优质抗病两用核不育系粮98S的选育及应用

Breeding and Application of Dual-purpose Genic Male Sterile Line Liang 98S with BlastResistance and Good Grain Quality in Rice

粮98S是湖南粮安科技股份有限公司用湘陵628S与广占63S杂交育成的生物产量大、株叶形态好、稻米品质优、配合力强的温敏型中籼水稻两用核不育系,2015年通过贵州省农作物品种审定委员会鉴定。利用粮98S配组育成粮两优芸占、粮两优莉珍和粮两优1791等8个组合通过国家或湖南、贵州省审定。介绍了粮98S的选育过程、特征特性、配组表现及杂交制种技术要点。

Liang 98S,derived from the cross of Xiangling 628S and Guangzhan 63S,is a medium-indica-type thermosensitive genic male sterile line in rice developed by Hunan Liang’an Science and Technology Co.Ltd..It has the characteristics of great biomass,ideal plant type,good grain quality and strong combining ability.It was registered by Guizhou Crop Variety Appraisal Committee in 2019.Eight combinations such as Liangliangyou Yunzhan,Liangliangyou Lizhen and Liangliangyou 1791,have been approved by the state or Hunan and Guizhou provinces.The breeding process,characteristics,hybrid combination performance and key points of hybrid seed production of Liang 98S were introduced.