四川农业大学水稻研究所于1988年春季在海南岛南繁试验期间,发现了一种特殊的水稻种质材料(简称SAR)。一年多来,以周开达教授为首的四川农业大学课题组对SAR进行了大量的研究。SAR种质材料经4个世代的种植观察,表现出以下重要特点:高度不育,但在田间隔离条件下能自行结实,最高结实率55.33%;经逐花镜检去雄,确认花粉败育并给以隔离,仍有部分颖花结实,结 Rice Research Institute of Sichuan Agricultural University found a special rice germplasm (referred to as SAR) during the spring of 1988 in the South Fan of Hainan Island. Over the past year, the group led by Professor Zhou Kaida Sichuan Agricultural University conducted a lot of research on SAR. SAR germplasm material was observed under four generations of planting and showed the following important features: Highly sterile, but able to self-solid under the conditions of field isolation, the highest seed setting rate of 55.33%; And to be isolated, there are still some spikes strong, knot