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| 103. |  | IRIGOYEN, A.; ALTIER, N.; FORMOSO, D.; LAGE, M. Efecto de los promotores biológicos cepa UP61 de Pseudomonas fluorescens y EM (Microorgenismos Efectivos) en la implantación del cultivo de alfalfa (Medicago sativa L.): TCB 012, AT1 024. In: REUNIÓN LATINOAMERICANA DE RIZOBIOLOGÍA, 25.,; CONGRESO NACIONAL DE MICROORGANISMOS PROMOTORES DEL CRECIMIENTO VEGETAL, 1.; TALLER URUGUAYO DE AGENTES MICROBIANOS DE CONTROL BIOLÓGICO, 3., 2011, Piriápolis, Maldonado, UY. 50 [i.e. cincuenta] años de investigación en inoculantes como estrategia de desarrollo sostenible (1960-2011); libro de resúmenes: sesión de posters. [s.l.]: ALAR, 2011. p. 18, 73.| Biblioteca(s): INIA La Estanzuela. |
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| 104. | | DO CANTO, J.; REAL, D.; REYNO, R.; ALTIER, N. Evaluación de clones de Paspalum notatum en distintos ambientes: producción de forraje y semillas, y reacción frente Claviceps paspali / Evaluation of Paspalum notatum clones in different environments: forage and seed production, and tolerance to Claviceps paspali. [Poster] + [Resumen]. In: JORNADAS DE MEJORAMIENTO GENÉTICO DE FORRAJERAS, 2010, Lavallol, Buenos Aires, AR. [Actas]. [Lavallol, AR: UNLP. Instituto Fitotécnico de Santa Catalina], 2010.| Biblioteca(s): INIA Tacuarembó. |
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| 105. | | CONDE, P.; PEREYRA, S.; PEREZ, C.; ALTIER, N. Glyphosate effects on the growth and microbial interaction of Fusarium spp. and Trichoderma spp. In: INTERNATIONAL SOIL TILLAGE RESEARCH ORGANIZATION. 19., SOCIEDAD URUGUAYA DE CIENCIA DEL SUELO, 4., 2012, Montevideo, UY. [Presentation]: 188. Montevideo, UY: ISTRO, 2012. 8 p. 1 CD-ROM. Acceso al texto completo presionando botón "open file" en resumen.| Biblioteca(s): INIA La Estanzuela. |
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| 106. | | SESSA, L.; PEDRINI, N.; ALTIER, N.; ABREO, E. Hidrocarburos epicuticulares de Piezodorus guildinii: efecto de los insecticidas y uso de n-pentadecano para aumentar la virulencia de cepas de Beauveria bassiana. In: Sociedad Uruguaya de Fitopatología Jornada Uruguaya de Fitopatología, 6., Jornada Uruguaya de Protección Vegetal, 4., 21-22 octubre, 2021, Montevideo, Uruguay. Libro de resúmenes. Montevideo (UY): Sociedad Uruguay de Fitopatología (SUFIT), 2021. p. 70 Fianciamiento: INIA-ANII-PICT.| Biblioteca(s): INIA Treinta y Tres. |
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| 108. | | REBUFFO, M.; PEREYRA, S.; ALTIER, N.; DÍAZ DE ACKERMANN, M. Mejoramiento genetico de avenas forrajeras In: RISSO, D.; BERRETTA, E.J.; MORON, A. (Eds.). Producción y manejo de pasturas. Seminario técnico, 17-19 octubre 1995, INIA Tacuarembó. Montevideo (Uruguay): INIA, 1996. p141-143 (INIA Serie Técnica; 80)| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 114. | | YANES, M.L.; BRAGA, L.; ALTIER, N.; ARIAS, A. Impacto de la inoculación de la cepa promotora del crecimiento vegetal Pseudomonas fluorescens alfaC119 en la implantación de la alfalfa: TCB 005 In: REUNIÓN LATINOAMERICANA DE RIZOBIOLOGÍA, 25.,; CONGRESO NACIONAL DE MICROORGANISMOS PROMOTORES DEL CRECIMIENTO VEGETAL, 1., 2011, Piriápolis, Maldonado, UY. 50 [i.e. cincuenta] años de investigación en inoculantes como estrategia de desarrollo sostenible (1960-2011); libro de resúmenes: sesión de posters. [s.l.]: ALAR, 2011. p. 16.| Biblioteca(s): INIA La Estanzuela. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
22/05/2023 |
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Actualizado : |
24/05/2023 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Nacionales |
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Circulación / Nivel : |
Nacional - -- |
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Autor : |
YANES, M.L.; FERNÁNDEZ, A.; ARIAS, A.; ALTIER, N. |
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Afiliación : |
