TY - NCL TI - CIMMYT Maize International Testing Program 1979: Preliminar report -- International Progeny Testing Trials T2 - CIMMYT Maize International Testing Program PY - 1979/// CY - Mexico, DF (Mexico) PB - CIMMYT, KW - Disease resistance KW - AGROVOC KW - Gene pools KW - Germplasm KW - High-yielding varieties KW - Maturity KW - Pest resistance KW - Progeny testing KW - Rusts KW - Selfs KW - Trials KW - Zea mays KW - Yields KW - Hybrids KW - Plant breeding N1 - Contents: International progeny testing trial, Experimental variety trials, Elite variety trials = Ensayos internacionales de prueba de progenies, Ensayos de variedades experimentales, Ensayos de variedades elite ER -