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Registros recuperados : 44 | |
26. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | PEREZ GOMAR, E.; BEMHAJA SARAIVA, M.; GUTIERREZ, F. Estudio exploratorio sobre las propiedades químicas de suelos de sistemas silvopastoriles de la Unidad Chapicuy en Paysandú, Uruguay. ln: Congreso Nacional de Sistemas Silvopastoriles, 1., 2009, Posadas, Misiones, Argentina Actas. Buenos Aires (Argentina): INTA, 2009. p. 450-452Biblioteca(s): INIA Tacuarembó. |
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32. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | GUTIERREZ, F.; FERREIRA, G.; BEMHAJA SARAIVA, M.; BALMELLI, G.; PEREZ GOMAR, E. Caracterización de los sistemas agroforestales en la Región Norte de Uruguay: enfoque a escala sección policial ln: Reunión del grupo técnico en forrajeras del Cono Sur, 22., 2008, Minas, Uruguay Bioma campos: innovando para mantener su sustentabilidad y competitividad. Memorias. Minas (Uruguay): INIA. FAO. PROCISUR, 2008. p. 266 Versión impresa y en CD ROM Instituto Nacional de Investigación Agropecuaria, Uruguay; FAO; PROCISURBiblioteca(s): INIA Tacuarembó. |
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33. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | GUTIÉRREZ, F.; FERREIRA, G.; BEMHAJA, M.; BALMELLI, G.; PÉREZ GOMAR, E. Caracterización de los sistemas agroforestales en la región norte y noreste de Uruguay. ln: CONGRESO NACIONAL DE SISTEMAS SILVOPASTORILES, 1., 2009, Posadas, Misiones, AR. Actas. Buenos Aires: INTA, 2009. p. 457-458.Biblioteca(s): INIA La Estanzuela; INIA Tacuarembó. |
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37. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | MARANGES, F.; DO CANTO, J.; REYNO, R.; GUTIERREZ, F.; ROSSI, C.; DÍAZ, J.; STEWART, A. Raigrás anual Winter Star 3. Revista INIA Uruguay, 2018, no.52, p.18-20. (Revista INIA; 52)Biblioteca(s): INIA Treinta y Tres. |
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40. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | REYNO, R.; CONDON, F.; JAURENA, M.; DO CANTO, J.; DO CARMO, M.; OLMOS, F.; GUTIÉRREZ, F.; REBUFFO, M. Conservación y uso de los recursos genéticos de especies forrajeras en Uruguay. In: JORNADAS LATINOAMERICANAS DE RECURSOS GENÉTICOS, MEJORAMIENTO Y BIOTECNOLOGÍA DE ESPECIES FORRAJERAS, 2012, Pergamino, AR. [Junín, AR]: UNNOBA/INTA PERGAMINO, 2012.Biblioteca(s): INIA La Estanzuela. |
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Registros recuperados : 44 | |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
Fecha actual : |
16/04/2019 |
Actualizado : |
16/04/2019 |
Tipo de producción científica : |
Abstracts/Resúmenes |
Autor : |
DO CANTO, J.; REYNO, R.; GUTIERREZ, F.; CIBILS-STEWART, X.; STEWART, A. |
Afiliación : |
JAVIER DO CANTO FAGUNDEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; RAFAEL ALEJANDRO REYNO PODESTA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FELIX ALBERTO GUTIERREZ ZAMIT, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; XIMENA CIBILS-STEWART, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALAN STEWART, PGG Wrightson Seeds, New Zealand. |
Título : |
Does endophyte-association improve productivity in tall fescue? The case of the novel AR584 strain in a non-limiting environment. [Resumen]. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
In: International Forage & Turf Breeding Conference, 24-27 March, Lake Buena Vista, FL, 2019. |
Idioma : |
Inglés |
Contenido : |
In the symbiotic relationship between tall fescue (Festuca arundinacea SHREB.) and the endophytic fungus Epichloë coenophialum, the compounds produced by the later offers survival benefits to the infected grass. Novel endophyte strains offer such advantages, with no toxicity associated to cattle. However, whether both the biotic and abiotic stress tolerance attributed to the endophyte infection result in an increase in dry matter productivity remains unclear. Thus, the objective of this study was to determine if tall fescues infected with the novel endophyte strain AR584 performed better than its endophyte-free counterpart in the temperate region of Uruguay. From 2010 to 2017 two cultivars, INIA Aurora and INIA Fortuna, with and without the AR584 endophyte (E+ and Nil respectively) were sowed in the tall fescue field trials of INIA?s breeding program. These cultivars along with other breeding lines were sowed in 6.25 m2 plots, with 4 reps in randomized complete block design, and were evaluated for 3 years periods. Both, seasonal and annual dry matter (DM) production of the swards were evaluated under cuts. Analysis of the data shows that Cultivar INIA Aurora E+ had higher annual DM yields than INIA Aurora Nil in swards of all 1st, 2nd and 3rd years, but differences were not significant (P>0.05). The seasonal DM yields were also higher in INIA Aurora E+ in all but one season, although the difference was significant only in spring of the 1st year (P<0.05). On the other hand, cultivar INIA Fortuna E+, had higher annual DM yields in swards of 1st and 2nd years and lower yield in 3rd year than INIA Fortuna Nil but differences were never significant (P>0.05). Except for the 3rd winter and spring, seasonal DM yields were higher for INIA Fortuna E+, but again the differences