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Genetic Dissection of Azuki Bean Weevil (Callosobruchus chinensis L.) Resistance in Moth Bean (Vigna aconitifolia [Jaqc.] Marechal)

文献类型： 外文期刊

作者： Somta, Prakit 1 ; Jomsangawong, Achara 4 ; Yundaeng, Chutintorn 1 ; Yuan, Xingxing 1 ; Chen, Jingbin 1 ; Tomooka, N 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Ind Crops, 50 Zhongling St, Nanjing 210014, Jiangsu, Peoples R China

2.Kasetsart Univ, Fac Agr Kamphaeng Saen, Dept Agron, Kamphaeng Saen Campus, Kamphaeng Saen 73140, Nakhon Pathom, Thailand

3.Kasetsart Univ, Ctr Agr Biotechnol AG BIO PEDRO CHE, Kamphaeng Saen Campus, Kamphaeng Saen 73140, Nakhon Pathom, Thailand

4.Kasetsart Univ, Fac Agr Kamphaeng Saen, Program Plant Breeding, Kamphaeng Saen Campus, Kamphaeng Saen 73140, Nakhon Pathom, Thailand

5.Natl Agr & Food Res Org, Genet Resources Ctr, Gene Bank, 2-1-2 Kannondai, Tsukuba, Ibaraki 3058602, Japan

关键词： bruchid resistance; seed weevil; Callosobruchus; insect resistance; moth bean; QTL

期刊名称：GENES （ 影响因子：4.096； 五年影响因子：4.339 ）

ISSN： 2073-4425

年卷期： 2018 年 9 卷 11 期

页码：

收录情况： SCI

摘要： The azuki bean weevil (Callosobruchus chinensis L.) is an insect pest responsible for serious postharvest seed loss in leguminous crops. In this study, we performed quantitative trait locus (QTL) mapping of seed resistance to C. chinensis in moth bean (Vigna aconitifolia [Jaqc.] Marechal). An F-2 population of 188 plants developed by crossing resistant accession 'TN67' (wild type from India; male parent) and susceptible accession 'IPCMO056' (cultivated type from India; female parent) was used for mapping. Seeds of the F-2 population from 2014 and F-2:3 populations from 2016 and 2017 were bioassayed with C. chinensis, and the percentage of damaged seeds and progress of infestation severity were measured. Segregation analysis suggested that C. chinensis resistance in TN176 is controlled by a single dominant gene, designated as Rcc. QTL analysis revealed one principal and one modifying QTL for the resistance, named qVacBrc2.1 and qVacBrc5.1, respectively. qVacBrc2.1 was located on linkage group 2 between simple sequence repeat markers CEDG261 and DMB-SSR160 and accounted for 50.41% to 64.23% of resistance-related traits, depending on the trait and population. Comparative genomic analysis suggested that qVacBrc2.1 is the same as QTL Brc2.1 conferring C. chinensis resistance in wild azuki bean (V. nepalensis Tateishi and Maxted). Markers CEDG261 and DMB-SSR160 should be useful for marker-assisted selection for C. chinensis resistance in moth bean.

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