Multiple-line cross QTL mapping for grain yield and thousand kernel weight in triticale
Grain yield and its component trait thousand kernel weight are important traits in triticale breeding programmes. Here, we used a large mapping population of 647 doubled haploid lines derived from four families to dissect the genetic architecture underlying grain yield and thousand kernel weight by...
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| Veröffentlicht in: | Plant breeding 2016-10, Vol.135 (5), p.567-573 |
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| container_issue | 5 |
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| container_title | Plant breeding |
| container_volume | 135 |
| creator | Liu, Wenxin Leiser, Willmar L. Reif, Jochen C. Tucker, Matthew R. Losert, Dominik Weissmann, Sigrid Hahn, Volker Maurer, Hans Peter Würschum, Tobias |
| description | Grain yield and its component trait thousand kernel weight are important traits in triticale breeding programmes. Here, we used a large mapping population of 647 doubled haploid lines derived from four families to dissect the genetic architecture underlying grain yield and thousand kernel weight by multiple‐line cross QTL mapping. We identified 3 QTL for grain yield and 13 for thousand kernel weight which cross‐validated explained 5.2% and 48.2% of the genotypic variance, respectively. Both traits showed a positive phenotypic correlation, and we found two QTL overlapping between them. Full two‐dimensional epistasis scans revealed epistatic QTL for both traits, suggesting that epistatic interactions contribute to their genetic architecture. Based on QTL identified in our results, we conclude that the potential for marker‐assisted selection is limited for grain yield but more promising for thousand kernel weight. |
| doi_str_mv | 10.1111/pbr.12400 |
| format | Article |
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Here, we used a large mapping population of 647 doubled haploid lines derived from four families to dissect the genetic architecture underlying grain yield and thousand kernel weight by multiple‐line cross QTL mapping. We identified 3 QTL for grain yield and 13 for thousand kernel weight which cross‐validated explained 5.2% and 48.2% of the genotypic variance, respectively. Both traits showed a positive phenotypic correlation, and we found two QTL overlapping between them. Full two‐dimensional epistasis scans revealed epistatic QTL for both traits, suggesting that epistatic interactions contribute to their genetic architecture. Based on QTL identified in our results, we conclude that the potential for marker‐assisted selection is limited for grain yield but more promising for thousand kernel weight.</description><identifier>ISSN: 0179-9541</identifier><identifier>EISSN: 1439-0523</identifier><identifier>DOI: 10.1111/pbr.12400</identifier><language>eng</language><publisher>Berlin: Blackwell Publishing Ltd</publisher><subject>Genotype & phenotype ; grain yield ; Inbreeding ; multiple families ; QTL mapping ; thousand kernel weight ; triticale</subject><ispartof>Plant breeding, 2016-10, Vol.135 (5), p.567-573</ispartof><rights>2016 Blackwell Verlag GmbH</rights><rights>Copyright © 2016 Blackwell Verlag GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3680-384527d8515b1cdb5f979b3a75f5cf34e762209d25ce6d4adb058d13979482223</citedby><cites>FETCH-LOGICAL-c3680-384527d8515b1cdb5f979b3a75f5cf34e762209d25ce6d4adb058d13979482223</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fpbr.12400$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fpbr.12400$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><contributor>Pillen, K.</contributor><creatorcontrib>Liu, Wenxin</creatorcontrib><creatorcontrib>Leiser, Willmar L.</creatorcontrib><creatorcontrib>Reif, Jochen C.</creatorcontrib><creatorcontrib>Tucker, Matthew R.</creatorcontrib><creatorcontrib>Losert, Dominik</creatorcontrib><creatorcontrib>Weissmann, Sigrid</creatorcontrib><creatorcontrib>Hahn, Volker</creatorcontrib><creatorcontrib>Maurer, Hans Peter</creatorcontrib><creatorcontrib>Würschum, Tobias</creatorcontrib><title>Multiple-line cross QTL mapping for grain yield and thousand kernel weight in triticale</title><title>Plant breeding</title><addtitle>Plant Breed</addtitle><description>Grain yield and its component trait thousand kernel weight are important traits in triticale breeding programmes. Here, we used a large mapping population of 647 doubled haploid lines derived from four families to dissect the genetic architecture underlying grain yield and thousand kernel weight by multiple‐line cross QTL mapping. We identified 3 QTL for grain yield and 13 for thousand kernel weight which cross‐validated explained 5.2% and 48.2% of the genotypic variance, respectively. Both traits showed a positive phenotypic correlation, and we found two QTL overlapping between them. Full two‐dimensional epistasis scans revealed epistatic QTL for both traits, suggesting that epistatic interactions contribute to their genetic architecture. Based on QTL identified in our results, we conclude that the potential for marker‐assisted selection is limited for grain yield but more promising for thousand kernel weight.