Initial Studies of American Elm Diseases in Illinois

Abstract

This paper is a report of the first results of the investigation. It includes an account of previous work on Illinois elm diseases, the importance of the present malady in nurseries and cities, the general symptoms manifested by diseased elms in Illinois, a detailed consideration of symptoms, effects, and probable pathogens for several important and minor diseases and of fungi obtained infrequently, as well as an account of two preliminary experiments relating to the control of "elm wilt" in nurseries.