Magnaporth grisea existed different physiological race whose pathogenicity was different with different rice varieties.Resistance spectrum of resistant varieties was vary and wide.We have selected five resistant single genes,i.e.,pi-zt,pi-b,pi-z,pi-kp and pi-kn,all of which was highly resistant to Magnaporth grisea in Jilin province with average value of resistant spectrum of over 80%.The resistant spectrum of pi-zt and pi-z reached 95.1% and 91.7%.These five resistant single genes were of great value in the breeding of resistant rice varieties and transgenic researches in Jilin province.