TY - REP AU - Dubin,H.J. AU - Cazco,C. AU - Figueroa,A. AU - Wall,P.C. TI - Yield losses in wheat attributable to barley yellow dwarf virus in the ecuadorian highlands CY - Mexico, DF (Mexico) PB - CIMMYT KW - Barley yellow dwarf luteovirus KW - Crop losses KW - Ecuador KW - Fertilizer application KW - Plant diseases KW - AGROVOC KW - Research projects KW - Zea mays KW - CIMMYT ER -