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 | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha : |
27/04/2020 |
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Actualizado : |
08/02/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
DIEZ VIGNOLA, M.; SAINZ, M.; SALDAIN, N.E.; MARCHESI, C.; BONNECARRERE, V.; DÍAZ GADEA, P. |
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Afiliación : |
MANUEL DIEZ VIGNOLA, Facultad de Agronomía, UDELAR UY.; MARTHA SAINZ, Facultad de Agronomía, UDELAR UY.; NÉSTOR ELIO SALDAIN CROCCE, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; CLAUDIA ELIZABETH MARCHESI GYERMAN, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA VICTORIA BONNECARRERE MARTINEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; PEDRO DÍAZ GADEA, Facultad de Agronomía, UDELAR UY. |
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Título : |
Limited induction of ethylene and cyanide synthesis are observed in quinclorac-resistant barnyardgrass (Echinochloa crus-galli) in Uruguay. |
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Fecha de publicación : |
2020 |
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Fuente / Imprenta : |
Weed Science, 1 July 2020, Volume 68, Issue 4, Pages 348-357. Doi: https://doi.org/10.1017/wsc.2020.32 |
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DOI : |
https://doi.org/10.1017/wsc.2020.32 |
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Idioma : |
Inglés |
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Notas : |
Article history: Article accepted and Published online by Cambridge University Press: 28 April 2020 |
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Contenido : |
Abstract: Barnyardgrass [Echinochloa crus-galli (L.) P. Beauv] is the foremost weed in rice (Oryza sativa L.) systems and its control is crucial to successful rice production. Quinclorac, a synthetic auxin herbicide, has been used effectively to manage E. crus-galli. However, the occurrence of quinclorac-resistant genotypes are frequently reported, and its resistance evolution has questioned the continued utility of quinclorac for grass control. Identification of the resistance mechanism(s) of resistant genotypes will facilitate development of integrated weed management strategies that sustain quinclorac use for management of E. crus-galli. We evaluated the responses to quinclorac of two contrasting genotypes: E7 (resistant, R) and LM04 (susceptible, S). Quinclorac induced ethylene and cyanide biosynthesis in the S-genotype. Both genotypes responded similarly to an increasing application of exogenous 1-carboxylic acid aminocyclopropane (ACC) and potassium cyanide (KCN), and their growth was inhibited at higher doses. The key mechanism for cyanide (HCN) detoxification in plants, β-cyanoalanine synthase (β-CAS) activity, was evaluated in both genotypes, and no significant difference was observed in the basal activity. However, quinclorac significantly induced β-CAS-like activity in the S-genotype, which is consistent with the increased synthesis of ethylene and cyanide. This work suggests that the resistance to quinclorac of the E7 R-genotype is likely related to an alteration in the auxin signal transduction pathway, causing a lower stimulation of ACC synthase and, therefore, limited synthesis of ethylene and HCN after quinclorac treatment. MenosAbstract: Barnyardgrass [Echinochloa crus-galli (L.) P. Beauv] is the foremost weed in rice (Oryza sativa L.) systems and its control is crucial to successful rice production. Quinclorac, a synthetic auxin herbicide, has been used effectively to manage E. crus-galli. However, the occurrence of quinclorac-resistant genotypes are frequently reported, and its resistance evolution has questioned the continued utility of quinclorac for grass control. Identification of the resistance mechanism(s) of resistant genotypes will facilitate development of integrated weed management strategies that sustain quinclorac use for management of E. crus-galli. We evaluated the responses to quinclorac of two contrasting genotypes: E7 (resistant, R) and LM04 (susceptible, S). Quinclorac induced ethylene and cyanide biosynthesis in the S-genotype. Both genotypes responded similarly to an increasing application of exogenous 1-carboxylic acid aminocyclopropane (ACC) and potassium cyanide (KCN), and their growth was inhibited at higher doses. The key mechanism for cyanide (HCN) detoxification in plants, β-cyanoalanine synthase (β-CAS) activity, was evaluated in both genotypes, and no significant difference was observed in the basal activity. However, quinclorac significantly induced β-CAS-like activity in the S-genotype, which is consistent with the increased synthesis of ethylene and cyanide. This work suggests that the resistance to quinclorac of the E7 R-genotype is likely related t... Presentar Todo |
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Palabras claves : |
?-CYANOALANINE; AUXIN HERBICIDE; BARNYARDGRASS; RECISTANCE; RICE. |
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Thesagro : |
ARROZ. |
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Asunto categoría : |
H60 Malezas y escardas |
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Marc : |
LEADER 02659naa a2200277 a 4500
001 1061037
005 2021-02-08
008 2020 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1017/wsc.2020.32$2DOI
100 1 $aDIEZ VIGNOLA, M.
