Mapping of resistance loci in wheat line Milan/S87230//Babax to South African races of Puccinia striiformis f. sp. tritici
The continuous emergence of new Puccinia striiformis Westend f. sp. tritici Erikss ( Pst ) races requires a sustained search for useful sources of resistance. A CIMMYT bread wheat line (pedigree: Milan/S87230//Babax; renamed NSRPan4) was identified as highly resistant to South African Pst races. A r...
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| creator | Prins, Renée de Klerk, Corneli Boshoff, Willem H. P. Bender, Cornel M. Pretorius, Zacharias A. Botha, Kirsty S. Wessels, Elsabet |
| description | The continuous emergence of new
Puccinia striiformis
Westend f. sp.
tritici
Erikss (
Pst
) races requires a sustained search for useful sources of resistance. A CIMMYT bread wheat line (pedigree: Milan/S87230//Babax; renamed NSRPan4) was identified as highly resistant to South African
Pst
races. A recombinant inbred line (RIL) mapping population was developed by crossing NSRPan4 with Avocet S. Stripe rust data collected for RILs, using
Pst
race 6E22A + , include seedling infection types determined under controlled conditions as well as adult plant responses determined in field trials over three consecutive seasons. Quantitative trait loci (QTL) mapping identified stripe rust resistance genes/QTL on chromosomes 2A and 2B, temporarily designated as
QYr.ufs-2A.2(YR17)
and
QYr.ufs-2B.1
, respectively
.
The QTL interval on chromosome 2A, which includes the
LR37/YR17/SR38
gene complex (also referred to as the 2NS/2AS or 2N
V
S segment), conferred a significant seedling (R
2
23.5%) and adult plant resistance effect (R
2
up to 54.5%). The QTL on 2B contributed up to 46.4% of phenotypic variance observed. Three minor QTL, temporarily designated as
QYr.ufs-1B.1
(possibly
LR46/YR29
)
, QYr.ufs-3D.1
and
QYr.ufs-7A.1
were also detected. Our results support findings that notwithstanding the reported virulence for
YR17
, the
LR37/YR17/SR38
segment remains useful in combination with other sources of resistance in certain genetic backgrounds and environments. Together with
QYr.ufs-2B.1
and in the presence of the detected minor QTL and yet unidentified resistances, it was a consistent major contributor to the high level of stripe rust resistance in NSRPan4 to South African races of
Pst
. |
| doi_str_mv | 10.1007/s10681-024-03415-1 |
| format | Article |
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Puccinia striiformis
Westend f. sp.
tritici
Erikss (
Pst
) races requires a sustained search for useful sources of resistance. A CIMMYT bread wheat line (pedigree: Milan/S87230//Babax; renamed NSRPan4) was identified as highly resistant to South African
Pst
races. A recombinant inbred line (RIL) mapping population was developed by crossing NSRPan4 with Avocet S. Stripe rust data collected for RILs, using
Pst
race 6E22A + , include seedling infection types determined under controlled conditions as well as adult plant responses determined in field trials over three consecutive seasons. Quantitative trait loci (QTL) mapping identified stripe rust resistance genes/QTL on chromosomes 2A and 2B, temporarily designated as
QYr.ufs-2A.2(YR17)
and
QYr.ufs-2B.1
, respectively
.
