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Arboriculture & Urban Forestry Online
Volume 11, Issue 10 — October 1985

Prospects for Control of Dutch Elm Disease - Biological Considerations    (View PDF)

Horace M. Mazzone and John W. Peacock

Abstract: Dutch elm disease continues to rank as a tree disease of enormous importance. The present report surveys a number of biological approaches which give some measure of control for the fungal pathogen and its beetle vectors. While procedures such as the use of pheromones to trap beetles and the sanitation of dead and dying trees are assessed, newer studies are discussed, such as the search for disease-causing agents in the fungal pathogen and the application of biotechnology to the disease. We review such concepts as an understanding of the pathogenicity genes of the fungus, the transformation of microbes normally associated with beetle vectors so as to become pathogenic to these insects, and the use of biotechnological experiments concerned with the elm.


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