优质抗病籼稻不育系神农5A的选育与应用  

Breeding and Application of Indica CMS Line Shennong 5A with Fine Grain Quality and Good Disease Resistance in Rice

作　　者：陈世全[1,2] 郭爽 何永歆[1,2] 蒋刚[1,2] 朱子超 欧阳杰[1,2] 管玉圣 黄乾龙[1,2] 熊英 王楚桃[1,2] 李贤勇 CHEN Shi-quan;GUO Shuang;HE Yong-xin;JIANG Gang;ZHU Zi-chao;OUYANG Jie;GUAN Yu-sheng;HUANG Qian-long;XIONG Ying;WANG Chu-tao;LI Xian-yong(Chongqing Academy of Agricultural Sciences,Chongqing 401329,China;Chongqing Zhongyi Seed Co.Ltd.,Chongqing 400060,China;Chongqing Rice Engineering and Research Center,Chongqing 400060,China)

机构地区：[1]重庆市农业科学院水稻研究所,重庆401329 [2]重庆中一种业有限公司,重庆400060 [3]重庆市农业科学院重庆市水稻工程技术研究中心,重庆400060

出　　处：《杂交水稻》2020年第4期23-24,45,共3页Hybrid Rice

基　　金：国家重点研发计划(2017YFD0100203);重庆市技术创新与应用发展专项(cstc2019jscx-lyjsAX0003)。

摘　　要：神农5A是用Q2B与抗稻瘟病材料Ky144杂交,F4代选择优良单株与Q2A杂交并连续回交育成的籼稻不育系。该不育系叶片持绿,异交习性好,抗稻瘟病,米质优,2018年7月通过重庆市农作物品种审定委员会组织的技术鉴定。所配组合神农5优28(神农5A/Q恢28)于2019年通过重庆市品种审定。Shennong 5 A,derived from the cross between Q2 B and blast-resistant material Ky144 followed by selecting elite single plants from its F4 generation to testcross with Q2 A,is an indica CMS line in rice developed by the successive backcrossing method.It shows favorable leaf greenness sustainability,good outcrossing habits,strong blast resistance and fine grain quality.It was technically identified by Chongqing Crop Variety Appraisal Committee in July,2018,and its hybrid Shennong 5 You 28(Shennong 5 A/Q Hui 28)was registered and released to commercial production by the committee in 2019.

关 键 词：杂交水稻 不育系 神农5A 选育 

分 类 号：S511.01[农业科学—作物学] S334