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| 66. |  | RUSSO, M.; ELICHALT, M.; VÁZQUEZ, D.; SUBURÚ, G.; SUBURÚ, G.; GILARDI, V.; ALMANDOS, V.; TIHISTA, H.; GODIÑO, M. Composición nutricional de productos elaborados en base a trigo en Uruguay. [Poster]. In: German, S.; Quincke, M.; Vázquez, D.; Castro, M.; Pereyra, S.; Silva, P.; García, A. (Eds.). Seminario Internacional "1914-2014: Un siglo de mejoramiento de trigo en La Estanzuela". Montevideo (UY): INIA, 2018. p. 259. (INIA Serie Técnica; 241).| Biblioteca(s): INIA La Estanzuela. |
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| 67. | | LUIZZI, D.; ABADIE, T.; GATTI, I.; QUINCKE, M.; CONDON, F.; PEREYRA, S.; VÁZQUEZ, D.; DÍAZ DE ACKERMANN, M.; GERMAN, S. Consideraciones finales. Capítulo 7. In: GERMAN, S.; LUIZZI, D. (Ed.). 100 años de mejoramiento de trigo en INIA La Estanzuela. Montevideo (UY): INIA, 2018. p. 68-72.| Biblioteca(s): INIA La Estanzuela. |
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| 69. | | RUSSO, M.; VÁZQUEZ, D. Caracterización nutricional y en compuestos bioactivos de trigo en Uruguay: variabilidad en genotipos y ambiente. [Poster]. In: German, S.; Quincke, M.; Vázquez, D.; Castro, M.; Pereyra, S.; Silva, P.; García, A. (Eds.). Seminario Internacional "1914-2014: Un siglo de mejoramiento de trigo en La Estanzuela". Montevideo (UY): INIA, 2018. p. 258. (INIA Serie Técnica; 241).| Biblioteca(s): INIA La Estanzuela. |
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| 73. | | CASTRO, M.; VÁZQUEZ, D.; MORALES, M.; CASTRO, B. 4. Resultados experimentales. In: Resultados experimentales de la evaluación nacional de cultivares de trigo calidad industrial: período 2017. La Estanzuela (UY): INIA; INASE, 2018. p. 11-36. Editado por el Equipo de Evaluación de Cultivares. Impreso por Unidad de Comunicación y Transferencia de Tecnología, INIA La Estanzuela. Convenio INASE-INIA.| Biblioteca(s): INIA La Estanzuela. |
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| 80. | | CONDON, F.; BERRETTA, A.; QUINCKE, M.; GERMAN, S.; GONZÁLEZ, S.N. Colección de recursos genéticos de trigo en el banco de germoplasma de INIA La Estanzuela. [Poster]. In: German, S.; Quincke, M.; Vázquez, D.; Castro, M.; Pereyra, S.; Silva, P.; García, A. (Eds.). Seminario Internacional "1914-2014: Un siglo de mejoramiento de trigo en La Estanzuela". Montevideo (UY): INIA, 2018. p. 68. (INIA Serie Técnica; 241).| Biblioteca(s): INIA La Estanzuela. |
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 | Acceso al texto completo restringido a Biblioteca INIA La Estanzuela. Por información adicional contacte bib_le@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
06/06/2019 |
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Actualizado : |
12/06/2019 |
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Tipo de producción científica : |
Poster |
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Autor : |
BARAIBAR, S.; SILVA, P.; PRITSCH, C.; RAFFO, M.A.; PEREYRA, S.; GERMAN, S. |
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Afiliación : |
SILVINA BARAIBAR PEDERSEN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA PAULA SILVA VILLELLA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CLARA PRITSCH; MIGUEL ANGEL RAFFO BUSCO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SILVIA ANTONIA PEREYRA CORREA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SILVIA ELISA GERMAN FAEDO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Development of adapted wheat lines resistant to Ug99+ with combinations of Sr26, Sr32 and Sr39. [Poster]. |
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Fecha de publicación : |
2018 |
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Fuente / Imprenta : |
In: Proceedings of the Borlaug Global Rust Initiative Technical Workshop ,14-18 April, 2018, Marrakesh, Marruecos. |
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Idioma : |
Inglés |
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Contenido : |
Abstracts:Wheat stem rust (SR), caused by Puccinia graminis f. sp. tritici, (Pgt) is considered one of the most destructive diseases of the wheat crop. As Sr24 and Sr31 are the most widely used resistance genes in the Southern Cone of America, wheat crops in this region is under threat of SR outbreaks posed by the potential migration of virulent Pgt Ug99-lineage races (Ug99+). Efforts have to be made to develop adapted lines resistant to Ug99+. Genes Sr26, Sr32 and Sr39 are effective to both Ug99+ and local races of the pathogen. This work is aimed to pyramid two and three of the resistance genes in two locally adapted wheat cultivars (G?nesis 2375 and G?nesis 6.87). Donor lines of Sr26, Sr32 and Sr39 (developed by I. Dundas, University of Adelaide, Australia) and molecular markers Sr26#43, csSr32#1 and Sr39#22r (developed by R. Mago et al., University of Adelaide) were used. Lines with two-gene combinations were developed in two steps. First, tree-way crosses were made by crossing heterozygous F1 plants (derived from crossings donor lines) to either one of the two adapted wheat