两系杂交水稻新组合Y两优66高产制种技术

High-yield Seed Production Techniques for New Two-line Hybrid Rice Combination Y Liangyou 66

Y两优66(Y58S/R66)是信阳市浉河区申丰种子批发站与信阳华信种业科技有限公司、信阳市农业科学院联合选育的籼型优质杂交稻新组合,2014年通过河南省农作物品种审定委员会审定。该文结合其父母本特征特性及近几年制种实践,总结了其高产制种技术以供制种户参考。

Y Liangyou 66 （Y58S/R66）, a new indica two-line hybrid rice combination with high-yield and good grain quality , which was selected by the units in the city of Xinyang , the Shenfeng seeds wholesale Station in Shihe River District and Xinyang Huaxin industry science and technology Co. Ltd., Xinyang Academy of Agricultural Sci- ences, In 2014, it was certified for commercial production by the Henan Provincial Crop Variety Appraisal Commit- tee. In this paper the parents＂ characteristics and the high-yield seed production techniques of the combination were introduced.