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两优287是由湖北大学与湖北省种子集团公司育成。2005年通过湖北省农作物品种审定委员会审定,同年通过湖南、江西两省引种公告,2006年在广西审定通过。2003～2004年参加湖北省早稻品种区域试验,两年区域试验平均产量6874kg/hm~2,其中:2003年产量7217kg/hm~2,比对照金优402增产3.8%,增产极显著;2004年湖南早稻预试中,平均产量7380kg/hm~2,比对照湘早籼13增产7.5%,增产极显著。2004年在江西早稻预试中,平均产量6819kg/hm~2,比对照浙733增产4.24%,增产极显著。在2004年广西区预试中,平均产量7113kg/hm~2,比对照金优463增产2.0%。
Liangyou 287 is bred by Hubei University and Hubei Seed Group. In 2005 through the Hubei Provincial Crop Variety Approval Committee validation, the same year through the introduction of Hunan and Jiangxi provinces notice, in 2006 in Guangxi approved. From 2003 to 2004, it took part in the regional experiment of early rice varieties in Hubei Province. The average yield of regional experiment in two years was 6874kg / hm ~ 2, of which, the output in 2003 was 7217kg / hm ~ 2, which was 3.8% higher than that of Jinyou 402, Hunan early rice pre-test, the average yield of 7380kg / hm ~ 2, compared with the control Xiangshixian 13 yield 7.5%, yield was extremely significant. In 2004 in Jiangxi early rice pre-test, the average yield of 6819kg / hm ~ 2, compared with the control Zhejiang 733 yield 4.24%, the yield was extremely significant. In 2004 Guangxi area pre-test, the average output of 7113kg / hm ~ 2, compared with the control Jinyou 463 yield 2.0%.