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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha : |
27/08/2020 |
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Actualizado : |
21/05/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
BARAIBAR, S.; GARCIA, R.; SILVA, P.; LADO, B.; CASTRO, A.; GUTIÉRREZ , L.; KAVANOVÁ, M.; QUINCKE, M.; BHAVANI , S.; RANDHAWA, M.S.; GERMAN, S. |
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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. |
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Título : |
QTL of resistance to Ug99 and other stem rust pathogen races in bread wheat. |
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Fecha de publicación : |
2020 |
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Fuente / Imprenta : |
Molecular 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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DOI : |
10.1007/s11032-020-01153-5 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 26 June 2019/ Accepted 23 October 2019/ Published 15 August 2020. |
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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 |
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Palabras claves : |
GENETIC RESISTANCE; PUCCINIA GRAMINIS F. SP. TRITICI; QTL MAPPING; TRITICUM AESTIVUM. |
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Thesagro : |
RESISTENCIA GENETICA; TRIGO. |
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Asunto categoría : |
H20 Enfermedades de las plantas |
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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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Registro original : |
INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
19/06/2020 |
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Actualizado : |
19/06/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Internacional - -- |
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Autor : |
TSENG, M.; ROEL, A.; DEAMBROSI, E.; TERRA, J.A.; ZORRILLA DE SAN MARTÍN, G.; RICCETTO, S.; PITTELKOW, C.M. |
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Afiliación : |
MENG-CHUN TSENG, DEPARTMENT OF CROP SCIENCES, UNIVERSITY OF ILLINOIS, USA.; ALVARO ROEL DELLAZOPPA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ENRIQUE GERMAN DEAMBROSI CHURRUT, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JOSÉ ALFREDO TERRA FERNÁNDEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GONZALO ROBERTO ZORRILLA DE SAN MARTÍN PEREYRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SARA RICCETTO, DEPARTMENT OF CROP SCIENCES, UNIVERSITY OF ILLINOIS; CAMERON M. PITTELKOW, DEPARTMENT OF CROP SCIENCES, UNIVERSITY OF ILLINOIS. |
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Título : |
Towards actionable research frameworks for sustainable intensification in high-yielding rice systems. |
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Fecha de publicación : |
2020 |
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Fuente / Imprenta : |
Scientific Reports, 2020, 9975. https://doi.org/10.1038/s41598-020-63251-w |
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DOI : |
10.1038/s41598-020-63251-w |
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Idioma : |
Inglés |
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Notas : |
OPEN ACCESS. Article history: Received 07 April 2019 // Accepted 23 March 2020 // Published 19 June 2020. |
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Contenido : |
New research frameworks that simultaneously address production and environmental goals are required to identify promising sustainable intensification options in high-yielding cereal systems. Here we estimated potential changes in environmental footprint associated with crop management practices aimed at breaking the yield ceiling for rice production in Uruguay. Results from a regional survey were combined with field experiments to integrate impacts on productivity and sustainability at two different intensification levels (average-yielding and high-yielding). Survey results indicate that high-yielding farmers produced 14% more grain compare to the regional average (7900 kg ha−1), with 25% to 99% lower agrochemical contamination risk and similar nitrogen use efficiency and carbon footprint. In on-farm trials, the alternative management practices increased yield beyond that of high-yielding farmers by up to 7% in small plots (8 site-years) and 15% in field-scale comparisons (6 site-years), yet an ex post assessment of environmental indicators shows significant decline of resource use efficiencies and increased carbon footprint. Thus, yield gains were not able to compensate for increased environmental footprint, highlighting the challenge of advancing the dual goals of SI in production systems nearing the yield ceiling. This study provides a simple but powerful framework for advancing SI in mainstream cereal production systems based on cost-effective modifications to existing agronomic experiments. MenosNew research frameworks that simultaneously address production and environmental goals are required to identify promising sustainable intensification options in high-yielding cereal systems. Here we estimated potential changes in environmental footprint associated with crop management practices aimed at breaking the yield ceiling for rice production in Uruguay. Results from a regional survey were combined with field experiments to integrate impacts on productivity and sustainability at two different intensification levels (average-yielding and high-yielding). Survey results indicate that high-yielding farmers produced 14% more grain compare to the regional average (7900 kg ha−1), with 25% to 99% lower agrochemical contamination risk and similar nitrogen use efficiency and carbon footprint. In on-farm trials, the alternative management practices increased yield beyond that of high-yielding farmers by up to 7% in small plots (8 site-years) and 15% in field-scale comparisons (6 site-years), yet an ex post assessment of environmental indicators shows significant decline of resource use efficiencies and increased carbon footprint. Thus, yield gains were not able to compensate for increased environmental footprint, highlighting the challenge of advancing the dual goals of SI in production systems nearing the yield ceiling. This study provides a simple but powerful framework for advancing SI in mainstream cereal production systems based on cost-effective modificat... Presentar Todo |
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Palabras claves : |
AGROECOLOGY; ENVIRONMENTAL IMPACT; RICE; URUGUAY. |
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NAL Tesauro : |
ARROZ. |
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Asunto categoría : |
A50 Investigación agraria |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/14473/1/Meng-Chun-paper-one-2020.pdf
https://www.nature.com/articles/s41598-020-63251-w.pdf
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Marc : |
LEADER 02446naa a2200277 a 4500
001 1061132
005 2020-06-19
008 2020 bl uuuu u00u1 u #d
024 7 $a10.1038/s41598-020-63251-w$2DOI
100 1 $aTSENG, M.
245 $aTowards actionable research frameworks for sustainable intensification in high-yielding rice systems.$h[electronic resource]
260 $c2020
500 $aOPEN ACCESS. Article history: Received 07 April 2019 // Accepted 23 March 2020 // Published 19 June 2020.
520 $aNew research frameworks that simultaneously address production and environmental goals are required to identify promising sustainable intensification options in high-yielding cereal systems. Here we estimated potential changes in environmental footprint associated with crop management practices aimed at breaking the yield ceiling for rice production in Uruguay. Results from a regional survey were combined with field experiments to integrate impacts on productivity and sustainability at two different intensification levels (average-yielding and high-yielding). Survey results indicate that high-yielding farmers produced 14% more grain compare to the regional average (7900 kg ha−1), with 25% to 99% lower agrochemical contamination risk and similar nitrogen use efficiency and carbon footprint. In on-farm trials, the alternative management practices increased yield beyond that of high-yielding farmers by up to 7% in small plots (8 site-years) and 15% in field-scale comparisons (6 site-years), yet an ex post assessment of environmental indicators shows significant decline of resource use efficiencies and increased carbon footprint. Thus, yield gains were not able to compensate for increased environmental footprint, highlighting the challenge of advancing the dual goals of SI in production systems nearing the yield ceiling. This study provides a simple but powerful framework for advancing SI in mainstream cereal production systems based on cost-effective modifications to existing agronomic experiments.
650 $aARROZ
653 $aAGROECOLOGY
653 $aENVIRONMENTAL IMPACT
653 $aRICE
653 $aURUGUAY
700 1 $aROEL, A.
700 1 $aDEAMBROSI, E.
700 1 $aTERRA, J.A.
700 1 $aZORRILLA DE SAN MARTÍN, G.
700 1 $aRICCETTO, S.
700 1 $aPITTELKOW, C.M.
773 $tScientific Reports, 2020, 9975. https://doi.org/10.1038/s41598-020-63251-w
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