【摘要】 红香优68是用红莲型优质香稻不育系红香2A与优质香稻恢复系香恢68配组选育而成的杂交中稻新组合。该组合稻米表现为全香型,米质达国标优质稻谷2级标准,产量高,抗性强于对照扬两优6号,2012年3月通过湖北省农作物品种审定。介绍了其选育经过、特征特性、栽培技术及制种技术要点。更多还原

【Abstract】 Hongxiangyou 68,derived from Hongxiang 2A,an aromatic Honglian-type CMS line,and Xianghui 68,an aromatic restorer line with good grain quality,is a new medium indica hybrid rice combination.Its grains are all aromatic and all of its grain quality traits reach the second-class national standards of fine quality indica rice.Besides,it showed higher yield and stronger disease resistance than Yangliangyou 6(Check) in the regional trails of Hubei Province.It was registered and released for commercial production by Hubei Crop Variety Appraisal Committee in March,2012.Its breeding procedure,major characteristics and cultivation and seed production techniques were introduced in this paper.更多还原