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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 : |
07/06/2019 |
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Actualizado : |
07/06/2019 |
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Tipo de producción científica : |
Poster |
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Autor : |
GARMENDIA, G.; PATTARINO. L.; NEGRIN, C.; MARTÍNEZ-SILVEIRA, A.; PEREYRA, S.; VERO, S.; WARD, T.J |
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Afiliación : |
GABRIELA GARMENDIA, Universidad de la República, Facultad de Química, Montevideo, Uruguay.; LUCIA PATTARINO, Universidad de la República, Facultad de Química, Montevideo, Uruguay.; CAMILA NEGRIN TORRES, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ADALGISA MARTÍNEZ SILVEIRA, Universidad de la República, Facultad de Química, Montevideo, Uruguay.; SILVIA ANTONIA PEREYRA CORREA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SILVANA VERO, Universidad de la República, Facultad de Química, Montevideo, Uruguay.; TODD J. WARD, United States Department of Agriculture, Agricultural Research Service, Peoria, IL, USA. |
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Título : |
Species composition, toxigenic potential and aggressiveness of Fusarium isolates causing Head Blight of barley in Uruguay.[Poster]. |
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Fecha de publicación : |
2018 |
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Fuente / Imprenta : |
In: Proceedings of the Fusarium head blight Forum, December 2-4, 2018, Regency St. Louis at the Arch St. Louis, Missouri, USA. |
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Páginas : |
p. 84. |
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Idioma : |
Inglés |
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Contenido : |
ABSTRACT:Fusarium Head Blight (FHB) represents one of the major constraints for barley production in Uruguay and significantly decreases grain yield and quality. FHB is also a major food safety concern because causal agents contaminate grains with trichothecenes and other mycotoxins. DNA sequence-based analyses and in-vitro toxin assessments were used to characterize species and trichothecene chemotype composition of FHB pathogens on barley grains in Uruguay. Fusarium graminearum was the dominant species (89.7%), and three other members of the F. graminearum species complex (FGSC) were identified
as FHB pathogens of barley in Uruguay for the first time. Other minor FHB species included F. poae,F. avenaceum, F. pseudograminearum and an unnamed species of the F. incarnatum-equiseti species complex (FIESC). Most isolates (89.7%) had the 15-acetyldeoxynivalenol (15-ADON) trichothecene
type. Yet, results from this study expanded the known area of occurrence within Uruguay for the nivalenol (NIV) toxin type, which was observed among isolates from three species of the FGSC, F. pseudograminearum, and F. poae. Isolates with the 3-acetyldeoxynivalenol (3-ADON) or NX-2 toxin types were not observed, although a previously published multilocus genotyping assay was updated to identify NX-2 strains. Analyses of population structure and comparisons with FHB isolates from wheat in Uruguay indicated that F. graminearum constitutes a single genetic population with no evidence of population differentiation related to the sampled hosts. Inter and intraspecific differences were observed in aggressiveness toward four barley genotypes with different levels of resistance to FHB, and in general nivalenol producers were the least aggressive isolates. Sensitivity to metconazole was approximately
10 times higher than the one detected for tebuconazole. This is the first report regarding tebuconazole
and metconazole sensitivity for Fusarium species causing FHB in barley in Uruguay and establishes
an important starting point for monitoring temporal or spatial changes in FGSC sensitivity, which is
critical to define FHB management practices. MenosABSTRACT:Fusarium Head Blight (FHB) represents one of the major constraints for barley production in Uruguay and significantly decreases grain yield and quality. FHB is also a major food safety concern because causal agents contaminate grains with trichothecenes and other mycotoxins. DNA sequence-based analyses and in-vitro toxin assessments were used to characterize species and trichothecene chemotype composition of FHB pathogens on barley grains in Uruguay. Fusarium graminearum was the dominant species (89.7%), and three other members of the F. graminearum species complex (FGSC) were identified
as FHB pathogens of barley in Uruguay for the first time. Other minor FHB species included F. poae,F. avenaceum, F. pseudograminearum and an unnamed species of the F. incarnatum-equiseti species complex (FIESC). Most isolates (89.7%) had the 15-acetyldeoxynivalenol (15-ADON) trichothecene
type. Yet, results from this study expanded the known area of occurrence within Uruguay for the nivalenol (NIV) toxin type, which was observed among isolates from three species of the FGSC, F. pseudograminearum, and F. poae. Isolates with the 3-acetyldeoxynivalenol (3-ADON) or NX-2 toxin types were not observed, although a previously published multilocus genotyping assay was updated to identify NX-2 strains. Analyses of population structure and comparisons with FHB isolates from wheat in Uruguay indicated that F. graminearum constitutes a single genetic population with no evidence of population dif... Presentar Todo |
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Palabras claves : |
BARLEY; FUSARIUM HEAD BLIGHT(FHB); TIZÓN DE LA CABEZA. |
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Thesagro : |
CEBADA; MICOTOXINAS. |
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Asunto categoría : |
H20 Enfermedades de las plantas |
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Marc : |
LEADER 02985nam a2200253 a 4500
001 1059832
005 2019-06-07
008 2018 bl uuuu u00u1 u #d
100 1 $aGARMENDIA, G.
