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Objects (2 results)
1950/01/20: Joseph A. Abrahamson to The Morton Arboretum (3.93841)
Date: January 20 1950Creator: Abrahamson, Joseph A.
Type: Document
Description:Letter from Joseph A. Abrahamson from Mount Arbor Nurseries to the Morton Arboretum asking for further information on resistance of certain Elms to Dutch Elm Disease and Phloem Necrosis, which were briefly mentioned in the June 1949 Bulletin. He is particularly interested in the resistance of Ulmus carpinifolia var. Christine Buisman, as well as its recommended propagation technique.
There are handwritten notes by E. L. Kammerer on the letter.
1950/02/03: E. L. Kammerer to Jospeh A. Abrahamson (3.93852)
Date: February 3 1950Creator: Kammerer, E. Lowell
Type: Document
Description:Letter from E. L. Kammerer in response to Joseph A. Abrahamson's inquiry about disease resistant Elms. Mr. Kammerer says the Elm mentioned in the June 1949 Bulletin is Ulmus carpinifolia 'Christine Buisman' and is resistant to Dutch Elm Disease and Phloem Necrosis. He advises Mr. Abrahamson to contact Dr. R. V. Swingle, Senior Pathologist at the Bureau of Plant Industry, Soils, and Agricultural Engineering in Washington D. C. for information on where to obtain plants. Mr. Kammerer also notes that Ulmus carpinifolia 'Christine Buisman' is propogated from root cuttings.
