January 20 1950Creator:
Abrahamson, Joseph A.Type:
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.