A genetic test for recruitment enhancement in Chesapeake Bay oysters , 3 Crassostrea virginica , after population supplementation with a disease tolerant 4 strain 5 6

5 6 Matthew P. Hare *, Standish K. Allen Jr., Paulette Bloomer, Mark D. Camara, 7 Ryan B. Carnegie , Jenna Murfree, Mark Luckenbach, Donald Meritt, 8 Cheryl Morrison , Kennedy Paynter, Kimberly S. Reece & Colin G. Rose 9 Biology Department, University of Maryland, College Park, MD, 20742, USA; Virginia Institute of Marine 10 Science, College of William and Mary, Gloucester Point, VA, 23062, USA; Molecular Ecology and Evolution 11 Programme, Department of Genetics, University of Pretoria, 0001, Pretoria, South Africa; Hatfield Marine 12 Science Center, Oregon State University, Newport, OR, 97365, USA; Eastern Shore Laboratory, Virginia 13 Institute of Marine Science, College of William and Mary, Wachapreague, VA, 23480, USA; Horn Point 14 Laboratory, University of Maryland Center for Environmental Science, Cambridge, MD, 21613, USA; US 15 Geological Survey, Biological Resources Division, Leetown Science Center, Aquatic Ecology Branch, 11649 16 Leetown Road, Kearneysville, WV, 25430, USA (*Corresponding author: Phone: +1-301-405-7264; Fax: 17 +1-301-314-9358; E-mail: [email protected])