Mapping of quantitative trait loci conferring resistance to brown spot in flue‐cured tobacco (Nicotiana tabacum L.)
With 2 figures and 1 table ABSTRACT: Brown spot (BS) caused by Alternaria alternata is one of the most destructive foliar diseases affecting tobacco (Nicotiana tabacum L.) production and quality in China. Breeding of BS‐resistant cultivars is difficult because the resistance has proved to be quantit...
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description | With 2 figures and 1 table ABSTRACT: Brown spot (BS) caused by Alternaria alternata is one of the most destructive foliar diseases affecting tobacco (Nicotiana tabacum L.) production and quality in China. Breeding of BS‐resistant cultivars is difficult because the resistance has proved to be quantitatively inherited. To facilitate marker‐assisted selection, we carried out a study of mapping quantitative trait loci (QTLs) for BS resistance. We developed an F2 population consisting of 213 individuals from a cross between a BS‐susceptible cultivar ‘Changbohuang’ (CBH) and a BS‐resistant cultivar ‘Jinyehuang’ (JYH) and constructed a genetic map consisting of 196 simple sequence repeat (SSR) markers based on this population. Using disease index (DI) as the indicator of BS resistance, we detected three QTLs located between SSR markers TM20534 and TM10737, TM10589 and TM10216, and TM10443 and PT60669, respectively. The resistant alleles of the three QTLs were all from the resistant parent JYH. The three QTLs together could explain ∼86% of the DI difference between the two parents in total, with ∼61% explained by their additive effects. Therefore, the three QTLs will be useful for BS‐resistance breeding. |
doi_str_mv | 10.1111/j.1439-0523.2011.01940.x |
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Breeding of BS‐resistant cultivars is difficult because the resistance has proved to be quantitatively inherited. To facilitate marker‐assisted selection, we carried out a study of mapping quantitative trait loci (QTLs) for BS resistance. We developed an F2 population consisting of 213 individuals from a cross between a BS‐susceptible cultivar ‘Changbohuang’ (CBH) and a BS‐resistant cultivar ‘Jinyehuang’ (JYH) and constructed a genetic map consisting of 196 simple sequence repeat (SSR) markers based on this population. Using disease index (DI) as the indicator of BS resistance, we detected three QTLs located between SSR markers TM20534 and TM10737, TM10589 and TM10216, and TM10443 and PT60669, respectively. The resistant alleles of the three QTLs were all from the resistant parent JYH. The three QTLs together could explain ∼86% of the DI difference between the two parents in total, with ∼61% explained by their additive effects. Therefore, the three QTLs will be useful for BS‐resistance breeding.</description><identifier>ISSN: 0179-9541</identifier><identifier>EISSN: 1439-0523</identifier><identifier>DOI: 10.1111/j.1439-0523.2011.01940.x</identifier><identifier>CODEN: PLABED</identifier><language>eng</language><publisher>Oxford, UK: Blackwell Publishing Ltd</publisher><subject>Agronomy. Soil science and plant productions ; alleles ; Alternaria alternata ; Biological and medical sciences ; breeding ; Brown spot ; Classical and quantitative genetics. Population genetics. Molecular genetics ; cultivars ; Foliar diseases ; Fundamental and applied biological sciences. Psychology ; Gene mapping ; Generalities. Genetics. Plant material ; Genetic markers ; Genetics ; Genetics and breeding of economic plants ; Genomics ; Genotype & phenotype ; inheritance (genetics) ; marker-assisted selection ; microsatellite repeats ; Molecular genetics ; Nicotiana tabacum ; parents ; Plant breeding ; Quantitative trait loci ; quantitative trait locus ; Simple sequence repeats ; tobacco ; tobacco (Nicotiana tabacum L.) ; Varietal selection. 