Prebreeding in Common Bean and Use of Genetic Diversity from Wild Germplasm JORGE A. ACOSTA-GALLEGOS,* JAMES D. KELLY , AND PAUL GEPTS J.A. Acosta-Gallegos, Bean Program, CEBAJ-INIFAP, A.P. 310 Celaya, Gto., 38000 Mexico; J.D. Kelly, Crop and Soil Sciences Dep., Michigan State University, East Lansing, MI 48824; P. Gepts, Dep. of Plant Sciences, MS1, Section of Crop and Ecosystem Sciences, University of California, Davis, CA 95616-8780. Received 7 Apr. 2007. *Corresponding author (jamk@prodigy.net.mx). Published in Crop Sci. 47(S3) S44–S59 (2007). doi: 10.2135/cropsci2007.04.0008IPBS © Crop Science Society of America 677 S. Segoe Rd., Madison, WI 53711 USA