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扬辐糯4号（原名909）系用60Co－r射线300Gy辐照迟熟中籼IR1529－68－3－2干种子，由胚突变选育而成的中他糯新品种。该品种综合性状突出，达到杂交稻汕优63的产量水平，且具有优质、多抗、适应性广的特性，于1995年4月由江苏省农作物品种审定委员会审定命名。产量表现1991～19
Yangfanguo No.4 (formerly 909) is a new Zhongtao glutinous rice variety derived from embryo mutation by irradiating late maturing mid-season indica IR1529-68-3-2 seeds with 60Co-r ray at 300Gy. The comprehensive trait of the cultivar is prominent, reaching the yield level of hybrid rice Shanyou 63, and has the characteristics of high quality, multi-resistance and wide adaptability. It was named after the examination of Jiangsu Crop Variety Approval Committee in April 1995. Production performance 1991 ~ 19