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Y两优2号是湖南杂交水稻研究中心用Y58S与远恢2号配组选育的两系杂交中稻新组合,具有超高产、株叶形态优良、丰产性好、米质优良、抗逆性强、适应性广等特点。2011年通过湖南省农作物品种审定委员会审定,2012年通过云南省红河州审定,2013年通过国家农作物品种审定委员会审定,2014年被农业部认定为超级稻品种。介绍了该组合的选育过程、产量表现和特征特性及高产栽培技术与制种技术要点。
Y Liangyou 2 is a new two-line middle-season hybrid rice combination selected by Y58S and Yuanhui 2 in Hunan Hybrid Rice Research Center. It has the characteristics of super high yield, good leaf shape, good yield, good quality and stress resistance Strong, wide adaptability and other characteristics. In 2011, it was approved by Hunan Crop Variety Approval Committee, examined and approved by Honghe Prefecture of Yunnan Province in 2012, approved by National Crop Variety Approval Committee in 2013 and recognized as a super rice variety in 2014 by the Ministry of Agriculture. The selection breeding process, yield performance, characteristics, high yielding cultivation techniques and seed production techniques of this combination were introduced.