The QTL interval on chromosome 2A, which includes the
LR37/YR17/SR38
gene complex (also referred to as the 2NS/2AS or 2N
V
S segment), conferred a significant seedling (R
2
23.5%) and adult plant resistance effect (R
2
up to 54.5%). The QTL on 2B contributed up to 46.4% of phenotypic variance observed. Three minor QTL, temporarily designated as
QYr.ufs-1B.1
(possibly
LR46/YR29
)
, QYr.ufs-3D.1
and
QYr.ufs-7A.1
were also detected. Our results support findings that notwithstanding the reported virulence for
YR17
, the
LR37/YR17/SR38
segment remains useful in combination with other sources of resistance in certain genetic backgrounds and environments. Together with
QYr.ufs-2B.1
and in the presence of the detected minor QTL and yet unidentified resistances, it was a consistent major contributor to the high level of stripe rust resistance in NSRPan4 to South African races of
Pst
.</description><identifier>ISSN: 0014-2336</identifier><identifier>EISSN: 1573-5060</identifier><identifier>DOI: 10.1007/s10681-024-03415-1</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Babax ; Biomedical and Life Sciences ; Biotechnology ; Chromosomes ; Controlled conditions ; Disease resistance ; Gene mapping ; Inbreeding ; Life Sciences ; Mapping ; Phenotypic variations ; Plant Genetics and Genomics ; Plant Pathology ; Plant Physiology ; Plant resistance ; Plant Sciences ; Puccinia striiformis ; Quantitative trait loci ; Seedlings ; Segments ; Stripe rust ; Virulence ; Wheat</subject><ispartof>Euphytica, 2024-10, Vol.220 (10), p.162, Article 162</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c200t-4333afb68395f41e0d9f303c75e46803475c7759884c0dbbc332cf3bf9f403843</cites><orcidid>0000-0002-6695-6051 ; 0000-0002-1053-188X ; 0000-0001-5348-5281 ; 0000-0001-9775-6709 ; 0000-0002-9431-7409 ; 0000-0003-1577-6816 ; 0000-0003-2769-5546</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10681-024-03415-1$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10681-024-03415-1$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Prins, Renée</creatorcontrib><creatorcontrib>de Klerk, Corneli</creatorcontrib><creatorcontrib>Boshoff, Willem H. P.</creatorcontrib><creatorcontrib>Bender, Cornel M.</creatorcontrib><creatorcontrib>Pretorius, Zacharias A.</creatorcontrib><creatorcontrib>Botha, Kirsty S.</creatorcontrib><creatorcontrib>Wessels, Elsabet</creatorcontrib><title>Mapping of resistance loci in wheat line Milan/S87230//Babax to South African races of Puccinia striiformis f. sp. tritici</title><title>Euphytica</title><addtitle>Euphytica</addtitle><description>The continuous emergence of new
Puccinia striiformis
Westend f. sp.
tritici
Erikss (
Pst
) races requires a sustained search for useful sources of resistance. A CIMMYT bread wheat line (pedigree: Milan/S87230//Babax; renamed NSRPan4) was identified as highly resistant to South African
Pst
races. A recombinant inbred line (RIL) mapping population was developed by crossing NSRPan4 with Avocet S. Stripe rust data collected for RILs, using
Pst
race 6E22A + , include seedling infection types determined under controlled conditions as well as adult plant responses determined in field trials over three consecutive seasons. Quantitative trait loci (QTL) mapping identified stripe rust resistance genes/QTL on chromosomes 2A and 2B, temporarily designated as
QYr.ufs-2A.2(YR17)
and
QYr.ufs-2B.1
, respectively
.
