湘早籼21号的选育与激光育种

The Selection of "Xiangzaoxian No21" and Laser Breeding

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 dry seeds of the rice variety 'Xiangaizao7' were irradiated with He-Ne laser (2mw,10min) and 60 Co γ rays (30KR). After Several generations,We had selected a rice variety with early maturity_'Xiangzaoxian No21'. The experience of laser breeding in rice are discussed in this paper.