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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
27/08/2020 |
Actualizado : |
21/05/2021 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
BARAIBAR, S.; GARCIA, R.; SILVA, P.; LADO, B.; CASTRO, A.; GUTIÉRREZ , L.; KAVANOVÁ, M.; QUINCKE, M.; BHAVANI , S.; RANDHAWA, M.S.; GERMAN, S. |
Afiliación : |
SILVINA BARAIBAR PEDERSEN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RICHARD ANSELMO GARCIA USUCA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA PAULA SILVA VILLELLA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; BETINA LADO, Facultad de Agronomía, Universidad de la República, Garzón 780, 12900 Montevideo, Uruguay.; AIREL CASTRO, Facultad de Agronomía, Universidad de la República, Estación Experimental Dr. Mario A. Cassinoni, Ruta 3, km 363, 60000 Paysandú, Uruguay; LUCIA GUTIÉRREZ, Department of Agronomy, University of Wisconsin–Madison, 1575, Linden Dr, Madison, WI 53706, USA.; MONIKA KAVANOVÁ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARTIN CONRADO QUINCKE WALDEN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SRIDHAR BHAVANI, International Maize and Wheat Improvement Center (CIMMYT), Km. 45, Carretera, México-Veracruz, El Batán, CP 56237 Texcoco, Edo. de México, Mexico.; MANDEEP S. RANDHAWA, International Maize and Wheat Improvement Center (CIMMYT), World Agroforestry Centre (ICRAF), United Nations Avenue, Gigiri, P.O. Box 1041, Nairobi 00621, Kenya.; SILVIA ELISA GERMAN FAEDO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
QTL of resistance to Ug99 and other stem rust pathogen races in bread wheat. |
Fecha de publicación : |
2020 |
Fuente / Imprenta : |
Molecular Breeding, 1 August 2020, Volume 40, Issue 8, Article number 82. DOI: https://doi.org/10.1007/s11032-020-01153-5 |
DOI : |
10.1007/s11032-020-01153-5 |
Idioma : |
Inglés |
Notas : |
Article history: Received 26 June 2019/ Accepted 23 October 2019/ Published 15 August 2020. |
Contenido : |
Abstract:
Most wheat cultivars planted worldwide are susceptible to the stem rust Ug99 race group. To prepare for the potential spread of these races into South America, we aimed to identify genomic regions responsible for resistance to Ug99 race group in germplasm adapted to South America. Two RIL populations from a cross between a stem rust susceptible parent ?Baguette 13? and resistant local parents ?INIA Tero? and ?BR23//CEP19/PF85490? were developed. Phenotypical evaluation was completed at the seedling stage in Uruguay and under field conditions in Uruguay and Kenya. Both RIL populations were genotyped using the GBS approach. Besides Sr24, three other resistance loci in ?INIA Tero? were detected on chromosomes 2B, 6A, and 7B. All four QTL were effective to local races, whereas only the QTL on chromosome 2B was effective against the Ug99 race group. Besides Sr31, ?BR23//CEP19/PF85490? also carries two other stem rust resistance loci on chromosomes 2B and 6A. All three explained the resistance in Uruguay, while only the QTL on 2B was effective to Ug99 in Kenya. The physical location suggested that the QTL identified on chromosome 2B in both populations may correspond to Sr28, which was confirmed using specific molecular markers. Further studies are needed to determine the relationship between QTL for resistance to local races identified on chromosomes 6A and 7B and previously reported resistance genes and QTL. The results of this study are highly relevant for breeding wheat cultivars with diverse and durable resistance to stem rust. MenosAbstract:
