Additional file 2: Table S1. of Analysis of small RNAs revealed differential expressions during pollen and embryo sac development in autotetraploid rice

Main agronomic traits of autotetraploid (02428-4x) and diploid (02428-2x) rice. Table S2. Frequencies of pollen fertility and embryo sac fertility in 02428-4x and 02428-2x. Table S3. The development of pollen and embryo sac in 02428-2x and 02428-4x. Table S4. Frequency of abnormalities in autotetraploid and diploid rice during the pollen development. Table S5. Observations of chromosome behavior and configurations between autotetraploid rice and diploid rice. Table S6. Summary of the known and predicted miRNAs in 02428-4x and 02428-2x. Table S7. miRNAs detected during pollen and embryo sac development of 02428-4x and 02428-2x. Table S8. The specific miRNAs found in each library (Development stages). (XLSX 214Â kb)

同源四倍体（02428-4x）与二倍体（02428-2x）水稻的主要农艺性状。
表S2：02428-4x与02428-2x水稻的花粉育性及胚囊育性频率
表S3：02428-2x与02428-4x水稻的花粉与胚囊发育情况
表S4：同源四倍体与二倍体水稻花粉发育过程中的异常发生频率
表S5：同源四倍体与二倍体水稻的染色体行为及构型观测结果
表S6：02428-4x与02428-2x水稻中已知及预测的微RNA（microRNA，miRNA）汇总统计
表S7：02428-4x与02428-2x水稻花粉及胚囊发育过程中检测到的miRNA
表S8：各测序文库（对应发育时期）中鉴定得到的特异性miRNA。（XLSX格式，文件大小214 KB）