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用６０Ｃｏγ射线３０Ｋｒａｄ与Ｈｅ—Ｎｅ激光复合处理水稻湘矮早７号干种子，经多代选育，育成了早熟早籼新品种湘早籼２１号。阐述了与之相关的激光育种研究的结果和体会。
The seeds of rice Xiangshuai 7 were treated with 60Coγ-ray at 30Krad and He-Ne laser, and the progenies of early indica rice variety Xiangsanxian 21 were bred after multiple generations of breeding. The results and experience of laser breeding research are expounded.