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 → Tree Improvement and Genetics → Northeastern Forest Tree Improvement Conference → 1st Northeastern Forest Tree Improvement Conference (1953) → Possibilities of Inbreeding, Selective Intraspecific Breeding, Racial and Species Hybridization, and Polyploidy