were not significant (P>0.05). For the total DM production over 3 years of evaluation, INIA Aurora E+ produced 4.9% and INIA Fortuna E+ produced 1.4% more than their respective Nil versions. Levels of infection measured by blotting test averaged 91±5.5 for INIA Aurora E+, 3±2.2 for INIA Aurora Nil, 93±3 in INIA Fortuna E+, and 25±7.9 in INIA Fortuna Nil. Although data can be further analyzed, these preliminary analysis suggests that the novel endophyte AR584 provides a small, but not significant advantage, in DM production to, infected tall fescue cultivars in mild environments. MenosIn the symbiotic relationship between tall fescue (Festuca arundinacea SHREB.) and the endophytic fungus Epichloë coenophialum, the compounds produced by the later offers survival benefits to the infected grass. Novel endophyte strains offer such advantages, with no toxicity associated to cattle. However, whether both the biotic and abiotic stress tolerance attributed to the endophyte infection result in an increase in dry matter productivity remains unclear. Thus, the objective of this study was to determine if tall fescues infected with the novel endophyte strain AR584 performed better than its endophyte-free counterpart in the temperate region of Uruguay. From 2010 to 2017 two cultivars, INIA Aurora and INIA Fortuna, with and without the AR584 endophyte (E+ and Nil respectively) were sowed in the tall fescue field trials of INIA?s breeding program. These cultivars along with other breeding lines were sowed in 6.25 m2 plots, with 4 reps in randomized complete block design, and were evaluated for 3 years periods. Both, seasonal and annual dry matter (DM) production of the swards were evaluated under cuts. Analysis of the data shows that Cultivar INIA Aurora E+ had higher annual DM yields than INIA Aurora Nil in swards of all 1st, 2nd and 3rd years, but differences were not significant (P>0.05). The seasonal DM yields were also higher in INIA Aurora E+ in all but one season, although the difference was significant only in spring of the 1st year (P<0.05). On the other hand, c... Presentar Todo |
Palabras claves : |
FESCUE; FESTUCA ARUNDINACEA; PASTURA; PASTURE. |
Asunto categoría : |
A50 Investigación agraria |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/12633/1/DoCanto2019.resumen.pdf
|
Marc : |
LEADER 03072nam a2200205 a 4500 001 1059729 005 2019-04-16 008 2019 bl uuuu u00u1 u #d 100 1 $aDO CANTO, J. 245 $aDoes endophyte-association improve productivity in tall fescue? The case of the novel AR584 strain in a non-limiting environment. [Resumen].$h[electronic resource] 260 $aIn: International Forage & Turf Breeding Conference, 24-27 March, Lake Buena Vista, FL$c2019 520 $aIn the symbiotic relationship between tall fescue (Festuca arundinacea SHREB.) and the endophytic fungus Epichloë coenophialum, the compounds produced by the later offers survival benefits to the infected grass. Novel endophyte strains offer such advantages, with no toxicity associated to cattle. However, whether both the biotic and abiotic stress tolerance attributed to the endophyte infection result in an increase in dry matter productivity remains unclear. Thus, the objective of this study was to determine if tall fescues infected with the novel endophyte strain AR584 performed better than its endophyte-free counterpart in the temperate region of Uruguay. From 2010 to 2017 two cultivars, INIA Aurora and INIA Fortuna, with and without the AR584 endophyte (E+ and Nil respectively) were sowed in the tall fescue field trials of INIA?s breeding program. These cultivars along with other breeding lines were sowed in 6.25 m2 plots, with 4 reps in randomized complete block design, and were evaluated for 3 years periods. Both, seasonal and annual dry matter (DM) production of the swards were evaluated under cuts. Analysis of the data shows that Cultivar INIA Aurora E+ had higher annual DM yields than INIA Aurora Nil in swards of all 1st, 2nd and 3rd years, but differences were not significant (P>0.05). The seasonal DM yields were also higher in INIA Aurora E+ in all but one season, although the difference was significant only in spring of the 1st year (P<0.05). On the other hand, cultivar INIA Fortuna E+, had higher annual DM yields in swards of 1st and 2nd years and lower yield in 3rd year than INIA Fortuna Nil but differences were never significant (P>0.05). Except for the 3rd winter and spring, seasonal DM yields were higher for INIA Fortuna E+, but again the differences were not significant (P>0.05). For the total DM production over 3 years of evaluation, INIA Aurora E+ produced 4.9% and INIA Fortuna E+ produced 1.4% more than their respective Nil versions. Levels of infection measured by blotting test averaged 91±5.5 for INIA Aurora E+, 3±2.2 for INIA Aurora Nil, 93±3 in INIA Fortuna E+, and 25±7.9 in INIA Fortuna Nil. Although data can be further analyzed, these preliminary analysis suggests that the novel endophyte AR584 provides a small, but not significant advantage, in DM production to, infected tall fescue cultivars in mild environments. 653 $aFESCUE 653 $aFESTUCA ARUNDINACEA 653 $aPASTURA 653 $aPASTURE 700 1 $aREYNO, R. 700 1 $aGUTIERREZ, F. 700 1 $aCIBILS-STEWART, X. 700 1 $aSTEWART, A.
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