The QTL interval on chromosome 2A, which includes the
LR37/YR17/SR38
gene complex (also referred to as the 2NS/2AS or 2N
V
S segment), conferred a significant seedling (R
2
23.5%) and adult plant resistance effect (R
2
up to 54.5%). The QTL on 2B contributed up to 46.4% of phenotypic variance observed. Three minor QTL, temporarily designated as
QYr.ufs-1B.1
(possibly
LR46/YR29
)
, QYr.ufs-3D.1
and
QYr.ufs-7A.1
were also detected. Our results support findings that notwithstanding the reported virulence for
YR17
, the
LR37/YR17/SR38
segment remains useful in combination with other sources of resistance in certain genetic backgrounds and environments. Together with
QYr.ufs-2B.1
and in the presence of the detected minor QTL and yet unidentified resistances, it was a consistent major contributor to the high level of stripe rust resistance in NSRPan4 to South African races of
Pst
.</description><subject>Babax</subject><subject>Biomedical and Life Sciences</subject><subject>Biotechnology</subject><subject>Chromosomes</subject><subject>Controlled conditions</subject><subject>Disease resistance</subject><subject>Gene mapping</subject><subject>Inbreeding</subject><subject>Life Sciences</subject><subject>Mapping</subject><subject>Phenotypic variations</subject><subject>Plant Genetics and Genomics</subject><subject>Plant Pathology</subject><subject>Plant Physiology</subject><subject>Plant resistance</subject><subject>Plant Sciences</subject><subject>Puccinia striiformis</subject><subject>Quantitative trait loci</subject><subject>Seedlings</subject><subject>Segments</subject><subject>Stripe rust</subject><subject>Virulence</subject><subject>Wheat</subject><issn>0014-2336</issn><issn>1573-5060</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kMtOwzAQRS0EEqXwA6wssU4zzjivZUG8pFYgFdaW49qtq9QJdiIeX09KkNixGml0zx3NIeSSwYwB5HFgkBUsgoRHgJylETsiE5bmGKWQwTGZADAeJYjZKTkLYQcAZZ7ChHwtZdtat6GNoV4HGzrplKZ1oyy1jr5vtexobZ2mS1tLF6-KPEGI42tZyQ_aNXTV9N2Wzo23SjrqpdLh0PXcK2WdlTR03lrT-L0N1MxoaGd02HRW2XNyYmQd9MXvnJLXu9uXm4do8XT_eDNfRCoB6CKOiNJUWYFlajjTsC4NAqo81Twrhm_zVOV5WhYFV7CuKoWYKIOVKQ0HLDhOydXY2_rmrdehE7um9244KZAxhhmDohxSyZhSvgnBayNab_fSfwoG4uBYjI7F4Fj8OBZsgHCEwhB2G-3_qv-hvgHEnH0h</recordid><startdate>20241001</startdate><enddate>20241001</enddate><creator>Prins, Renée</creator><creator>de Klerk, Corneli</creator><creator>Boshoff, Willem H. P.</creator><creator>Bender, Cornel M.</creator><creator>Pretorius, Zacharias A.</creator><creator>Botha, Kirsty S.</creator><creator>Wessels, Elsabet</creator><general>Springer Netherlands</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7TM</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>M7N</scope><scope>P64</scope><scope>RC3</scope><orcidid>https://orcid.org/0000-0002-6695-6051</orcidid><orcidid>https://orcid.org/0000-0002-1053-188X</orcidid><orcidid>https://orcid.org/0000-0001-5348-5281</orcidid><orcidid>https://orcid.org/0000-0001-9775-6709</orcidid><orcidid>https://orcid.org/0000-0002-9431-7409</orcidid><orcidid>https://orcid.org/0000-0003-1577-6816</orcidid><orcidid>https://orcid.org/0000-0003-2769-5546</orcidid></search><sort><creationdate>20241001</creationdate><title>Mapping of resistance loci in wheat line Milan/S87230//Babax to South African races of Puccinia striiformis f. sp. tritici</title><author>Prins, Renée ; de Klerk, Corneli ; Boshoff, Willem H. P. ; Bender, Cornel M. ; Pretorius, Zacharias A. ; Botha, Kirsty S. ; Wessels, Elsabet</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c200t-4333afb68395f41e0d9f303c75e46803475c7759884c0dbbc332cf3bf9f403843</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Babax</topic><topic>Biomedical and Life Sciences</topic><topic>Biotechnology</topic><topic>Chromosomes</topic><topic>Controlled conditions</topic><topic>Disease resistance</topic><topic>Gene mapping</topic><topic>Inbreeding</topic><topic>Life Sciences</topic><topic>Mapping</topic><topic>Phenotypic variations</topic><topic>Plant Genetics and Genomics</topic><topic>Plant Pathology</topic><topic>Plant Physiology</topic><topic>Plant resistance</topic><topic>Plant Sciences</topic><topic>Puccinia striiformis</topic><topic>Quantitative trait loci</topic><topic>Seedlings</topic><topic>Segments</topic><topic>Stripe rust</topic><topic>Virulence</topic><topic>Wheat</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Prins, Renée</creatorcontrib><creatorcontrib>de Klerk, Corneli</creatorcontrib><creatorcontrib>Boshoff, Willem H. P.