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Breeding of BS‐resistant cultivars is difficult because the resistance has proved to be quantitatively inherited. To facilitate marker‐assisted selection, we carried out a study of mapping quantitative trait loci (QTLs) for BS resistance. We developed an F2 population consisting of 213 individuals from a cross between a BS‐susceptible cultivar ‘Changbohuang’ (CBH) and a BS‐resistant cultivar ‘Jinyehuang’ (JYH) and constructed a genetic map consisting of 196 simple sequence repeat (SSR) markers based on this population. Using disease index (DI) as the indicator of BS resistance, we detected three QTLs located between SSR markers TM20534 and TM10737, TM10589 and TM10216, and TM10443 and PT60669, respectively. The resistant alleles of the three QTLs were all from the resistant parent JYH. The three QTLs together could explain ∼86% of the DI difference between the two parents in total, with ∼61% explained by their additive effects. Therefore, the three QTLs will be useful for BS‐resistance breeding.</description><subject>Agronomy. Soil science and plant productions</subject><subject>alleles</subject><subject>Alternaria alternata</subject><subject>Biological and medical sciences</subject><subject>breeding</subject><subject>Brown spot</subject><subject>Classical and quantitative genetics. Population genetics. Molecular genetics</subject><subject>cultivars</subject><subject>Foliar diseases</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Gene mapping</subject><subject>Generalities. Genetics. Plant material</subject><subject>Genetic markers</subject><subject>Genetics</subject><subject>Genetics and breeding of economic plants</subject><subject>Genomics</subject><subject>Genotype & phenotype</subject><subject>inheritance (genetics)</subject><subject>marker-assisted selection</subject><subject>microsatellite repeats</subject><subject>Molecular genetics</subject><subject>Nicotiana tabacum</subject><subject>parents</subject><subject>Plant breeding</subject><subject>Quantitative trait loci</subject><subject>quantitative trait locus</subject><subject>Simple sequence repeats</subject><subject>tobacco</subject><subject>tobacco (Nicotiana tabacum L.)</subject><subject>Varietal selection. Specialized plant breeding, plant breeding aims</subject><issn>0179-9541</issn><issn>1439-0523</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><recordid>eNqNks9u1DAQxiMEEkvhGbCEkMohwY7tJD5woAUK0lIQLYKbNXXsyks2Tm2Hbm88As_Ik2CTag8cEJYl__t934xmXBSI4Iqk8XxTEUZFiXlNqxoTUmEiGK52d4rV_uFuscKkFaXgjNwvHoSwwflM21Uxv4dpsuMlcgZdzTBGGyHa7xpFDzaiwSmLlBuN9j5TXgcbIowqAQ5deHc9ojC5iOyIzDDrXz9-qtnrPr1egFIOHZ5a5aKFEVCEdDVv0bp69rC4Z2AI-tHtelCcv3l9fvy2XH84eXf8cl0qJjAulWh7Q6EBAarndYepMUrUXOuGs67pVasUbztDcMMNp4Rr6EmHRW0oJ52hB8XhYjt5dzXrEOXWBqWHAUbt5iAJxl3HklWX0Cd_oRs3-zElJwmlTNRN0_JEdQulvAvBayMnb7fgb5KVzO2QG5mrLnPVZW6H_NMOuUvSp7cBICgYjE9FtGGvr3nT5Jm4Fwt3bQd989_-8uPRp7xL-nLRpz7p3V4P_ptsWtpy-eX0RNJXZ-wra45kjvd44Q04CZc-5fT5LDkzjDEjjHT_JGqa_9Fvno6_ng</recordid><startdate>201204</startdate><enddate>201204</enddate><creator>Tong, Zhijun</creator><creator>Jiao, Tianlei</creator><creator>Wang, Fengqing</creator><creator>Li, Meiyun</creator><creator>Leng, Xiaodong</creator><creator>Gao, Yulong</creator><creator>Li, Yongping</creator><creator>Xiao, Bingguang</creator><creator>Wu, Weiren</creator><general>Blackwell Publishing Ltd</general><general>Blackwell</general><general>Wiley Subscription Services, Inc</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7T7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>RC3</scope></search><sort><creationdate>201204</creationdate><title>Mapping of quantitative trait loci conferring resistance to brown spot in flue‐cured tobacco (Nicotiana tabacum L.)</title><author>Tong, Zhijun ; Jiao, Tianlei ; Wang, Fengqing ; Li, Meiyun ; Leng, Xiaodong ; Gao, Yulong ; Li, Yongping ; Xiao, Bingguang ; Wu, Weiren</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4900-c97df3a6a9acd52803ffc925ee65486dc7cc578f1065f5315ead18092f3518f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>alleles</topic><topic>Alternaria alternata</topic><topic>Biological and medical sciences</topic><topic>breeding</topic><topic>Brown spot</topic><topic>Classical and quantitative genetics. Population genetics. Molecular genetics</topic><topic>cultivars</topic><topic>Foliar diseases</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Gene mapping</topic><topic>Generalities. Genetics. Plant material</topic><topic>Genetic markers</topic><topic>Genetics</topic><topic>Genetics and breeding of economic plants</topic><topic>Genomics</topic><topic>Genotype & phenotype</topic><topic>inheritance (genetics)</topic><topic>marker-assisted selection</topic><topic>microsatellite repeats</topic><topic>Molecular genetics</topic><topic>Nicotiana tabacum</topic><topic>parents</topic><topic>Plant breeding</topic><topic>Quantitative trait loci</topic><topic>quantitative trait locus</topic><topic>Simple sequence repeats</topic><topic>tobacco</topic><topic>tobacco (Nicotiana tabacum L.)