摘要
Y两优646是以光温敏型两系不育系Y58S为母本、R646为父本配组育成的籼型杂交水稻新组合。详细介绍了该组合的选育过程及其在示范试验中的表现,总结出该组合具有株叶形态好、高产稳产、综合抗性好和米质优良的特征特性,并提出了该组合的栽培技术要点和制种注意事项。
Y Liangyou646was a new combination of indica hybrid rice,which was selected taking two line sterility lines with light thermosensitive type Y58S as female parent,and R646as male parent.The selection process and performance of Y Liangyou646in the demonstration experiment were introduced in detail;then its characteristic were summarized,including good plant leaf shape and high and stable yield,good resistance in general,and fine grain quality.Finally,the main points of cultivation technology and the notices of seed production were introduced.
作者
王少希
宋运钟
徐志灵
邓启云
陈文富
杨伟
WANG Shao-xi;SONG Yun-zhong;XU Zhi-ling;DENG Qi-yun;CHEN Wen-fu;YANG Wei(Changsha Municipal Agricultural Bureau Good Quality Rice Center, Changsha 410013, PRC;Changsha Jinken Technology Development Co. Ltd., Changsha 410000, PRC;Fujian Chaoda Modern Seed Industry Co. Ltd., Changle 350001, PRC;Hunan Hybrid Rice Research Center, Changsha 410125, PRC)
出处
《湖南农业科学》
2018年第1期9-11,共3页
Hunan Agricultural Sciences
关键词
杂交水稻
Y两优646
优质高产
选育
特征特性
栽培
制种
hybrid rice
Y Liangyou 646
good quality and high yield
breeding
characteristic
cultivation
seed production
