Abstract
In this research, we analyzed the Indica genetic component ratios and genetic diversity of 231 maintainer line materials of Dian-type Japonica hybrid rice from Rice Research Institute of Yunnan Agricultural University with 23 insertion/deletion (InDel) polymorphic markers screened. We found that indica genetic component ratios ( Fi ) of all the materials were low and Fi ≤ 0.25. The percentage of 0 RRI-YAU > East China > Overseas > other places of Yunnan > CAAS > YAAS.
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