TY - NCL TI - CIMMYT Maize International Testing Program 1974: Preliminary report -- International Progeny Testing Trials, and Experimental Variety Trials T2 - CIMMYT Maize International Testing Program PY - 1975/// CY - Mexico, DF (Mexico) PB - CIMMYT, KW - Disease resistance KW - AGROVOC KW - Gene pools KW - Germplasm KW - High-yielding varieties KW - Research policies KW - Selfs KW - Trials KW - Zea mays KW - Research institutions KW - Hybrids KW - Plant breeding KW - CIMMYT ER -