Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America
Diseases represent a major constraint for barley (Hordeum vulgare L.) production in Latin America. Spot blotch (caused by Cochliobolus sativus), stripe rust (caused by Puccinia striiformis f.sp. hordei) and leaf rust (caused by Puccinia hordei) are three of the most important diseases that affect th...
| Main Authors: | , , , , , , , , , , , , , , , , , , , |
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| Format: | info:eu-repo/semantics/article |
| Language: | Inglés |
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Springer Nature
2021
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| Online Access: | https://repositorio.inia.gob.pe/handle/20.500.12955/1240 https://doi.org/10.1007/s00122-014-2448-y |
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| author | Gutiérrez, Lucia Germán, Silvia Pereyra, Silvia Hayes, Patrick M. Pérez, Carlos A. Capettini, Flavio Locatelli, Andres Berberian, Natalia M. Falconi, Esteban E. Estrada Zúniga, Rigoberto Fros, Dario Gonza Cusipuma, Víctor Antonio Altamirano Vasquez, Hernan Huerta Espino, Julio Neyra Valdez, Edgar Orjeda, Gisella Sandoval Islas, Sergio Singh, Ravi Turkington, Kelly Castro, Ariel J. |
| author_browse | Altamirano Vasquez, Hernan Berberian, Natalia M. Capettini, Flavio Castro, Ariel J. Estrada Zúniga, Rigoberto Falconi, Esteban E. Fros, Dario Germán, Silvia Gonza Cusipuma, Víctor Antonio Gutiérrez, Lucia Hayes, Patrick M. Huerta Espino, Julio Locatelli, Andres Neyra Valdez, Edgar Orjeda, Gisella Pereyra, Silvia Pérez, Carlos A. Sandoval Islas, Sergio Singh, Ravi Turkington, Kelly |
| author_facet | Gutiérrez, Lucia Germán, Silvia Pereyra, Silvia Hayes, Patrick M. Pérez, Carlos A. Capettini, Flavio Locatelli, Andres Berberian, Natalia M. Falconi, Esteban E. Estrada Zúniga, Rigoberto Fros, Dario Gonza Cusipuma, Víctor Antonio Altamirano Vasquez, Hernan Huerta Espino, Julio Neyra Valdez, Edgar Orjeda, Gisella Sandoval Islas, Sergio Singh, Ravi Turkington, Kelly Castro, Ariel J. |
| author_sort | Gutiérrez, Lucia |
| collection | Repositorio INIA |
| description | Diseases represent a major constraint for barley (Hordeum vulgare L.) production in Latin America. Spot blotch (caused by Cochliobolus sativus), stripe rust (caused by Puccinia striiformis f.sp. hordei) and leaf rust (caused by Puccinia hordei) are three of the most important diseases that affect the crop in the region. Since fungicide application is not an economically or environmentally sound solution, the development of durably resistant varieties is a priority for breeding programs. Therefore, new resistance sources are needed. The objective of this work was to detect genomic regions associated with field level plant resistance to spot blotch, stripe rust, and leaf rust in Latin American germplasm. Disease severities measured in multi-environment trials across the Americas and 1,096 SNPs in a population of 360 genotypes were used to identify genomic regions associated with disease resistance. Optimized experimental design and spatial modeling were used in each trial to estimate genotypic means. Genome-Wide Association Mapping (GWAS) in each environment was used to detect Quantitative Trait Loci (QTL). All significant environment-specific QTL were subsequently included in a multi-environment-multi-QTL (MEMQ) model. Geographical origin and inflorescence type were the main determinants of population structure. Spot blotch severity was low to intermediate while leaf and stripe rust severity was high in all environments. Mega-environments were defined by locations for spot blotch and leaf rust. Significant marker-trait associations for spot blotch (9 QTL), leaf (6 QTL) and stripe rust (7 QTL) and both global and environment-specific QTL were detected that will be useful for future breeding efforts. |
| format | info:eu-repo/semantics/article |
| id | INIA1240 |
| institution | Institucional Nacional de Innovación Agraria |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Springer Nature |
| publisherStr | Springer Nature |
| record_format | dspace |
