TY - DM AU - Preciado Ortiz,R.E. AU - Erazo Barradas,M. AU - Gomez M.N.O. AU - Sierra Macias,M. AU - Terron Ibarra,A.D. ED - Centro Internacional de Mejoramiento de Maiz y Trigo (CIMMYT), Mexico DF (Mexico) ED - Arnel R. Hallauer International Symposium on Plant Breeding TI - Use of the heterotic pattern concept to group inbread lines from different sources PY - 2003/// CY - Mexico, DF (Mexico) PB - CIMMYT KW - Field experimentation KW - Heterotis KW - Inbred lines KW - AGROVOC KW - Maize KW - Tropical zones KW - Genetic resources KW - Genotypes KW - Plant breeding KW - CIMMYT N1 - CD-ROM ER -