Improvement of Endosperm Hydration Counter the Negative Relationship Between Dormancy and Malt Quality in Barley (Hordeum vulgare)
ABSTRACT Dormancy in barley has been thoroughly studied and shown to negatively impact malt quality, resulting in selection against dormancy. However, reduced dormancy coincides with increased preharvest sprout (PHS) risk, thus sparking a new interest in integrating dormancy back into American barle...
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| Veröffentlicht in: | Plant breeding 2024-12, Vol.143 (6), p.883-894 |
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| creator | Jensen, Joseph Uhlmann, Hannah Lachowiec, Jennifer Lutgen, Greg Cook, Jason P. Yin, Xiang S. Kephart, Ken Sherman, Jamie |
| description | ABSTRACT
Dormancy in barley has been thoroughly studied and shown to negatively impact malt quality, resulting in selection against dormancy. However, reduced dormancy coincides with increased preharvest sprout (PHS) risk, thus sparking a new interest in integrating dormancy back into American barley lines if the negative effects of dormancy on malt quality can be overcome. We evaluated the dormancy and hydration index (HYI) in a biparental mapping population to determine the genotypes that would protect against PHS but have good malt quality. We found 4 HYI QTLs and 4 dormancy QTLs, one of which was near the well‐described SD2 QTL. The HYI QTLs were pleiotropically related to seed size (1H), dormancy (5H) and malt quality (2H). Lines with dormancy (5H) and increased HYI (2H and 3H) had malt quality similar to nondormant lines while maintaining PHS resistance, suggesting improvements in HYI could be the key to overcoming the negative effects of dormancy in malting. |
| doi_str_mv | 10.1111/pbr.13217 |
| format | Article |
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Dormancy in barley has been thoroughly studied and shown to negatively impact malt quality, resulting in selection against dormancy. However, reduced dormancy coincides with increased preharvest sprout (PHS) risk, thus sparking a new interest in integrating dormancy back into American barley lines if the negative effects of dormancy on malt quality can be overcome. We evaluated the dormancy and hydration index (HYI) in a biparental mapping population to determine the genotypes that would protect against PHS but have good malt quality. We found 4 HYI QTLs and 4 dormancy QTLs, one of which was near the well‐described SD2 QTL. The HYI QTLs were pleiotropically related to seed size (1H), dormancy (5H) and malt quality (2H). Lines with dormancy (5H) and increased HYI (2H and 3H) had malt quality similar to nondormant lines while maintaining PHS resistance, suggesting improvements in HYI could be the key to overcoming the negative effects of dormancy in malting.</description><identifier>ISSN: 0179-9541</identifier><identifier>EISSN: 1439-0523</identifier><identifier>DOI: 10.1111/pbr.13217</identifier><language>eng</language><publisher>Berlin: Wiley Subscription Services, Inc</publisher><subject>Barley ; Dormancy ; Endosperm ; Genotypes ; Hordeum vulgare ; Hydration ; hydration index ; Malt ; Quantitative trait loci</subject><ispartof>Plant breeding, 2024-12, Vol.143 (6), p.883-894</ispartof><rights>2024 The Author(s). published by Wiley‐VCH GmbH.</rights><rights>2024. This article is published under http://creativecommons.org/licenses/by-nc-nd/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c2227-1c66c49a0462a91554b6b2b4ae7d0b2e36089919ac8399e24d626c740b1cd0e03</cites><orcidid>0000-0003-2962-6448 ; 0000-0001-6223-6850 ; 0000-0003-1046-6528</orcidid></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.13217$$EPDF$$P50$$Gwiley$$Hfree_for_read</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fpbr.13217$$EHTML$$P50$$Gwiley$$Hfree_for_read</linktohtml><link.rule.ids>314,776,780,1411,27903,27904,45552,45553</link.rule.ids></links><search><creatorcontrib>Jensen, Joseph</creatorcontrib><creatorcontrib>Uhlmann, Hannah</creatorcontrib><creatorcontrib>Lachowiec, Jennifer</creatorcontrib><creatorcontrib>Lutgen, Greg</creatorcontrib><creatorcontrib>Cook, Jason P.</creatorcontrib><creatorcontrib>Yin, Xiang S.</creatorcontrib><creatorcontrib>Kephart, Ken</creatorcontrib><creatorcontrib>Sherman, Jamie</creatorcontrib><title>Improvement of Endosperm Hydration Counter the Negative Relationship Between Dormancy and Malt Quality in Barley (Hordeum vulgare)</title><title>Plant breeding</title><description>ABSTRACT
Dormancy in barley has been thoroughly studied and shown to negatively impact malt quality, resulting in selection against dormancy. However, reduced dormancy coincides with increased preharvest sprout (PHS) risk, thus sparking a new interest in integrating dormancy back into American barley lines if the negative effects of dormancy on malt quality can be overcome. We evaluated the dormancy and hydration index (HYI) in a biparental mapping population to determine the genotypes that would protect against PHS but have good malt quality. We found 4 HYI QTLs and 4 dormancy QTLs, one of which was near the well‐described SD2 QTL. The HYI QTLs were pleiotropically related to seed size (1H), dormancy (5H) and malt quality (2H). 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Dormancy in barley has been thoroughly studied and shown to negatively impact malt quality, resulting in selection against dormancy. However, reduced dormancy coincides with increased preharvest sprout (PHS) risk, thus sparking a new interest in integrating dormancy back into American barley lines if the negative effects of dormancy on malt quality can be overcome. We evaluated the dormancy and hydration index (HYI) in a biparental mapping population to determine the genotypes that would protect against PHS but have good malt quality. We found 4 HYI QTLs and 4 dormancy QTLs, one of which was near the well‐described SD2 QTL. The HYI QTLs were pleiotropically related to seed size (1H), dormancy (5H) and malt quality (2H). Lines with dormancy (5H) and increased HYI (2H and 3H) had malt quality similar to nondormant lines while maintaining PHS resistance, suggesting improvements in HYI could be the key to overcoming the negative effects of dormancy in malting.</abstract><cop>Berlin</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1111/pbr.13217</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-2962-6448</orcidid><orcidid>https://orcid.org/0000-0001-6223-6850</orcidid><orcidid>https://orcid.org/0000-0003-1046-6528</orcidid><oa>free_for_read</oa></addata></record> |
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| ispartof | Plant breeding, 2024-12, Vol.143 (6), p.883-894 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Barley Dormancy Endosperm Genotypes Hordeum vulgare Hydration hydration index Malt Quantitative trait loci |
| title | Improvement of Endosperm Hydration Counter the Negative Relationship Between Dormancy and Malt Quality in Barley (Hordeum vulgare) |
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