Using 180 DNA probes mapped on rice chromosomes,RPLP analysis was carried out with rice parents Gui630(O. sativa subsp. indica),02428(O. sativa subsp.japonica)and 81 double haploid plants(DH) of their hybrid.

• 对籼稻圭630和粳稻02428及其F1通过花药培养获得的81个DH系进行了RFLP分析，有28个探针揭示了DNA变异。