245 $aSpecies composition, toxigenic potential and aggressiveness of Fusarium isolates causing Head Blight of barley in Uruguay.[Poster].$h[electronic resource]
260 $aIn: Proceedings of the Fusarium head blight Forum, December 2-4, 2018, Regency St. Louis at the Arch St. Louis, Missouri, USA.$c2018
300 $ap. 84.
520 $aABSTRACT:Fusarium Head Blight (FHB) represents one of the major constraints for barley production in Uruguay and significantly decreases grain yield and quality. FHB is also a major food safety concern because causal agents contaminate grains with trichothecenes and other mycotoxins. DNA sequence-based analyses and in-vitro toxin assessments were used to characterize species and trichothecene chemotype composition of FHB pathogens on barley grains in Uruguay. Fusarium graminearum was the dominant species (89.7%), and three other members of the F. graminearum species complex (FGSC) were identified as FHB pathogens of barley in Uruguay for the first time. Other minor FHB species included F. poae,F. avenaceum, F. pseudograminearum and an unnamed species of the F. incarnatum-equiseti species complex (FIESC). Most isolates (89.7%) had the 15-acetyldeoxynivalenol (15-ADON) trichothecene type. Yet, results from this study expanded the known area of occurrence within Uruguay for the nivalenol (NIV) toxin type, which was observed among isolates from three species of the FGSC, F. pseudograminearum, and F. poae. Isolates with the 3-acetyldeoxynivalenol (3-ADON) or NX-2 toxin types were not observed, although a previously published multilocus genotyping assay was updated to identify NX-2 strains. Analyses of population structure and comparisons with FHB isolates from wheat in Uruguay indicated that F. graminearum constitutes a single genetic population with no evidence of population differentiation related to the sampled hosts. Inter and intraspecific differences were observed in aggressiveness toward four barley genotypes with different levels of resistance to FHB, and in general nivalenol producers were the least aggressive isolates. Sensitivity to metconazole was approximately 10 times higher than the one detected for tebuconazole. This is the first report regarding tebuconazole and metconazole sensitivity for Fusarium species causing FHB in barley in Uruguay and establishes an important starting point for monitoring temporal or spatial changes in FGSC sensitivity, which is critical to define FHB management practices.
650 $aCEBADA
650 $aMICOTOXINAS
653 $aBARLEY
653 $aFUSARIUM HEAD BLIGHT(FHB)
653 $aTIZÓN DE LA CABEZA
700 1 $aPATTARINO. L.
700 1 $aNEGRIN, C.
700 1 $aMARTÍNEZ-SILVEIRA, A.
700 1 $aPEREYRA, S.
700 1 $aVERO, S.
700 1 $aWARD, T.J
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Registro original : |
INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
02/06/2017 |
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Actualizado : |
21/05/2018 |
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Tipo de producción científica : |
Presentaciones Orales |
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Autor : |
INIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA); AACREA (ASOCIACIÓN ARGENTINA DE CONSORCIOS REGIONALES DE EXPERIMENTACIÓN AGRÍCOLA); PROGRAMA NACIONAL CULTIVOS DE SECANO |
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Afiliación : |
PROGRAMA NACIONAL DE INVESTIGACIÓN CULTIVOS DE SECANO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Jornada Cultivos de Invierno: Integrando conocimiento para más y mejor producción. [sitio web]. |
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Fecha de publicación : |
2017 |
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Fuente / Imprenta : |
Mercedes, Soriano, UY: INIA, CREA, Mesas de Cebada Cervecera ; Mesa Nacional de Trigo, 2017. |
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Idioma : |
Español |
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Notas : |
A través del sitio web puede acceder a las presentaciones. |
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Contenido : |
Programa:
1. ¿Cuál ha sido el comportamiento de predios CREA en cuanto a su balance e C, erosión y emisiones de N20? Ing. Sebastián Mazzilli.
