race ZB, and were scored 110 resistant: 33 susceptible. RFLPs of each F2 plants were tested by the positive probes. RG81, RG869 and RZ397 on chromosome 12 were found to be linked with a blast resistance gene, which was named Pi-h-1 (t).

• 在(K80R×K79S)的F_2群体中,经稻瘟病菌ZB_1小种接种,110株为抗病,33株为感病,用总共10个阳性标记与F_2群体中每个单株的DNA杂交,发现抗病基因与第12染色体上的标记RG81、RG869和RZ397共分离;