Screening for resistance in wild species and landraces in Peru and the strategy and resistant materials from CIP’s breeding program. - Andrade-Piedra, J.L.; Pérez, W.; Rojas, P.; Alarcón, L.; Gamboa, S.; Gastelo, M.; Velasco, C.; Njoroge, A.W.; Kromann, P.; Lindqvist-Kreuze, H. (2019)