Hypovirulence and Chestnut Blight Research: Fighting Disease with Disease

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During the first half of this century, the chestnut blight fungus, Endothia parasitica, destroyed stands of the American chestnut, Castanea dentata, throughout the tree's natural range. Conventional methods of controlling plant diseases have been ineffective. An approach being studied is the use of viruslike cytoplasmic hypovirulence agents to reduce the ability of the fungus to cause blight. Individual cankers have been controlled by treating them with strains containing these agents, but neither the agents nor the strains containing them appear to have spread naturally. Persistent cankers containing these agents may be required to provide long-term sources of inoculum for spread.

Document Type: Journal Article

Affiliations: Assistant Plant Pathologist, Department of Plant Pathology and Botany, Connecticut Agricultural Experiment Station, New Haven

Publication date: October 1, 1981

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  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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