245 $aLimited induction of ethylene and cyanide synthesis are observed in quinclorac-resistant barnyardgrass (Echinochloa crus-galli) in Uruguay.$h[electronic resource]
260 $c2020
500 $aArticle history: Article accepted and Published online by Cambridge University Press: 28 April 2020
520 $aAbstract: Barnyardgrass [Echinochloa crus-galli (L.) P. Beauv] is the foremost weed in rice (Oryza sativa L.) systems and its control is crucial to successful rice production. Quinclorac, a synthetic auxin herbicide, has been used effectively to manage E. crus-galli. However, the occurrence of quinclorac-resistant genotypes are frequently reported, and its resistance evolution has questioned the continued utility of quinclorac for grass control. Identification of the resistance mechanism(s) of resistant genotypes will facilitate development of integrated weed management strategies that sustain quinclorac use for management of E. crus-galli. We evaluated the responses to quinclorac of two contrasting genotypes: E7 (resistant, R) and LM04 (susceptible, S). Quinclorac induced ethylene and cyanide biosynthesis in the S-genotype. Both genotypes responded similarly to an increasing application of exogenous 1-carboxylic acid aminocyclopropane (ACC) and potassium cyanide (KCN), and their growth was inhibited at higher doses. The key mechanism for cyanide (HCN) detoxification in plants, β-cyanoalanine synthase (β-CAS) activity, was evaluated in both genotypes, and no significant difference was observed in the basal activity. However, quinclorac significantly induced β-CAS-like activity in the S-genotype, which is consistent with the increased synthesis of ethylene and cyanide. This work suggests that the resistance to quinclorac of the E7 R-genotype is likely related to an alteration in the auxin signal transduction pathway, causing a lower stimulation of ACC synthase and, therefore, limited synthesis of ethylene and HCN after quinclorac treatment.
650 $aARROZ
653 $a?-CYANOALANINE
653 $aAUXIN HERBICIDE
653 $aBARNYARDGRASS
653 $aRECISTANCE
653 $aRICE
700 1 $aSAINZ, M.
700 1 $aSALDAIN, N.E.
700 1 $aMARCHESI, C.
700 1 $aBONNECARRERE, V.
700 1 $aDÍAZ GADEA, P.
773 $tWeed Science, 1 July 2020, Volume 68, Issue 4, Pages 348-357. Doi: https://doi.org/10.1017/wsc.2020.32
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Registro original : |
INIA Treinta y Tres (TT) |
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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha actual : |
10/08/2017 |
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Actualizado : |
21/05/2018 |
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Tipo de producción científica : |
Presentaciones Orales |
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Autor : |
AACREA (ASOCIACIÓN ARGENTINA DE CONSORCIOS REGIONALES DE EXPERIMENTACIÓN AGRÍCOLA); INIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA) |
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Título : |
Jornada Cultivo de Verano "Dr. Jaime Hareau": estrategia para el éxito de una zafra clave.[sitio web]. |
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Fecha de publicación : |
2017 |
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Fuente / Imprenta : |
Mercedes, Soriano, UY: INIA, CREA, 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 : |
Jornada de Cultivos de Verano 2017, en el Teatro 28 de Febrero de la ciudad de Mercedes, Soriano. Con más de 300 personas en sala y casi 1500 espectadores vía web y TV Cable, la actividad aportó herramientas para la toma de decisiones en la próxima zafra de cultivos. Para ver los videos y Power Point de las presentaciones, puedes ingresar a: http://fucrea.org/institucional/sectoriales/agricola/cultivos-de-veranos-2017. |
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Palabras claves : |
CULTIVOS DE VERANO. |
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Thesagro : |
CULTIVO. |
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Asunto categoría : |
F01 Cultivo |
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URL : |
http://fucrea.org/institucional/sectoriales/agricola/cultivos-de-veranos-2017
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Marc : |
LEADER 01074nam a2200157 a 4500
001 1057464
005 2018-05-21
008 2017 bl uuuu u00u1 u #d
100 1 $aAACREA (ASOCIACIÓN ARGENTINA DE CONSORCIOS REGIONALES DE EXPERIMENTACIÓN AGRÍCOLA)
245 $aJornada Cultivo de Verano "Dr. Jaime Hareau"$bestrategia para el éxito de una zafra clave.[sitio web].$h[electronic resource]
260 $aMercedes, Soriano, UY: INIA, CREA$c2017
500 $aA través del sitio web puede acceder a las presentaciones.
520 $aJornada de Cultivos de Verano 2017, en el Teatro 28 de Febrero de la ciudad de Mercedes, Soriano. Con más de 300 personas en sala y casi 1500 espectadores vía web y TV Cable, la actividad aportó herramientas para la toma de decisiones en la próxima zafra de cultivos. Para ver los videos y Power Point de las presentaciones, puedes ingresar a: http://fucrea.org/institucional/sectoriales/agricola/cultivos-de-veranos-2017.
650 $aCULTIVO
653 $aCULTIVOS DE VERANO
700 1 $aINIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA)
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