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Megasporogenesis and Megagametogenesis in Autotetraploid Indica/Japonica Rice Hybrid |
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| Authors: | HU Chao-yue # ZENG Yu-xiang # GUO Hai-bin LU Yong-gen CHEN Zhi-xiong Muhammad Qasim SHAHID LIU Xiang-dong |
| Institution: | HU Chao-yue #,ZENG Yu-xiang #,GUO Hai-bin,LU Yong-gen,CHEN Zhi-xiong,Muhammad Qasim SHAHID,LIU Xiang-dong(Guangdong Provincial Key Laboratory of Plant Molecular Breeding,South China Agricultural University,Guangzhou 510642,China) |
| Abstract: | Autotetraploid indica/japonica rice hybrid combines both the advantages of polyploidy and the heterosis between indica and japonica rice.Embryo sac abortion is an important factor influencing spikelet fertility in autotetraploid rice hybrid.To clarify the cytological mechanism of embryo sac abortion,the megasporogenesis and megagametogenesis in an autotetraploid japonica/indica hybrid were examined by the whole-mount eosin B-staining confocal laser scanning microscopy(WE-CLSM)technique.Abnormalities were ob... |
| Keywords: | Oryza sativa japonica/indica hybrid embryo sac autotetraploid abnormality whole-mount eosin B-staining confocal laser scanning microscopy |
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