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作 者:张宏根[1] 朱国永[1] 封智蔷 许明[2] 吉健安[2] 裴艳[1] 钱凯[1] 汤述翥[1] 顾铭洪[1]
机构地区:[1]扬州大学农学院/教育部植物功能基因组学重点实验室,江苏扬州225009 [2]江苏省农业技术推广中心,南京210036
出 处:《中国水稻科学》2014年第3期327-334,共8页Chinese Journal of Rice Science
基 金:国家973计划资助项目(2011CB100101);江苏高校优势学科建设工程资助项目
摘 要:通过对近30年来江苏省育成的45个迟熟中粳品种的区域试验资料分析和种植鉴定,了解江苏迟熟中粳品种的育种状况,为新品种选育提供参考依据.区试资料分析表明,江苏近30年来迟熟中粳品种产量连上3个台阶,代表品种为1983年审定的盐粳2号,产量达到500 kg/667m^2;1992年审定的武育粳3号,产量达到580 kg/667m^2;1999年审定的武运粳8号,产量达到650 kg/667m^2.2005年以后育成的品种产量徘徊在600 kg/667m^2.2012年扬州种植鉴定结果表明,不同时期育成的品种产量为500~600 kg/667m^2,产量提升不明显.近年来注重品种的外观品质改良,垩白粒率有明显改进,但垩白度和食味品质的改良仍需要加强.In order to understand the breeding situation and trend of the late-maturity medium japonica rice varieties in Jiangsu Province,the regional trial data and yield and quality of forty-five late-maturity medium japonica rice varieties released in last thirty years were analyzed,which would provide a reference frame for the improvement and breeding of new varieties.The regional trial data showed that there were three development phases of yield of the late-maturity medium japonica rice varieties and the representative varieties were Yanjing 2 with yield of over 500 kg/667m^2 bred in 1 983,Wuyujing 3 with yield of over 580 kg/667m^2 bred in 1 992,Wuyunjing 8 with yield of over 650 kg/667m^2 bred in 1 999,respectively.Yield of varieties bred after 2005 was fluctuated around 600 kg/667m^2 .Yield and quality of forty-five late-maturity medium japonica rice varieties identified at Yangzhou in 2012 showed that 1)yield of varieties bred in different periods was all fluctuated from 500 kg/667m^2 to 600 kg/667m^2 and had not been developed significantly,2) chalky grains of varieties had been improved significantly,but chalkiness and taste quality of varieties were still needed to be improved.
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