In the present study, one F2 population derived from brown planthopper resistance cultivar Swarnalata/02428 was planted in 2013 at Nanjing Agricultural University Rice Station (Tuqiao, Nanjing, China). Phenotype values of heading date and seed dormancy in the F2 population were investigated. Using 172 markers, a molecular genetic map of the F2 population was constructed, which total length is 3311.4cM and an average marker interval distance is 19.22cM. QTL controlling heading date and seed dormancy was detected in this F2 population by using QTL Cartgrapher version 2.5 software. A total of 3 QTL for seed dormancy were found. They were located on chromosomes 3, 6 and 9, respectively. Among them, a QTL named qSd-9 was located between marker RM219 and RM1328 on chromosome 9 with relative high LOD values of 3.11 and explained phenotypic variations of 22.11%. Meanwhile, seven QTL related to heading date were identified. They were located on chromosomes 2, 3, 6 and 11, respectively. Among them, a QTL named qHD 11-1 was flanked by markers RM286 and indel11-2 on chromosome 11, which explained 28.85% of total phenotypic variation with a LOD score of 2.89. Results in this study suggest that seed dormancy and heading date are controlled by different genetic factors. These results provide an opportunity for. map-based cloning major QTLs for seed dormancy and heading date or materials for pyramiding program in the brown planthopper resistance rice breeding.