</topic><topic>Varietal selection. Specialized plant breeding, plant breeding aims</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tong, Zhijun</creatorcontrib><creatorcontrib>Jiao, Tianlei</creatorcontrib><creatorcontrib>Wang, Fengqing</creatorcontrib><creatorcontrib>Li, Meiyun</creatorcontrib><creatorcontrib>Leng, Xiaodong</creatorcontrib><creatorcontrib>Gao, Yulong</creatorcontrib><creatorcontrib>Li, Yongping</creatorcontrib><creatorcontrib>Xiao, Bingguang</creatorcontrib><creatorcontrib>Wu, Weiren</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Plant breeding</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tong, Zhijun</au><au>Jiao, Tianlei</au><au>Wang, Fengqing</au><au>Li, Meiyun</au><au>Leng, Xiaodong</au><au>Gao, Yulong</au><au>Li, Yongping</au><au>Xiao, Bingguang</au><au>Wu, Weiren</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mapping of quantitative trait loci conferring resistance to brown spot in flue‐cured tobacco (Nicotiana tabacum L.)</atitle><jtitle>Plant breeding</jtitle><date>2012-04</date><risdate>2012</risdate><volume>131</volume><issue>2</issue><spage>335</spage><epage>339</epage><pages>335-339</pages><issn>0179-9541</issn><eissn>1439-0523</eissn><coden>PLABED</coden><abstract>With 2 figures and 1 table ABSTRACT: Brown spot (BS) caused by Alternaria alternata is one of the most destructive foliar diseases affecting tobacco (Nicotiana tabacum L.) production and quality in China. Breeding of BS‐resistant cultivars is difficult because the resistance has proved to be quantitatively inherited. To facilitate marker‐assisted selection, we carried out a study of mapping quantitative trait loci (QTLs) for BS resistance. We developed an F2 population consisting of 213 individuals from a cross between a BS‐susceptible cultivar ‘Changbohuang’ (CBH) and a BS‐resistant cultivar ‘Jinyehuang’ (JYH) and constructed a genetic map consisting of 196 simple sequence repeat (SSR) markers based on this population. Using disease index (DI) as the indicator of BS resistance, we detected three QTLs located between SSR markers TM20534 and TM10737, TM10589 and TM10216, and TM10443 and PT60669, respectively. The resistant alleles of the three QTLs were all from the resistant parent JYH. The three QTLs together could explain ∼86% of the DI difference between the two parents in total, with ∼61% explained by their additive effects. Therefore, the three QTLs will be useful for BS‐resistance breeding.</abstract><cop>Oxford, UK</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/j.1439-0523.2011.01940.x</doi><tpages>5</tpages></addata></record> |
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subjects | Agronomy. Soil science and plant productions alleles Alternaria alternata Biological and medical sciences breeding Brown spot Classical and quantitative genetics. Population genetics. Molecular genetics cultivars Foliar diseases Fundamental and applied biological sciences. Psychology Gene mapping Generalities. Genetics. Plant material Genetic markers Genetics Genetics and breeding of economic plants Genomics Genotype & phenotype inheritance (genetics) marker-assisted selection microsatellite repeats Molecular genetics Nicotiana tabacum parents Plant breeding Quantitative trait loci quantitative trait locus Simple sequence repeats tobacco tobacco (Nicotiana tabacum L.) Varietal selection. Specialized plant breeding, plant breeding aims |
title | Mapping of quantitative trait loci conferring resistance to brown spot in flue‐cured tobacco (Nicotiana tabacum L.) |
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