1. 14.5L/9.5DTime7:00- 9:00 9:00- 11:00 11:00- 15:00 15:00- 17:00 17:00- 19:00 19:00- 21:00 21:00- 23:00 23:00- 5:00 5:00- 7:00 Temperature303335333029272528 Light (LS)345543000 9.5L/14.5DTime7:20- 9:00 9:00- 11:00 11:00- 13:00 13:00- 16:00 16:00- 17:20 17:20- 21:00 21:00- 23:00 23:00- 5:00 5:00- 7:20 Temperature303335333029272528 Light (LS)345430000 Supplemental Table 1 The diurnal variation of light, temperature in the illumination incubator

2. Cross F 1 phenotype F 2 population χ 2 (3:1)P value TotalWild type Mutant type ghd10/NIPWild type 30323271 0.3576 0.5498 ghd10/WYJ7Wild type 37728988 0.55260.4573 ghd10/CJ06Wild type 23417955 0.27920.5972 NIP/ghd10Wild type 20815949 0.23080.631 WYJ7/ ghd10Wild type 24218557 0.270.6034 CJ06/ ghd10Wild type 21916950 0.54950.4585 Supplemental Table 2 Genetic analysis of ghd10

3. MarkerForward primer sequences(5’-3’)Reverse primer sequences(5’-3’) Product size Note RM5689GCACATGGTGAGACGTCCTCAAGTCCTGTAGTAGGTCACACCG103mapping K10-6CCACCATTGTCGTGCTCTATCCGGTCATCCCTCTTG179mapping K10-8AGTGGTCGGTAATCAGCACTCGAATGGTTAAGTCATCAGTGCC213mapping K10-10ACGGAAATTGCGTCCTCACAAAGCGATGGGTGGTGT298mapping K10-13TAACAACTGTAGGCAACCTCTAAACTTCTGAGCGAG214mapping K10-15GACCACGCTGGGCAAGAAGGTAGCCCTCCTCGTCCTCA185mapping SK10-1GCGAGATGAAACTAAAGGGGACAGCAGAATTGAGATGAGA680sequencing SK10-2TCGTATGGTGGTGGGTAGAAATCCGTTGTATTAGAGCA791sequencing SK10-3TCGCCGTTAAACACACACCTGTTTCCATCAATGCCTCC891sequencing SK10-4CCTTTTTCAATGGTTGGGCAGCAGGTGGTAGTAGTGAT827sequencing SK10-5GATCAATCCACAGTCGTCCTGGCATCCAGAGTCGCAA1020sequencing Supplemental Table 3 Molecular markers used for Ghd10 mapping and sequencing

4. Supplemental Table 4 Real time-PCR primers used in this study Gene symbolForward primer sequences(5’-3’)Reverse primer sequences(5’-3’)Referance Ehd1AATCGATTCCAACAACAAGCAATGTCGAGAGCGGTGGATGA Hd1CGTTTCGCCAAGAGATCAGAGATAGAGCTGCAGTGGAGAACKojima et al., 2002 RFT1CGTCCATGGTGACCCAACACCGGGTCTACCATCACGAGTDoi et al., 2004 Hd3aGCTAACGATGATCCCGATCCTGCAATGTATAGCATGCKojima et al., 2002 OsMADS14CGGTTGCGAGACGAGGAAGAAAGACGGTGCTGGACGAATaoka et al., 2011 OsMADS15CGTCGTCGGCCAAACAGTGACTTCAATTCATTCAAGGTTGCTTaoka et al., 2011 OsGIGTGGATGCGCTTTGTGACATGGCCTGCAGAACGATAGCAHayama et al., 2003 GHD7AGGTGCTACGAGAAGCAAATCCGGGCCTCATCTCGGCATAGXue et al., 2008 GHD8CGTGCAATGGTTTAGACTAAAGAACAGCATCAGCATCAACAAYan et al., 2010 Ghd10CGACAATAGCTCGATCGCCAAGCCCGAAGCTGACACTGTDoi et al., 2004 Dep1GCGAGATCACGTTCCTCAAG TGCAGTTTGGCTTACAGCATHuang et al., 2009 FZPAGATGGTCGCCGGCTTCTATGGAGAGTAGGAGTAGGAGHuang et al., 2009 LAX1GCCATCCACTACGTCAAGTTGGACGAAGACACAGCAAGGHuang et al., 2009 SP1CGTCTTTGTGCTAGGGATCCATGACAGCGGGTAGTGCATCTC RUBQ2GAGCCTCTGTTCGTCAAGTAACTCGATGGTCCATTAAACCKojima et al.,2002

5. Supplemental Figure 1 Transcriptional levels in ghd10 and WYJ7 of (A) DEP1, (B) FZP, (C) LAX1, (D) SP1. Data are displayed as the ratio of expression to rice RUBQ2 RNA, data given as mean ± standard error. All assays were repeated at least three times. Relative level of expression of SP1 Relative level of expression of FZP Relative level of expression of LAX1 Relative level of expression of DEP1 (A) (B)(C) (D)