Most wheat cultivars planted worldwide are susceptible to the stem rust Ug99 race group. To prepare for the potential spread of these races into South America, we aimed to identify genomic regions responsible for resistance to Ug99 race group in germplasm adapted to South America. Two RIL populations from a cross between a stem rust susceptible parent ?Baguette 13? and resistant local parents ?INIA Tero? and ?BR23//CEP19/PF85490? were developed. Phenotypical evaluation was completed at the seedling stage in Uruguay and under field conditions in Uruguay and Kenya. Both RIL populations were genotyped using the GBS approach. Besides Sr24, three other resistance loci in ?INIA Tero? were detected on chromosomes 2B, 6A, and 7B. All four QTL were effective to local races, whereas only the QTL on chromosome 2B was effective against the Ug99 race group. Besides Sr31, ?BR23//CEP19/PF85490? also carries two other stem rust resistance loci on chromosomes 2B and 6A. All three explained the resistance in Uruguay, while only the QTL on 2B was effective to Ug99 in Kenya. The physical location suggested that the QTL identified on chromosome 2B in both populations may correspond to Sr28, which was confirmed using specific molecular markers. Further studies are needed to determine the relationship between QTL for resistance to local races identified on chromosomes 6A and 7B and previously reported resistance genes and QTL. The results of this study are highly relevant for breeding wh... Presentar Todo |
Palabras claves : |
GENETIC RESISTANCE; PUCCINIA GRAMINIS F. SP. TRITICI; QTL MAPPING; TRITICUM AESTIVUM. |
Thesagro : |
RESISTENCIA GENETICA; TRIGO. |
Asunto categoría : |
H20 Enfermedades de las plantas |
Marc : |
LEADER 02649naa a2200337 a 4500 001 1061286 005 2021-05-21 008 2020 bl uuuu u00u1 u #d 024 7 $a10.1007/s11032-020-01153-5$2DOI 100 1 $aBARAIBAR, S. 245 $aQTL of resistance to Ug99 and other stem rust pathogen races in bread wheat.$h[electronic resource] 260 $c2020 500 $aArticle history: Received 26 June 2019/ Accepted 23 October 2019/ Published 15 August 2020. 520 $aAbstract: Most wheat cultivars planted worldwide are susceptible to the stem rust Ug99 race group. To prepare for the potential spread of these races into South America, we aimed to identify genomic regions responsible for resistance to Ug99 race group in germplasm adapted to South America. Two RIL populations from a cross between a stem rust susceptible parent ?Baguette 13? and resistant local parents ?INIA Tero? and ?BR23//CEP19/PF85490? were developed. Phenotypical evaluation was completed at the seedling stage in Uruguay and under field conditions in Uruguay and Kenya. Both RIL populations were genotyped using the GBS approach. Besides Sr24, three other resistance loci in ?INIA Tero? were detected on chromosomes 2B, 6A, and 7B. All four QTL were effective to local races, whereas only the QTL on chromosome 2B was effective against the Ug99 race group. Besides Sr31, ?BR23//CEP19/PF85490? also carries two other stem rust resistance loci on chromosomes 2B and 6A. All three explained the resistance in Uruguay, while only the QTL on 2B was effective to Ug99 in Kenya. The physical location suggested that the QTL identified on chromosome 2B in both populations may correspond to Sr28, which was confirmed using specific molecular markers. Further studies are needed to determine the relationship between QTL for resistance to local races identified on chromosomes 6A and 7B and previously reported resistance genes and QTL. The results of this study are highly relevant for breeding wheat cultivars with diverse and durable resistance to stem rust. 650 $aRESISTENCIA GENETICA 650 $aTRIGO 653 $aGENETIC RESISTANCE 653 $aPUCCINIA GRAMINIS F. SP. TRITICI 653 $aQTL MAPPING 653 $aTRITICUM AESTIVUM 700 1 $aGARCIA, R. 700 1 $aSILVA, P. 700 1 $aLADO, B. 700 1 $aCASTRO, A. 700 1 $aGUTIÉRREZ , L. 700 1 $aKAVANOVÁ, M. 700 1 $aQUINCKE, M. 700 1 $aBHAVANI , S. 700 1 $aRANDHAWA, M.S. 700 1 $aGERMAN, S. 773 $tMolecular Breeding, 1 August 2020, Volume 40, Issue 8, Article number 82. DOI: https://doi.org/10.1007/s11032-020-01153-5
