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Ⅱ优８３８系四川省原子核应用技术研究所用Ⅱ３２Ａ不育系与自育恢复系辐恢８３８配组而成的中籼杂交稻，经过１９９６～１９９８年３ａ的试验和示范，１９９９年３月通过宁德地区农作物品种审定委员会审定。１ 产量表现１９９６年参加宁德地区中稻新组合联合多点区域试验
Ⅱ You 838 Department of Nuclear Science and Technology in Sichuan Province Ⅱ 32A sterile lines and self-restore Department of Radiation 838 with a group of medium-indica hybrid rice, after 1996 to 1998 3a test and demonstration, March 1999 Approved by Ningde Crop Variety Approval Committee. 1 Production performance In 1996, Ningde participated in the new combination of medium-sized rice multi-point regional trial