The pathogenicity test in the glasshouse indicated that R. solani strain RBL1 was a virulent pathogen on rice. The BLAST search results revealed that this isolate showed the highest similarity to six R. solani AG1-IA isolates (GenBank accession numbers: AB000017, AB000016, AB000010, AF354097, AY154301, FJ492099) (E-value = 0.0 and max. identity = 99%).