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Registro completo
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Biblioteca (s) : |
INIA La Estanzuela. |
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Fecha : |
15/07/2021 |
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Actualizado : |
15/07/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
CUTTI, L.; RIGON, C.A.G.; KASPARY, T. E.; TURRA, G.M.; MARKUS, C.; MEROTTO JUNIOR, A. |
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Afiliación : |
LUAN CUTTI, Departamento de Plantas de Lavoura, Faculdade de Agronomia - UFRGS, Av. Bento Gonçalves, 7712, Porto Alegre, RS 91540-000, Brazil.; CARLOS ALBERTO GONSIORKIEWICZ RIGON, Department of Agricultural Biology, Colorado State University, Fort Collins, CO 80523, United States of America.; TIAGO EDU KASPARY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; GUILHERME MENEGOL TURRA, Departamento de Plantas de Lavoura, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazi.; CATARINE MARKUS, Departamento de Plantas de Lavoura, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil.; ALDO MEROTTO JUNIOR, Departamento de Plantas de Lavoura, Universidade Federal do Rio Grande do Sul, Porto Alegre, RS 91540-000, Brazil. |
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Título : |
Negative cross-resistance to clomazone in imazethapyr-resistant Echinochloa crus-galli caused by increased metabolization. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Pesticide Biochemistry and Physiology, July 2021, 104918. [Article in Press]. Doi: https://doi.org/10.1016/j.pestbp.2021.104918 |
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DOI : |
10.1016/j.pestbp.2021.104918 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 13 February 2021/ Revised 21 June 2021/Accepted 8 July 2021/ Available online 12 July 2021. |
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Contenido : |
Abstract:
Herbicide resistance is frequently reported in E. crus-galli globally with target and non-target site resistance mechanism to acetolactate synthase (ALS)-inhibiting herbicides. However, resistance to certain herbicides can result in increased sensitivity to other herbicides, a phenomenon called negative cross-resistance. The objective of this study is to identify the occurrence of negative cross-resistance (NCR) to the pro-herbicide clomazone in populations of E. crus-galli resistant to ALS inhibitors due to increased metabolization. Clomazone dose-response curves, with and without malathion, were performed in imazethapyr-resistant and -susceptible E. crus-galli biotypes. CYPs genes expression and antioxidant enzymes activity were also evaluated. The effective dose to reduce 50% (ED50) of dry shoot weight obtained in the clomazone dose-response curves of the metabolic based imazethapyr-resistant and -susceptible biotypes groups were 22.712 and 58.745 g ha−1, respectively, resulting in a resistance factor (RF) of 0.37, indicating the occurrence of NCR. The application of malathion prior to clomazone increased the resistance factor from 0.60 to 1.05, which indicate the reversion of the NCR. Some CYP genes evaluated were expressed in a higher level, ranging from 2.6?9.1 times according to the biotype and the gene, in the imazethapyr-resistant than in -susceptible biotypes following clomazone application. Antioxidant enzyme activity was not associated with NCR. This study is the first report of NCR directly related to the mechanism of resistance increased metabolization in plants. The occurrence of NCR to clomazone in E. crus-galli can help delay the evolution of herbicide resistance. MenosAbstract:
Herbicide resistance is frequently reported in E. crus-galli globally with target and non-target site resistance mechanism to acetolactate synthase (ALS)-inhibiting herbicides. However, resistance to certain herbicides can result in increased sensitivity to other herbicides, a phenomenon called negative cross-resistance. The objective of this study is to identify the occurrence of negative cross-resistance (NCR) to the pro-herbicide clomazone in populations of E. crus-galli resistant to ALS inhibitors due to increased metabolization. Clomazone dose-response curves, with and without malathion, were performed in imazethapyr-resistant and -susceptible E. crus-galli biotypes. CYPs genes expression and antioxidant enzymes activity were also evaluated. The effective dose to reduce 50% (ED50) of dry shoot weight obtained in the clomazone dose-response curves of the metabolic based imazethapyr-resistant and -susceptible biotypes groups were 22.712 and 58.745 g ha−1, respectively, resulting in a resistance factor (RF) of 0.37, indicating the occurrence of NCR. The application of malathion prior to clomazone increased the resistance factor from 0.60 to 1.05, which indicate the reversion of the NCR. Some CYP genes evaluated were expressed in a higher level, ranging from 2.6?9.1 times according to the biotype and the gene, in the imazethapyr-resistant than in -susceptible biotypes following clomazone application. Antioxidant enzyme activity was not associated... Presentar Todo |
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Palabras claves : |
Clomazone; CytP450 enzymes; Echinochloa crus-galli; Herbicide activation; Increased sensitivity; Non-target site resistance; Resistencia cruzada negativa (NCR); RICE. |
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Thesagro : |
ARROZ. |
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Asunto categoría : |
H60 Malezas y escardas |
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Marc : |
LEADER 02873naa a2200313 a 4500
001 1062311
005 2021-07-15
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1016/j.pestbp.2021.104918$2DOI
100 1 $aCUTTI, L.
