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广两优7203是中国水稻研究所和中国科学院遗传与发育生物学研究所用广占63S与中恢7203组配而成的强优势两系杂交稻组合,2013年通过浙江省审定,2014年通过国家审定。本文主要介绍了该组合在江西大面积试验示范的表现及高产栽培技术。
Guangliangyou 7203 is a two-line hybrid rice combination with two dominant lines consisting of Guangzhan 63S and Zhonghui 7203, which was established by China Institute of Genetics and Developmental Biology, Chinese Academy of Rice Research and Chinese Academy of Sciences. In 2013, it was approved by Zhejiang Province and passed the national Validation. This article mainly introduces the performance of this combination in large-scale experimental demonstration in Jiangxi and its high-yielding cultivation techniques.