Affiliation: | (1) Ministry of Agriculture, Servicio Nacional de Sanidad Agraria (SENASA), Av. La Molina 1915, La Molina, Lima, Peru;(2) Laboratory of Plant Breeding, Wageningen University, P.O. Box 386, Wageningen, 6700 AJ, The Netherlands;(3) CIP, P.O. Box 1558, Lima, 12, Peru |