</description><subject>Genotype & phenotype</subject><subject>grain yield</subject><subject>Inbreeding</subject><subject>multiple families</subject><subject>QTL mapping</subject><subject>thousand kernel weight</subject><subject>triticale</subject><issn>0179-9541</issn><issn>1439-0523</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp10E1PwyAcBnBiNHFOD34DEi966MZraY9qfEs63zJfboS2dKKsrdBl7tvLrHowkQuQ_B745wFgH6MRDmvc5m6ECUNoAwwwo2mEOKGbYICwSKOUM7wNdrx_Res7FQPwNFnYzrRWR9bUGhau8R7eTTM4V21r6hmsGgdnTpkaroy2JVR1CbuXZuHXhzftam3hUpvZSweD6ZzpTKGs3gVblbJe733vQ_BwfjY9vYyym4ur0-MsKmicoIgmjBNRJhzzHBdlzqtUpDlVgle8qCjTIiYEpSXhhY5Lpsoc8aTENCiWEELoEBz277aueV9o38m58YW2VtU6DClxQkSKEWVxoAd_6GuzcHWYbq04FVQwFtRRr76qcLqSrTNz5VYSI7muWIaK5VfFwY57uzRWr_6H8vbk_icR9QnjO_3xm1DuTcbhfy6fri_k5HKaoZPnR8noJ8ZTitU</recordid><startdate>201610</startdate><enddate>201610</enddate><creator>Liu, Wenxin</creator><creator>Leiser, Willmar L.</creator><creator>Reif, Jochen C.</creator><creator>Tucker, Matthew R.</creator><creator>Losert, Dominik</creator><creator>Weissmann, Sigrid</creator><creator>Hahn, Volker</creator><creator>Maurer, Hans Peter</creator><creator>Würschum, Tobias</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</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>201610</creationdate><title>Multiple-line cross QTL mapping for grain yield and thousand kernel weight in triticale</title><author>Liu, Wenxin ; Leiser, Willmar L. ; Reif, Jochen C. ; Tucker, Matthew R. ; Losert, Dominik ; Weissmann, Sigrid ; Hahn, Volker ; Maurer, Hans Peter ; Würschum, Tobias</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3680-384527d8515b1cdb5f979b3a75f5cf34e762209d25ce6d4adb058d13979482223</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Genotype & phenotype</topic><topic>grain yield</topic><topic>Inbreeding</topic><topic>multiple families</topic><topic>QTL mapping</topic><topic>thousand kernel weight</topic><topic>triticale</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Wenxin</creatorcontrib><creatorcontrib>Leiser, Willmar L.</creatorcontrib><creatorcontrib>Reif, Jochen C.</creatorcontrib><creatorcontrib>Tucker, Matthew R.</creatorcontrib><creatorcontrib>Losert, Dominik</creatorcontrib><creatorcontrib>Weissmann, Sigrid</creatorcontrib><creatorcontrib>Hahn, Volker</creatorcontrib><creatorcontrib>Maurer, Hans Peter</creatorcontrib><creatorcontrib>Würschum, Tobias</creatorcontrib><collection>Istex</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>Liu, Wenxin</au><au>Leiser, Willmar L.</au><au>Reif, Jochen C.</au><au>Tucker, Matthew R.</au><au>Losert, Dominik</au><au>Weissmann, Sigrid</au><au>Hahn, Volker</au><au>Maurer, Hans Peter</au><au>Würschum, Tobias</au><au>Pillen, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Multiple-line cross QTL mapping for grain yield and thousand kernel weight in triticale</atitle><jtitle>Plant breeding</jtitle><addtitle>Plant Breed</addtitle><date>2016-10</date><risdate>2016</risdate><volume>135</volume><issue>5</issue><spage>567</spage><epage>573</epage><pages>567-573</pages><issn>0179-9541</issn><eissn>1439-0523</eissn><abstract>Grain yield and its component trait thousand kernel weight are important traits in triticale breeding programmes. Here, we used a large mapping population of 647 doubled haploid lines derived from four families to dissect the genetic architecture underlying grain yield and thousand kernel weight by multiple‐line cross QTL mapping. We identified 3 QTL for grain yield and 13 for thousand kernel weight which cross‐validated explained 5.2% and 48.2% of the genotypic variance, respectively. Both traits showed a positive phenotypic correlation, and we found two QTL overlapping between them. Full two‐dimensional epistasis scans revealed epistatic QTL for both traits, suggesting that epistatic interactions contribute to their genetic architecture. Based on QTL identified in our results, we conclude that the potential for marker‐assisted selection is limited for grain yield but more promising for thousand kernel weight.</abstract><cop>Berlin</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/pbr.12400</doi><tpages>7</tpages></addata></record> |
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| ispartof | Plant breeding, 2016-10, Vol.135 (5), p.567-573 |
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| language | eng |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Genotype & phenotype grain yield Inbreeding multiple families QTL mapping thousand kernel weight triticale |
| title | Multiple-line cross QTL mapping for grain yield and thousand kernel weight in triticale |
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