Supplementary Fig. 1 Embryo sac structures of indica-japonica hybrids F1
1-6: Normal embryo-sac; 7-9: embryo-sac degeneration
Bar: 50μm
Supplementary Fig. 2 Embryo sac structures of indica-japonica hybrids F1
1: Normal small embryo sacs; 2-3: Abnormal small embryo sacs; 4: Abnormal position of polar nuclei; 5-6: Abnormal polar nuclei number; 7: Embryo-sac without female germ unit; 8: Egg apparatus degeneration; 9: Other type of abnormal embryo sac
Bar: 50μm
Supplementary Table 1 Genotypes of 79 materials in ORF3, 4 and 5
NJ11 / + / - / +
Ballia / - / + / -
N42 / + / - / +
N44 / + / - / +
N45 / + / - / +
N47 / + / - / +
N51 / + / - / +
N57 / + / + / +
N58 / + / - / +
N60 / - / + / -
N68 / + / - / +
N73 / + / + / +
N78 / - / + / -
N79 / + / - / +
N82 / + / - / +
N83 / - / + / -
N86 / + / - / +
N88 / + / + / -
N89 / - / + / -
N90 / + / - / +
N95 / + / - / +
N96 / + / - / +
N97 / + / - / +
N102 / + / + / +
N105 / + / - / +
N106 / + / - / +
N107 / + / - / +
N108 / + / - / +
N109 / - / + / -
N110 / - / + / -
N111 / + / + / -
N112 / + / - / +
N114 / - / + / -
N118 / + / - / -
N126 / + / - / +
N129 / + / + / +
N130 / + / + / +
N131 / + / - / +
N133 / + / - / +
N135 / + / - / +
N136 / + / - / +
N138 / + / - / +
N140 / - / + / -
N141 / + / + / +
N143 / + / + / +
N144 / + / - / +
N145 / + / - / +
N151 / + / - / +
N152 / + / + / +
N154 / + / - / +
N157 / - / + / -
N158 / - / + / -
N159 / + / + / -
N160 / + / + / -
N162 / + / + / +
N163 / + / + / +
N167 / + / - / +
N168 / + / - / +
N170 / - / + / -
N174 / + / - / +
N177 / - / - / +
N178 / + / - / +
N179 / + / + / -
N180 / - / - / +
N181 / + / - / +
N182 / + / - / +
N188 / + / - / +
N189 / - / + / -
N191 / - / + / -
N192 / + / - / +
N193 / + / - / +
N195 / + / - / +
N197 / + / + / +
N199 / + / - / +
QHW001 / + / + / +
QHW018 / + / + / +
QHW022 / + / + / +
QHW023 / + / + / +
QHW025 / + / + / +
QHW030 / + / + / +
QHW031 / + / + / +