The Bacterial Pathotype Group Which Attacks The IR 20 Group Variety
Suparyono Suparyono(Cultivation of Agriculture Department, Faculity of Agriculture, Gadjah Mada University) Hartini Ramlan Hifni(Cultivation of Agriculture Department, Faculity of Agriculture, Gadjah Mada University) Osamu Horino(Cultivation of Agriculture Department, Faculity of Agriculture, Gadjah Mada University)