籼粳杂交稻新组合嘉丰优2号的选育与应用  

Breeding and Application of New Indica-japonica Hybrid Rice Combination Jiafengyou 2

作　　者：王士磊 丁正权 黄海祥 WANG Shi-lei;DING Zheng-quan;HUANG Hai-xiang(Jiaxing Academy of Agricultural Sciences,Jiaxing,Zhejiang 314016,China)

机构地区：[1]浙江省嘉兴市农业科学研究院(所),浙江嘉兴314016

出　　处：《杂交水稻》2018年第6期24-26,共3页Hybrid Rice

基　　金：中科先导项目(XDA08010101);国家"973"计划(2013CBA01405-9);浙江省水稻育种专项(2016C02050-5-4);嘉兴市科技项目(2011AZ1021;2016AZ23028;2017AY13027;2018AY11024)

摘　　要：嘉丰优2号是浙江省嘉兴市农业科学研究院与浙江可得丰种业有限公司合作,利用自育粳稻三系不育系嘉禾212A与优质籼型三系恢复系P025配组育成的单季籼粳杂交稻新组合,具有优质、高产、中抗稻瘟病等优点。2017年1月通过浙江省农作物品种审定委员会审定,适宜在浙江省作单季稻种植。介绍了该组合的选育经过、特征特性、栽培和制种技术要点。Jiafengyou 2,derived from Jiahe 212 A,a japonica CMS line,and P025,an indica restorer line with fine grain quality,is a new single-cropping indica-japonica hybrid rice combination,developed by Jiaxing Academy of Agricultural Sciences and Zhejiang Kedefeng Seed Industry Company.It is characteristic of high and stable yield,fine grain quality and good blast resistance.In 2017,it was registered and released to commercial production for singlecropping rice by Zhejiang Provincial Crop Variety Appraisal Committee.The breeding procedure,characteristics,key technical points for grain production and hybrid seed production of Jiafengyou 2 were introduced in this paper.

关 键 词：籼粳杂交稻 嘉丰优2号 选育 

分 类 号：S511.01[农业科学—作物学] S334