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中籼新品种扬辐籼2号(原代号“381”,以下简称“381”)系江苏省里下河地区农科所核技术研究室利用~(60)Co-γ射线3万德拉辐照“IR1529-68-3-2”的突变体选育而成。1989年已通过江苏省区试,1990～1991年推荐参加了全国水稻区域试验,1991年3月定名为扬辐籼2号,该年江苏、安徽、湖北种植面积约十多万亩。湖北省农科院植保所1990年引进“381”,1991年在荆门种植1万亩左右,其中省市综防点蛟尾镇种植5000亩,在前期气候反常不利于中稻生产的情况下,“381”仍表现出高产稳产性能。
The new indica rice variety Yangfangxian No.2 (formerly “381”, hereinafter referred to as “381”) is a nuclear technology research laboratory of Lixiahe District Agricultural Science Institute of Jiangsu Province that uses ~ (60) Co- According to “IR1529-68-3-2” mutant breeding. In 1989, it passed the test of Jiangsu Province. From 1990 to 1991, it was recommended to participate in the national rice regional experiment. In March 1991, it was named as Yangfangxian No.2. In that year, the planting area in Jiangsu, Anhui and Hubei was about 100,000 mu. Plant Protection Institute of Hubei Academy of Agricultural Sciences in 1990 to introduce “381” in 1991 Jingmen planted about 10,000 acres, of which provincial and municipal prevention point Jiao Mei town planted 5,000 acres, the antecedent of climate anomalies is not conducive to medium-sized rice production, the “ 381 ”still shows high yield and stable performance.