Institution: | (1) Dept. of Forestry and Natural Resources, Hardwood Tree Improvement and Regeneration Center (HTIRC), Purdue University, 715 West State Street, West Lafayette, IN 47907, USA;(2) Department of Agronomy, USDA Agricultural Research Service, Purdue University, 915 West State Street, West Lafayette, IN 47907, USA;(3) Northern Research Station, HTIRC, USDA Forest Service, 715 West State Street, West Lafayette, IN 47907, USA; |