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我所从1985年起开展高产优质早籼的选育工作，1991年选育出优质早融中优早3号。在此基础上，于1993年育成高产优质早籼中优早5号，1997年3月通过湖南省农作物品种审定委员会审定。中优早5号已被湖南省农业厅列为主推优质稻品种。1品种来源中优早5号的亲本为测系A345和84-173，
Since 1985, we have carried out the breeding of high yield and high quality early indica rice. In 1991, we bred high quality Zao Rong Zhongyouzao No.3. On this basis, in 1993 bred high yield and high quality early indica Zhongyouzao 5, March 1997 by the Hunan Provincial Crop Variety Approval Committee. As early as No. 5 in Hunan Province Agriculture Department has been listed as the main push high-quality rice varieties. The parents of No.1 variety Zhongyouzao 5 were lineage A345 and 84-173,