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利用湛江海洋大学杂交水稻研究室选育的一批同核异质的不育系及其保持系作母本，与优良的恢复系（品种）按不完全双列杂交模式配制不育系杂种（A／R）和保持系杂种（B／R），研究不育质源对杂种种子活力的影响。初步结果表明：不同胞质对杂种种子活力的影响是不同的，是影响杂种种子活力的重要因素。要选育具商活力的水稻“三系”杂交种，新不育质源的选择利用是关键，同时还应注意不育胞质的一般配合力及其与恢复系的特殊配合力。
A batch of homonuclear sterile lines and their maintainer lines bred by the Hybrid Rice Research Laboratory of Zhanjiang Ocean University were used as female parents and sterile lines (hybrids) A / R) and maintainer hybrids (B / R) were used to study the effects of different sources of fertility on the vigor of hybrid seeds. The preliminary results showed that the effects of different cytoplasm on the vigor of hybrid seeds were different and were the important factors affecting the vigor of hybrid seeds. To breed the “three lines” hybrid rice with vitality, the selection and utilization of the new sterile source is the key. At the same time, we should also pay attention to the general combining ability of sterile cytoplasm and its special combining ability with restorer line.