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Introgression of OsAP47 by marker-assisted selection enhanced resistance against southern rice black-streaked dwarf virus disease

文献类型： 外文期刊

作者： Lin, Feng 1 ; Jing, Dedao 3 ; Zhang, Jiayuan 1 ; Sun, Yue 1 ; Du, Linlin 1 ; Li, Chenyang 1 ; Lan, Ying 1 ; Zhou, Tong 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Plant Protect, State Key Lab Cultivat Base, Jiangsu Key Lab Food Qual & Safety, Nanjing 210014, Jiangsu, Peoples R China

2.Shenyang Agr Univ, Coll Food Sci, Shenyang 110866, Liaoning, Peoples R China

3.Zhenjiang Inst Agr Sci Ning Zhen Hilly Dist, Zhenjiang 212400, Jiangsu, Peoples R China

4.Int Joint Ctr Japon Rice Res, Nanjing 210014, Jiangsu, Peoples R China

关键词： Rice; Marker-assisted selection; SRBSDVD; Resistance; Breeding

期刊名称：VIROLOGY （ 影响因子：3.7； 五年影响因子：3.2 ）

ISSN： 0042-6822

年卷期： 2024 年 594 卷

页码：

收录情况： SCI

摘要： Southern rice black-streaked dwarf virus disease (SRBSDVD) is the most destructive viral disease in rice. In order to breeding resistant cultivars, Insertion-Deletion (InDel) markers were developed linked to OsAP47, the first isolated major resistance gene against SRBSDVD. Marker-assisted selection (MAS) was conducted to introduce this gene into the commercial variety. A rice line carrying homozygous resistance allele of OsAP47 was selected and named Kanghei No. 201 (KH201). Evaluated by artificial inoculation, KH201 showed significantly higher resistance than the recurrent parent Suxiu No.867 (SX867). And no significant differences were detected for KH201 in the yield-related components, including spikelets per panicle (SPP), ripened grains per panicle (RGPP), 1000-grain weight (TGW) and panicles per square meter (PPSM), leading to stable theoretical yield. The results indicated that introgression of OsAP47 improved rice resistance and can avoid yield losses produced by SRBSDVD. KH201 was demonstrated as a resistance material that could be used in rice breeding.

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