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Ⅱ优084是江苏丘陵地区镇江农业科学研究所组配而成的突破性杂交中籼稻新品种。表现为高抗白叶枯病和稻瘟病、品质优良、栽培适应范围广、丰产性好、增产潜力大。2001年4月通过江苏省农作物品种审定委员会审定,2003年8月通过国家农作物品种审定委员会审定,2005年被列为农业部首批推荐种植超级稻品种之一。目前,已在苏、皖、湘、赣、豫、鄂、浙、闽、川、桂、滇、贵等长江流域及华南稻区十几个省区大面积推广和示范种植。该组合1999年参加江苏省杂交籼稻区域试验,平均产量9.34t/hm~2,分别比对照汕优63和汕优559增产15.08%
Ⅱ You 084 is a breakthrough hybrid indica rice variety in Zhenjiang Academy of Agricultural Sciences in hilly area of Jiangsu Province. High resistance to bacterial blight and rice blast, high quality, wide range of cultivation adaptability, good yield, large yield potential. In April 2001 through the Jiangsu Province Crop Variety Approval Committee validation, in August 2003 through the National Crop Variety Approval Committee for validation, in 2005 was listed as the first batch of the Ministry of Agriculture recommended one of the super rice varieties. At present, it has been widely popularized and demonstrated in a dozen provinces and regions in the Yangtze River valley of Jiangsu, Anhui, Hunan, Jiangxi, Henan, Hubei, Zhejiang, Fujian, Sichuan, Guangxi, Yunnan and Guizhou and in southern China. The combination took part in the regional experiment of indica hybrid rice in Jiangsu Province in 1999 with an average yield of 9.34t / hm ~ 2, which increased 15.08% over that of Shanyou 63 and Shanyou 559 respectively.