TY - BK AU - Chapman,C. AU - Stalker,H.T. TI - Scientific management of germplasm: characterization, evaluation and enhancement SN - 92-9043-141-5 U1 - 92-011813 PY - 1989/// CY - Rome (Italy) PB - IBPGR, KW - Disease resistance KW - AGROVOC KW - Evaluation KW - Gene banks KW - Genetic variation KW - Germplasm KW - Germplasm conservation KW - Interdisciplinary research KW - Pest resistance KW - Plant breeding ER -