**Supplementary Materials:** Supplementary materials can be found at http://www.mdpi.com/1422-0067/21/6/2162/ s1.

**Author Contributions:** W.T., Z.W. and S.C. conceived and designed the experiments. T.L., S.Z. and S.C. constructed the F2 population. T.L., Z.-Q.C., Z.-J.C., D.T., X.C. and S.C. conducted rice blast inoculation. W.C., L.H. and W.T. analyzed the sequencing data and performed QTL mapping. T.L., M.Q. and Y.G. conducted haplotype analysis. W.T. and S.C. wrote and revised the manuscript. All authors read and approved the final manuscript.

**Acknowledgments:** This work was supported by grant from National Natural Science Foundation of China (U1405212), grants from Fujian Provincial Science and Technology Program (2017R1019-1, 2018R1019-9), and open project of State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops (SKL018002).

**Conflicts of Interest:** The authors declare no conflicts of interest.