2. ¿Qué resultados obtuvimos y qué aprendimos para trigo y cebada? Ing. Magdalena Platero.
3. Manejo del Nitrógeno para alto rendimiento y calidad. Ing. Andrés Berger-INIA, Ing. Esteban Hoffman, UDELAR.
4. Ajustes en el manejo de enfermedades foliares en cebada. Ing. Silvia Pereyra.
5. Calidad: El camino a seguir en trigo. ¿Cómo lograrla? Quim. Daniel Vázquez.
6. Resultados y proyecciones económicas para la zafra. Ing. Gonzalo Invernizzi.
El pasado 27/4 se desarrolló en Mercedes la Jornada Anual de Cultivos de Invierno, actividad organizada en conjunto por INIA-CREA , la Mesas de Cebada Cervecera y la Mesa Nacional de Trigo. La Jornada fue éxito, con un marco presencial de 250 personas y más de 800 personas viendo la transmisión en vivo. |
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Thesagro : |
CEBADA; CULTIVOS DE INVIERNO; ENFERMEDADES FOLIARES; HORDEUM VULGARE; RENDIMIENTO DE LOS CULTIVOS; TRIGO; TRITICUM AESTIVUM. |
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Asunto categoría : |
F01 Cultivo |
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URL : |
http://www.inia.uy/estaciones-experimentales/direcciones-regionales/inia-la-estanzuela/jornada-de-cultivos-de-invierno-inia-crea
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Marc : |
LEADER 01832nam a2200229 a 4500
001 1057238
005 2018-05-21
008 2017 bl uuuu u00u1 u #d
100 1 $aINIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA)
245 $aJornada Cultivos de Invierno$bIntegrando conocimiento para más y mejor producción. [sitio web].$h[electronic resource]
260 $aMercedes, Soriano, UY: INIA, CREA, Mesas de Cebada Cervecera ; Mesa Nacional de Trigo$c2017
500 $aA través del sitio web puede acceder a las presentaciones.
520 $aPrograma: 1. ¿Cuál ha sido el comportamiento de predios CREA en cuanto a su balance e C, erosión y emisiones de N20? Ing. Sebastián Mazzilli. 2. ¿Qué resultados obtuvimos y qué aprendimos para trigo y cebada? Ing. Magdalena Platero. 3. Manejo del Nitrógeno para alto rendimiento y calidad. Ing. Andrés Berger-INIA, Ing. Esteban Hoffman, UDELAR. 4. Ajustes en el manejo de enfermedades foliares en cebada. Ing. Silvia Pereyra. 5. Calidad: El camino a seguir en trigo. ¿Cómo lograrla? Quim. Daniel Vázquez. 6. Resultados y proyecciones económicas para la zafra. Ing. Gonzalo Invernizzi. El pasado 27/4 se desarrolló en Mercedes la Jornada Anual de Cultivos de Invierno, actividad organizada en conjunto por INIA-CREA , la Mesas de Cebada Cervecera y la Mesa Nacional de Trigo. La Jornada fue éxito, con un marco presencial de 250 personas y más de 800 personas viendo la transmisión en vivo.
650 $aCEBADA
650 $aCULTIVOS DE INVIERNO
650 $aENFERMEDADES FOLIARES
650 $aHORDEUM VULGARE
650 $aRENDIMIENTO DE LOS CULTIVOS
650 $aTRIGO
650 $aTRITICUM AESTIVUM
700 1 $aAACREA (ASOCIACIÓN ARGENTINA DE CONSORCIOS REGIONALES DE EXPERIMENTACIÓN AGRÍCOLA)
700 1 $aPROGRAMA NACIONAL CULTIVOS DE SECANO
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