245 $aNegative cross-resistance to clomazone in imazethapyr-resistant Echinochloa crus-galli caused by increased metabolization.$h[electronic resource]
260 $c2021
500 $aArticle history: Received 13 February 2021/ Revised 21 June 2021/Accepted 8 July 2021/ Available online 12 July 2021.
520 $aAbstract: Herbicide resistance is frequently reported in E. crus-galli globally with target and non-target site resistance mechanism to acetolactate synthase (ALS)-inhibiting herbicides. However, resistance to certain herbicides can result in increased sensitivity to other herbicides, a phenomenon called negative cross-resistance. The objective of this study is to identify the occurrence of negative cross-resistance (NCR) to the pro-herbicide clomazone in populations of E. crus-galli resistant to ALS inhibitors due to increased metabolization. Clomazone dose-response curves, with and without malathion, were performed in imazethapyr-resistant and -susceptible E. crus-galli biotypes. CYPs genes expression and antioxidant enzymes activity were also evaluated. The effective dose to reduce 50% (ED50) of dry shoot weight obtained in the clomazone dose-response curves of the metabolic based imazethapyr-resistant and -susceptible biotypes groups were 22.712 and 58.745 g ha−1, respectively, resulting in a resistance factor (RF) of 0.37, indicating the occurrence of NCR. The application of malathion prior to clomazone increased the resistance factor from 0.60 to 1.05, which indicate the reversion of the NCR. Some CYP genes evaluated were expressed in a higher level, ranging from 2.6?9.1 times according to the biotype and the gene, in the imazethapyr-resistant than in -susceptible biotypes following clomazone application. Antioxidant enzyme activity was not associated with NCR. This study is the first report of NCR directly related to the mechanism of resistance increased metabolization in plants. The occurrence of NCR to clomazone in E. crus-galli can help delay the evolution of herbicide resistance.
650 $aARROZ
653 $aClomazone
653 $aCytP450 enzymes
653 $aEchinochloa crus-galli
653 $aHerbicide activation
653 $aIncreased sensitivity
653 $aNon-target site resistance
653 $aResistencia cruzada negativa (NCR)
653 $aRICE
700 1 $aRIGON, C.A.G.
700 1 $aKASPARY, T. E.
700 1 $aTURRA, G.M.
700 1 $aMARKUS, C.
700 1 $aMEROTTO JUNIOR, A.
773 $tPesticide Biochemistry and Physiology, July 2021, 104918. [Article in Press]. Doi: https://doi.org/10.1016/j.pestbp.2021.104918
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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; INIA Treinta y Tres. |
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Fecha actual : |
12/09/2014 |
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Actualizado : |
17/09/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
A - 2 |
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Autor : |
SPHOR, L.; BANCHERO, G.; CORREA, G.; OSORIO, M.T.M.; QUINTANS, G. |
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Afiliación : |
BANCHERO HUNZIKER, GEORGGET, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay; QUINTANS ILARIA, GRACIELA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Early prepartum shearing increases milk production of wool sheep and the weight of the lambs at birth and weaning. |
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Fecha de publicación : |
2011 |
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Fuente / Imprenta : |
Small Ruminant Research, v. 99, p. 44-47, 2011. |
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ISSN : |
0921-4488 |
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DOI : |
10.1016/j.smallrumres.2011.03.007. |
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Idioma : |
Inglés |
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Notas : |
Article history: received 6 November 2010; received in revised form 18 February 2011; accepted 3 March 2011; available online 13 April 2011. |
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Contenido : |
Abstract:
