852. doi:10.1094/Phyto-62-848. 
  • Lester, D. T; Smalley, E. B. (1972). "Variation in ornamental traits and disease-resistance among crosses of Ulmus pumila, Ulmus rubra and putative natural hybrids". Silvae Genetica. 21: 193–197. 
  • Smalley, E. B. (1963). "Seasonal fluctuations in susceptibility of young elm seedlings to Dutch elm disease". Phytopathology. 53: 846–853. 
  • Smalley, E. B.; Guries, R. P. (1993). "Breeding Elms for Resistance to Dutch Elm Disease.". Annual Review of Phytopathology. 31: 325–354. doi:10.1146/annurev.phyto.31.1.325. 
  • Smalley, E. B.; Lester, D. T. (1973). "'Sapporo Autumn Gold' Elm". HortScience. 8 (514–515): 1973. 
  • Smalley, E. B.; Lester, D.T. (1983). "'Regal' Elm". HortScience. 18 (960–961): 1983. 


  1. ^ Balousek, M. (2002). Dutch elm disease expert dies at 75. The Wisconsin State Journal, March 28, 2002.
  2. ^ IPNI.  Smalley.