cultivars. Subsequently, tree-way F1 plants were genotyped and only those with two-gene combinations were backcrossed (BC) twice to the adapted cultivars. Among three-way F1 plants, two-genes combinations were confirmed for Sr26+Sr32 (8 out of 31), Sr26+Sr39 (2 of 115) and Sr32+Sr39 (26 out of 103). In the BC1F1 generation, Sr26+Sr32, Sr26+Sr39 and Sr32+Sr39 combinations corresponded with 9, 9 and 45 out of 99, 27 and 241 plants, respectively. In 2017, 1345 BC2F1 plants are being grown to obtain BC2F2. We plan to intercross plants with two-gene combinations to obtain lines with the three genes which will be used as sources of resistance to develop cultivars with presumably longer lasting resistance to wheat SR. MenosAbstracts:Wheat stem rust (SR), caused by Puccinia graminis f. sp. tritici, (Pgt) is considered one of the most destructive diseases of the wheat crop. As Sr24 and Sr31 are the most widely used resistance genes in the Southern Cone of America, wheat crops in this region is under threat of SR outbreaks posed by the potential migration of virulent Pgt Ug99-lineage races (Ug99+). Efforts have to be made to develop adapted lines resistant to Ug99+. Genes Sr26, Sr32 and Sr39 are effective to both Ug99+ and local races of the pathogen. This work is aimed to pyramid two and three of the resistance genes in two locally adapted wheat cultivars (G?nesis 2375 and G?nesis 6.87). Donor lines of Sr26, Sr32 and Sr39 (developed by I. Dundas, University of Adelaide, Australia) and molecular markers Sr26#43, csSr32#1 and Sr39#22r (developed by R. Mago et al., University of Adelaide) were used. Lines with two-gene combinations were developed in two steps. First, tree-way crosses were made by crossing heterozygous F1 plants (derived from crossings donor lines) to either one of the two adapted wheat cultivars. Subsequently, tree-way F1 plants were genotyped and only those with two-gene combinations were backcrossed (BC) twice to the adapted cultivars. Among three-way F1 plants, two-genes combinations were confirmed for Sr26+Sr32 (8 out of 31), Sr26+Sr39 (2 of 115) and Sr32+Sr39 (26 out of 103). In the BC1F1 generation, Sr26+Sr32, Sr26+Sr39 and Sr32+Sr39 combinations corresponded with 9, 9 and 45... Presentar Todo |
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Palabras claves : |
PUCCINIA GRAMINIS; STEM RUST; WHEAT; WHEAT GENETIC RESISTANCE. |
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Thesagro : |
FITOMEJORAMIENTO; TRIGO. |
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Asunto categoría : |
H20 Enfermedades de las plantas |
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Marc : |
LEADER 02581nam a2200241 a 4500
001 1059830
005 2019-06-12
008 2018 bl uuuu u00u1 u #d
100 1 $aBARAIBAR, S.
245 $aDevelopment of adapted wheat lines resistant to Ug99+ with combinations of Sr26, Sr32 and Sr39. [Poster].$h[electronic resource]
260 $aIn: Proceedings of the Borlaug Global Rust Initiative Technical Workshop ,14-18 April, 2018, Marrakesh, Marruecos.$c2018
520 $aAbstracts:Wheat stem rust (SR), caused by Puccinia graminis f. sp. tritici, (Pgt) is considered one of the most destructive diseases of the wheat crop. As Sr24 and Sr31 are the most widely used resistance genes in the Southern Cone of America, wheat crops in this region is under threat of SR outbreaks posed by the potential migration of virulent Pgt Ug99-lineage races (Ug99+). Efforts have to be made to develop adapted lines resistant to Ug99+. Genes Sr26, Sr32 and Sr39 are effective to both Ug99+ and local races of the pathogen. This work is aimed to pyramid two and three of the resistance genes in two locally adapted wheat cultivars (G?nesis 2375 and G?nesis 6.87). Donor lines of Sr26, Sr32 and Sr39 (developed by I. Dundas, University of Adelaide, Australia) and molecular markers Sr26#43, csSr32#1 and Sr39#22r (developed by R. Mago et al., University of Adelaide) were used. Lines with two-gene combinations were developed in two steps. First, tree-way crosses were made by crossing heterozygous F1 plants (derived from crossings donor lines) to either one of the two adapted wheat cultivars. Subsequently, tree-way F1 plants were genotyped and only those with two-gene combinations were backcrossed (BC) twice to the adapted cultivars. Among three-way F1 plants, two-genes combinations were confirmed for Sr26+Sr32 (8 out of 31), Sr26+Sr39 (2 of 115) and Sr32+Sr39 (26 out of 103). In the BC1F1 generation, Sr26+Sr32, Sr26+Sr39 and Sr32+Sr39 combinations corresponded with 9, 9 and 45 out of 99, 27 and 241 plants, respectively. In 2017, 1345 BC2F1 plants are being grown to obtain BC2F2. We plan to intercross plants with two-gene combinations to obtain lines with the three genes which will be used as sources of resistance to develop cultivars with presumably longer lasting resistance to wheat SR.
650 $aFITOMEJORAMIENTO
650 $aTRIGO
653 $aPUCCINIA GRAMINIS
653 $aSTEM RUST
653 $aWHEAT
653 $aWHEAT GENETIC RESISTANCE
700 1 $aSILVA, P.
700 1 $aPRITSCH, C.
700 1 $aRAFFO, M.A.
700 1 $aPEREYRA, S.
700 1 $aGERMAN, S.
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