“…3,4) Recent studies also showed that pathogenicity of P. oryzae to different rice cultivars or lines differs in different countries, including Argentina, 5) Brazil, [6][7][8] China, 9) USA, 10) Thailand, 11) and Vietnam. 12) In Taiwan, more than 78 races of P. oryzae had been identified using 8 standard lines of rice as differentials.…”