Silva, N.G. da Cruz Filho, J. da Avaliacao da eficiencia de fungicidas no controle da mela (Phytophthora infestans)em batata (Solanum tuberosum L.) [Evoluating the efficiency of fungicides on the control of early blight (Phytophthora infestans)in potato (Solanum tuberosum L.)] Subjects--Topical Terms: BATATAMELAFUNGICIDACONTROLE QUIMICO