M. L. YANES, Instituto de Investigaciones Biológica Clemente Estable, Laboratorio de Ecología Microbiana, Montevideo, Uruguay; ALFREDO JOSÉ FERNÁNDEZ TECHERA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; A. ARIAS, Instituto de Investigaciones Biológica Clemente Estable, Laboratorio de Ecología Microbiana, Montevideo, Uruguay; NORA ADRIANA ALTIER MANZINI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Method to evaluate disease supression against Pythium debaryanum and alfalfa growth promotion by fluorescent Pseudomonas. [Método para evaluar protección contra Pythium debaryanum y promoción del crecimiento de alfalfa por Pseudomonas fluorescentes]. [Special Issue 25 Years Agrociencia]. |
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Complemento del título : |
Plant Biology. |
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Fecha de publicación : |
2022 |
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Fuente / Imprenta : |
Agrociencia Uruguay, 2022, vol. 26, NE2, e1087. doi: https://doi.org/10.31285/AGRO.26.1087 -- OPEN ACCESS. |
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ISSN : |
2730-5066 |
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DOI : |
10.31285/AGRO.26.1087 |
|
Idioma : |
Inglés |
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Notas : |
Article history: Article originally published in: Agrociencia (Uruguay). 2004;8(2):23-31. doi: https://doi.org/10.31285/AGRO.08.1002 -- Special Issue 25 Years Agrociencia. -- License: This work is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/ ) |
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Contenido : |
ABSTRACT.- Fluorescent Pseudomonas have been extensively reported as effective biocontrol agents and can be used to manage Pythium seedling diseases in alfalfa. An in vivo methodology was developed to evaluate fluorescent Pseudomonas isolates for their ability to suppress disease and promote plant growth in the alfalfa-Pythium pathosystem. The standard method consists of a bioassay performed in growth chamber under controlled conditions of temperature and photoperiod. Alfalfa seeds were sown in commercial substrate and subsequently treated as follows: no Pseudomonas, no Pythium debaryanum (germination control); inoculated only with P. debaryanum (disease control); each one of the Pseudomonas isolates co-inoculated with P. debaryanum. An augmented experiment design was obtained by selecting a random complete blocks design for four checks systematically evaluated on 12 bioassays, and enlarging the blocks to accommodate up to 16 treatments per assay. Disease control recorded an emergence of 33.2% on day 15 after sowing date, as compared with germination control (100%). The 101 fluorescent Pseudomonas isolates showed a wide response on disease suppression ability. Twelve percent of tested isolates reasonably protected alfalfa plants against P. debaryanum, recording an emergence of over 60%. A similar procedure, in the absence of the pathogen, was used to evaluate alfalfa growth-promoting ability of selected Pseudomonas isolates. Five isolates exhibited a significant biocontrol activity against P. debaryanum and four of them also recorded a significant plant growth-promoting effect. Both bioassays were appropriate to identify candidate Pseudomonas isolates to be further tested under field conditions. Copyright (c) 2022 Agrociencia Uruguay MenosABSTRACT.- Fluorescent Pseudomonas have been extensively reported as effective biocontrol agents and can be used to manage Pythium seedling diseases in alfalfa. An in vivo methodology was developed to evaluate fluorescent Pseudomonas isolates for their ability to suppress disease and promote plant growth in the alfalfa-Pythium pathosystem. The standard method consists of a bioassay performed in growth chamber under controlled conditions of temperature and photoperiod. Alfalfa seeds were sown in commercial substrate and subsequently treated as follows: no Pseudomonas, no Pythium debaryanum (germination control); inoculated only with P. debaryanum (disease control); each one of the Pseudomonas isolates co-inoculated with P. debaryanum. An augmented experiment design