</creatorcontrib><creatorcontrib>Bender, Cornel M.</creatorcontrib><creatorcontrib>Pretorius, Zacharias A.</creatorcontrib><creatorcontrib>Botha, Kirsty S.</creatorcontrib><creatorcontrib>Wessels, Elsabet</creatorcontrib><collection>CrossRef</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Nucleic Acids Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Genetics Abstracts</collection><jtitle>Euphytica</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Prins, Renée</au><au>de Klerk, Corneli</au><au>Boshoff, Willem H. P.</au><au>Bender, Cornel M.</au><au>Pretorius, Zacharias A.</au><au>Botha, Kirsty S.</au><au>Wessels, Elsabet</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Mapping of resistance loci in wheat line Milan/S87230//Babax to South African races of Puccinia striiformis f. sp. tritici</atitle><jtitle>Euphytica</jtitle><stitle>Euphytica</stitle><date>2024-10-01</date><risdate>2024</risdate><volume>220</volume><issue>10</issue><spage>162</spage><pages>162-</pages><artnum>162</artnum><issn>0014-2336</issn><eissn>1573-5060</eissn><abstract>The continuous emergence of new
Puccinia striiformis
Westend f. sp.
tritici
Erikss (
Pst
) races requires a sustained search for useful sources of resistance. A CIMMYT bread wheat line (pedigree: Milan/S87230//Babax; renamed NSRPan4) was identified as highly resistant to South African
Pst
races. A recombinant inbred line (RIL) mapping population was developed by crossing NSRPan4 with Avocet S. Stripe rust data collected for RILs, using
Pst
race 6E22A + , include seedling infection types determined under controlled conditions as well as adult plant responses determined in field trials over three consecutive seasons. Quantitative trait loci (QTL) mapping identified stripe rust resistance genes/QTL on chromosomes 2A and 2B, temporarily designated as
QYr.ufs-2A.2(YR17)
and
QYr.ufs-2B.1
, respectively
.
The QTL interval on chromosome 2A, which includes the
LR37/YR17/SR38
gene complex (also referred to as the 2NS/2AS or 2N
V
S segment), conferred a significant seedling (R
2
23.5%) and adult plant resistance effect (R
2
up to 54.5%). The QTL on 2B contributed up to 46.4% of phenotypic variance observed. Three minor QTL, temporarily designated as
QYr.ufs-1B.1
(possibly
LR46/YR29
)
, QYr.ufs-3D.1
and
QYr.ufs-7A.1
were also detected. Our results support findings that notwithstanding the reported virulence for
YR17
, the
LR37/YR17/SR38
segment remains useful in combination with other sources of resistance in certain genetic backgrounds and environments. Together with
QYr.ufs-2B.1
and in the presence of the detected minor QTL and yet unidentified resistances, it was a consistent major contributor to the high level of stripe rust resistance in NSRPan4 to South African races of
Pst
.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><doi>10.1007/s10681-024-03415-1</doi><orcidid>https://orcid.org/0000-0002-6695-6051</orcidid><orcidid>https://orcid.org/0000-0002-1053-188X</orcidid><orcidid>https://orcid.org/0000-0001-5348-5281</orcidid><orcidid>https://orcid.org/0000-0001-9775-6709</orcidid><orcidid>https://orcid.org/0000-0002-9431-7409</orcidid><orcidid>https://orcid.org/0000-0003-1577-6816</orcidid><orcidid>https://orcid.org/0000-0003-2769-5546</orcidid></addata></record> |
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| subjects | Babax Biomedical and Life Sciences Biotechnology Chromosomes Controlled conditions Disease resistance Gene mapping Inbreeding Life Sciences Mapping Phenotypic variations Plant Genetics and Genomics Plant Pathology Plant Physiology Plant resistance Plant Sciences Puccinia striiformis Quantitative trait loci Seedlings Segments Stripe rust Virulence Wheat |
| title | Mapping of resistance loci in wheat line Milan/S87230//Babax to South African races of Puccinia striiformis f. sp. tritici |
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