The use of mid prepartum shearing has been described as a possible tool to increase the weight of the lambs at birth and at weaning. The effect of prepartum shearing (53 days of gestation) on production and chemical composition of milk, weight of the lambs at birth and weaning and growth rate were evaluated in this trial. Twenty Polwarth ewes were inseminated with rams of the same breed in May (autumn), 2009. All ewes bore singletons and were maintained together under cultivated grazing conditions, during the experimental period. The ewes were allocated to two treatments groups, based on expected day of parturition, body weight and BCS of the dams. Ten ewes were shorn at 53 days of gestation (S53) and 10 ewes were kept unshorn during gestation (US). Milking of the ewes was recorded 7 days after parturition, and this was repeated weekly for 15 weeks. Milk production of the S53 ewes was 22.2% higher (P < 0.05), when compared to US control ewes –
with no change in the milk composition. At lambing, the lambs born to the S53 ewes were 1.41 kg (P < 0.05), and at weaning 4.5 kg heavier (P < 0.05), than lambs born to US ewes. In conclusion, it can be said that the higher weaning weight of the S53 lambs was the result of both a higher birth weight and an increased growth rate up to weaning in part, due to an improved milk production of the ewes. |
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Palabras claves : |
BIRTH WEIGHT; CHEMICAL COMPOSITION; COMPOSICIÓN DE LA LECHE; ESQUILA PREPARTO TEMPRANA; MILK PRODUCTION; PESO AL DESTETE; PESO AL NACER; SECRECIÓN DE LECHE; SEGUIMIENTO DE LA PREÑEZ EN OVEJA; SEGUIMIENTO POSPARTO EN OVEJA; SHEARING; SUPERVIVENCIA DE CORDEROS. |
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Thesagro : |
COMPOSICION QUIMICA; CORDEROS; OVEJAS; OVINOS; PRODUCCION DE LECHE; PRODUCCIÓN OVINA. |
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Asunto categoría : |
L53 Fisiología Animal - Reproducción |
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Marc : |
LEADER 02727naa a2200421 a 4500
001 1050186
005 2019-09-17
008 2011 bl uuuu u00u1 u #d
022 $a0921-4488
024 7 $a10.1016/j.smallrumres.2011.03.007.$2DOI
100 1 $aSPHOR, L.
245 $aEarly prepartum shearing increases milk production of wool sheep and the weight of the lambs at birth and weaning.
260 $c2011
500 $aArticle history: received 6 November 2010; received in revised form 18 February 2011; accepted 3 March 2011; available online 13 April 2011.
520 $aAbstract: The use of mid prepartum shearing has been described as a possible tool to increase the weight of the lambs at birth and at weaning. The effect of prepartum shearing (53 days of gestation) on production and chemical composition of milk, weight of the lambs at birth and weaning and growth rate were evaluated in this trial. Twenty Polwarth ewes were inseminated with rams of the same breed in May (autumn), 2009. All ewes bore singletons and were maintained together under cultivated grazing conditions, during the experimental period. The ewes were allocated to two treatments groups, based on expected day of parturition, body weight and BCS of the dams. Ten ewes were shorn at 53 days of gestation (S53) and 10 ewes were kept unshorn during gestation (US). Milking of the ewes was recorded 7 days after parturition, and this was repeated weekly for 15 weeks. Milk production of the S53 ewes was 22.2% higher (P < 0.05), when compared to US control ewes – with no change in the milk composition. At lambing, the lambs born to the S53 ewes were 1.41 kg (P < 0.05), and at weaning 4.5 kg heavier (P < 0.05), than lambs born to US ewes. In conclusion, it can be said that the higher weaning weight of the S53 lambs was the result of both a higher birth weight and an increased growth rate up to weaning in part, due to an improved milk production of the ewes.
650 $aCOMPOSICION QUIMICA
650 $aCORDEROS
650 $aOVEJAS
650 $aOVINOS
650 $aPRODUCCION DE LECHE
650 $aPRODUCCIÓN OVINA
653 $aBIRTH WEIGHT
653 $aCHEMICAL COMPOSITION
653 $aCOMPOSICIÓN DE LA LECHE
653 $aESQUILA PREPARTO TEMPRANA
653 $aMILK PRODUCTION
653 $aPESO AL DESTETE
653 $aPESO AL NACER
653 $aSECRECIÓN DE LECHE
653 $aSEGUIMIENTO DE LA PREÑEZ EN OVEJA
653 $aSEGUIMIENTO POSPARTO EN OVEJA
653 $aSHEARING
653 $aSUPERVIVENCIA DE CORDEROS
700 1 $aBANCHERO, G.
700 1 $aCORREA, G.
700 1 $aOSORIO, M.T.M.
700 1 $aQUINTANS, G.
773 $tSmall Ruminant Research$gv. 99, p. 44-47, 2011.
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