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桂农12是上海市金山县松荫公社种子场于1969年用桂花黄作母本,授以农垦58和扬糯3号混合花粉选育而成的中熟晚粳良种。1976—1978年在全县品种联合鉴定试验中,比同熟期的嘉农15增产
Guinong 12 is a middle-maturing late-maturing japonica rice variety which was bred by Osmanthus fragrans as female parent in 1969 and shrubs mixed with Nongken 58 and Yangnuo 3 seeds. 1976-1978 varieties in the county joint identification test, than the same period of Jianong 15 yield