was obtained by selecting a random complete blocks design for four checks systematically evaluated on 12 bioassays, and enlarging the blocks to accommodate up to 16 treatments per assay. Disease control recorded an emergence of 33.2% on day 15 after sowing date, as compared with germination control (100%). The 101 fluorescent Pseudomonas isolates showed a wide response on disease suppression ability. Twelve percent of tested isolates reasonably protected alfalfa plants against P. debaryanum, recording an emergence of over 60%. A similar procedure, in the absence of the pathogen, was used to evaluate alfalfa growth-promoting ability of selected Pseudomonas isolates. Five isolates exhibited a significant biocontrol a... Presentar Todo |
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Palabras claves : |
Biocontrol; PGPR; Promoción del crecimiento vegetal; Pythium. |
|
Thesagro : |
CONTROL BIOLÓGICO; MEDICAGO SATIVA L; PSEUDOMONAS. |
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Asunto categoría : |
H01 Protección de plantas - Aspectos generales |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/17168/1/2730-5066-1087.pdf
|
|
Marc : |
LEADER 03112naa a2200277 a 4500
001 1064157
005 2023-05-24
008 2022 bl uuuu u00u1 u #d
022 $a2730-5066
024 7 $a10.31285/AGRO.26.1087$2DOI
100 1 $aYANES, M.L.
245 $aMethod to evaluate disease supression against Pythium debaryanum and alfalfa growth promotion by fluorescent Pseudomonas. [Método para evaluar protección contra Pythium debaryanum y promoción del crecimiento de alfalfa por Pseudomonas fluorescentes]. [Special Issue 25 Years Agrociencia].$h[electronic resource]
260 $c2022
500 $aArticle history: Article originally published in: Agrociencia (Uruguay). 2004;8(2):23-31. doi: https://doi.org/10.31285/AGRO.08.1002 -- Special Issue 25 Years Agrociencia. -- License: This work is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/ )
520 $aABSTRACT.- Fluorescent Pseudomonas have been extensively reported as effective biocontrol agents and can be used to manage Pythium seedling diseases in alfalfa. An in vivo methodology was developed to evaluate fluorescent Pseudomonas isolates for their ability to suppress disease and promote plant growth in the alfalfa-Pythium pathosystem. The standard method consists of a bioassay performed in growth chamber under controlled conditions of temperature and photoperiod. Alfalfa seeds were sown in commercial substrate and subsequently treated as follows: no Pseudomonas, no Pythium debaryanum (germination control); inoculated only with P. debaryanum (disease control); each one of the Pseudomonas isolates co-inoculated with P. debaryanum. An augmented experiment design was obtained by selecting a random complete blocks design for four checks systematically evaluated on 12 bioassays, and enlarging the blocks to accommodate up to 16 treatments per assay. Disease control recorded an emergence of 33.2% on day 15 after sowing date, as compared with germination control (100%). The 101 fluorescent Pseudomonas isolates showed a wide response on disease suppression ability. Twelve percent of tested isolates reasonably protected alfalfa plants against P. debaryanum, recording an emergence of over 60%. A similar procedure, in the absence of the pathogen, was used to evaluate alfalfa growth-promoting ability of selected Pseudomonas isolates. Five isolates exhibited a significant biocontrol activity against P. debaryanum and four of them also recorded a significant plant growth-promoting effect. Both bioassays were appropriate to identify candidate Pseudomonas isolates to be further tested under field conditions. Copyright (c) 2022 Agrociencia Uruguay
650 $aCONTROL BIOLÓGICO
650 $aMEDICAGO SATIVA L
650 $aPSEUDOMONAS
653 $aBiocontrol
653 $aPGPR
653 $aPromoción del crecimiento vegetal
653 $aPythium
700 1 $aFERNÁNDEZ, A.
700 1 $aARIAS, A.
700 1 $aALTIER, N.
773 $tAgrociencia Uruguay, 2022, vol. 26, NE2, e1087. doi: https://doi.org/10.31285/AGRO.26.1087 -- OPEN ACCESS.
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