RNGR.net is sponsored by the USDA Forest Service and Southern Regional Extension Forestry and is a colloborative effort between these two agencies.

U.S. Department of Agriculture USDA Forest Service Southern Regional Extension Forestry Southern Regional Extension Forestry

Skip to content. | Skip to navigation

Home → Publications → American Chestnut Proceedings → 1992 → Reduced Polygalacturonase Activity in dsRNA-Containing Hypovirulent Strains of Cryphonectria parasitica