Andrade, C.M. Pereira Pinto, C.A.B. ribeiro, S.R.R. de P. Peixouto, L.S. Vilela, X.M. de S. Potato clones with multiple copies of the Ryadgallele conferring resistance to PVY Subjects--Topical Terms: BATATASOLANUM TUBEROSUMGENEVIROSE VEGETALRESISTÊNCIA