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INIA La Estanzuela (LE) |
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha actual : |
04/05/2018 |
Actualizado : |
04/05/2018 |
Tipo de producción científica : |
Documentos |
Autor : |
CASTRO, M. |
Afiliación : |
MARINA CASTRO DERENYI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
III. Evaluación de cultivares de trigo ciclo intermedio. |
Fecha de publicación : |
2018 |
Fuente / Imprenta : |
In: Resultados experimentales de la evaluación nacional de cultivares de trigo ciclo intermedio: período 2017. La Estanzuela (UY): INIA; INASE, 2018. |
Páginas : |
p. 5-10. |
Idioma : |
Español |
Notas : |
Editado por el Equipo de Evaluación de Cultivares Impreso por Unidad de Comunicación y Transferencia de Tecnología INIA La Estanzuela. Convenio INASE-INIA. |
Contenido : |
INTRODUCCIÓN
En los ensayos de trigo que se llevan a cabo en el marco de la Evaluación Nacional de Cultivares del Convenio INASE-INIA, se controlan la mayoría de los factores que afectan el comportamiento agronómico de los genotipos (fertilidad del suelo, malezas e insectos). Con respecto al aspecto sanitario de los cultivares, a partir de la zafra 2013 se conducen dos grupos de ensayos en todas las localidades: sin y con fungicidas. En los ensayos sin fungicidas las enfermedades, tanto foliares como de la espiga, no se controlan porque es necesario caracterizar el comportamiento de los distintos cultivares a las distintas enfermedades. Esta información es de vital importancia para el manejo sanitario en chacra de los diferentes cultivares. Por otro lado, removiendo la mayor cantidad de factores que afectan el rendimiento es posible conocer el rendimiento alcanzable de los diferentes cultivares de trigo. A estos efectos, se conducen ensayos de trigo con control de enfermedades foliares (con fungicidas). |
Palabras claves : |
TRIGO CICLO INTERMEDIO. |
Thesagro : |
EVALUACION DE CULTIVARES; TRIGO. |
Asunto categoría : |
F01 Cultivo |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/9452/1/PubTrigoIntermedioPeriodo2017.p.5-10-Castro-et-al.pdf
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Marc : |
LEADER 01780naa a2200181 a 4500 001 1058525 005 2018-05-04 008 2018 bl uuuu u00u1 u #d 100 1 $aCASTRO, M. 245 $aIII. Evaluación de cultivares de trigo ciclo intermedio.$h[electronic resource] 260 $c2018 300 $ap. 5-10. 500 $aEditado por el Equipo de Evaluación de Cultivares Impreso por Unidad de Comunicación y Transferencia de Tecnología INIA La Estanzuela. Convenio INASE-INIA. 520 $aINTRODUCCIÓN En los ensayos de trigo que se llevan a cabo en el marco de la Evaluación Nacional de Cultivares del Convenio INASE-INIA, se controlan la mayoría de los factores que afectan el comportamiento agronómico de los genotipos (fertilidad del suelo, malezas e insectos). Con respecto al aspecto sanitario de los cultivares, a partir de la zafra 2013 se conducen dos grupos de ensayos en todas las localidades: sin y con fungicidas. En los ensayos sin fungicidas las enfermedades, tanto foliares como de la espiga, no se controlan porque es necesario caracterizar el comportamiento de los distintos cultivares a las distintas enfermedades. Esta información es de vital importancia para el manejo sanitario en chacra de los diferentes cultivares. Por otro lado, removiendo la mayor cantidad de factores que afectan el rendimiento es posible conocer el rendimiento alcanzable de los diferentes cultivares de trigo. A estos efectos, se conducen ensayos de trigo con control de enfermedades foliares (con fungicidas). 650 $aEVALUACION DE CULTIVARES 650 $aTRIGO 653 $aTRIGO CICLO INTERMEDIO 773 $tIn: Resultados experimentales de la evaluación nacional de cultivares de trigo ciclo intermedio: período 2017. La Estanzuela (UY): INIA; INASE, 2018.
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