两系杂交中籼组合Y两优646的选育与应用  

Breeding and Application of Y Liangyou 646, a New Two-line Medium Indica Hybrid Rice Combination

作　　者：王少希 宋运钟 徐志灵 邓启云[4] 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)

机构地区：[1]长沙市优质稻开发中心,湖南长沙410013 [2]长沙金垦科技发展有限公司,湖南长沙410000 [3]福建超大现代种业有限公司,福建长乐350001 [4]湖南杂交水稻研究中心,湖南长沙410125

出　　处：《湖南农业科学》2018年第1期9-11,共3页Hunan Agricultural Sciences

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.

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 

分 类 号：S511[农业科学—作物学]