| spelling | INIA12402023-10-11T16:07:21Z Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America Gutiérrez, Lucia Germán, Silvia Pereyra, Silvia Hayes, Patrick M. Pérez, Carlos A. Capettini, Flavio Locatelli, Andres Berberian, Natalia M. Falconi, Esteban E. Estrada Zúniga, Rigoberto Fros, Dario Gonza Cusipuma, Víctor Antonio Altamirano Vasquez, Hernan Huerta Espino, Julio Neyra Valdez, Edgar Orjeda, Gisella Sandoval Islas, Sergio Singh, Ravi Turkington, Kelly Castro, Ariel J. Quantitative Trait Locus Leaf Rust Stripe Rust Adult Plant Resistance Resistance Quantitative Trait Locus Biotecnología agrícola, Biotecnología alimentaria Diseases represent a major constraint for barley (Hordeum vulgare L.) production in Latin America. Spot blotch (caused by Cochliobolus sativus), stripe rust (caused by Puccinia striiformis f.sp. hordei) and leaf rust (caused by Puccinia hordei) are three of the most important diseases that affect the crop in the region. Since fungicide application is not an economically or environmentally sound solution, the development of durably resistant varieties is a priority for breeding programs. Therefore, new resistance sources are needed. The objective of this work was to detect genomic regions associated with field level plant resistance to spot blotch, stripe rust, and leaf rust in Latin American germplasm. Disease severities measured in multi-environment trials across the Americas and 1,096 SNPs in a population of 360 genotypes were used to identify genomic regions associated with disease resistance. Optimized experimental design and spatial modeling were used in each trial to estimate genotypic means. Genome-Wide Association Mapping (GWAS) in each environment was used to detect Quantitative Trait Loci (QTL). All significant environment-specific QTL were subsequently included in a multi-environment-multi-QTL (MEMQ) model. Geographical origin and inflorescence type were the main determinants of population structure. Spot blotch severity was low to intermediate while leaf and stripe rust severity was high in all environments. Mega-environments were defined by locations for spot blotch and leaf rust. Significant marker-trait associations for spot blotch (9 QTL), leaf (6 QTL) and stripe rust (7 QTL) and both global and environment-specific QTL were detected that will be useful for future breeding efforts. 2021-01-28T14:55:50Z 2021-01-28T14:55:50Z 2014-12-30 info:eu-repo/semantics/article Gutiérrez, L., Germán, S., Pereyra, S. et al. Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America. Theor Appl Genet 128, 501–516 (2015). doi: 10.1007/s00122-014-2448-y https://repositorio.inia.gob.pe/handle/20.500.12955/1240 Theoretical and Applied Genetics https://doi.org/10.1007/s00122-014-2448-y eng Theoretical and Applied Genetics. Volume 128, Pg 501–516. (2015) https://doi.org/10.1007/s00122-014-2448-y info:eu-repo/semantics/restrictedAccess https://creativecommons.org/licenses/by/4.0/ América Latina Springer Nature Alemania Instituto Nacional de Innovación Agraria Repositorio Institucional - INIA |
| spellingShingle | Quantitative Trait Locus Leaf Rust Stripe Rust Adult Plant Resistance Resistance Quantitative Trait Locus Biotecnología agrícola, Biotecnología alimentaria Gutiérrez, Lucia Germán, Silvia Pereyra, Silvia Hayes, Patrick M. Pérez, Carlos A. Capettini, Flavio Locatelli, Andres Berberian, Natalia M. Falconi, Esteban E. Estrada Zúniga, Rigoberto Fros, Dario Gonza Cusipuma, Víctor Antonio Altamirano Vasquez, Hernan Huerta Espino, Julio Neyra Valdez, Edgar Orjeda, Gisella Sandoval Islas, Sergio Singh, Ravi Turkington, Kelly Castro, Ariel J. Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America |
| title | Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America |
| title_full | Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America |
| title_fullStr | Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America |
| title_full_unstemmed | Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America |
| title_short | Multi-environment multi-QTL association mapping identifies disease resistance QTL in barley germplasm from Latin America |
| title_sort | multi environment multi qtl association mapping identifies disease resistance qtl in barley germplasm from latin america |
| topic | Quantitative Trait Locus Leaf Rust Stripe Rust Adult Plant Resistance Resistance Quantitative Trait Locus Biotecnología agrícola, Biotecnología alimentaria |
| url | https://repositorio.inia.gob.pe/handle/20.500.12955/1240 https://doi.org/10.1007/s00122-014-2448-y |
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