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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
25/09/2014 |
Actualizado : |
26/09/2018 |
Autor : |
BARTABURU, D.; MORALES, H.; DIÉGUEZ, F.; LIZARRALDE, C.; QUIÑONES, A.; PEREIRA, M.; MOLINA, C.; MONTES, E.; MODERNEL, P.; TAKS, J.; DE TORRES, F.; COBAS, P.; MONDELLI, M.; TERRA, R.; CRUZ, G.; ASTIGARRAGA, L.; PICASSO, V.; URUGUAY. CENTRO INTERDISCIPLINARIO DE RESPUESTA AL CAMBIO Y VARIABILIDAD CLIMÁTICA |
Afiliación : |
CAROLINA ANGELA LIZARRALDE PIQUET, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
Título : |
Sensibilidad y capacidad adaptativa de la ganadería frente a los efectos del cambio climático; resultado [parcial] del proyecto: TCP/URU/3302 Nuevas Políticas para la Adaptación de la Agricultura al Cambio Climático. |
Fecha de publicación : |
2013 |
Fuente / Imprenta : |
Montevideo, UY: FAO-MGAP, 2013. |
Páginas : |
54 p. |
Serie : |
(Clima de Cambios: Nuevos Desafíos de Adaptación en Uruguay, 3) |
Idioma : |
Español |
Notas : |
Equipo del proyecto: Tomás Lindemann, Vicente Plata, Walter Oyhantçabal, Diego Sancho. |
Palabras claves : |
ENGORDE A CORRAL; GANADERÍA PASTORIL; INDICADORES; PRODUCCIÓN DE CARNE; VARIABILIDAD CLIMÁTICA. |
Thesagro : |
CAMBIO CLIMÁTICO; GANADERÍA. |
Asunto categoría : |
P01 Conservación de la naturaleza y recursos de La tierra |
Marc : |
LEADER 01454nam a2200421 a 4500 001 1050536 005 2018-09-26 008 2013 bl uuuu u00u1 u #d 100 1 $aBARTABURU, D. 245 $aSensibilidad y capacidad adaptativa de la ganadería frente a los efectos del cambio climático; resultado [parcial] del proyecto$bTCP/URU/3302 Nuevas Políticas para la Adaptación de la Agricultura al Cambio Climático.$h[electronic resource] 260 $aMontevideo, UY: FAO-MGAP$c2013 300 $a54 p. 490 $a(Clima de Cambios: Nuevos Desafíos de Adaptación en Uruguay, 3) 500 $aEquipo del proyecto: Tomás Lindemann, Vicente Plata, Walter Oyhantçabal, Diego Sancho. 650 $aCAMBIO CLIMÁTICO 650 $aGANADERÍA 653 $aENGORDE A CORRAL 653 $aGANADERÍA PASTORIL 653 $aINDICADORES 653 $aPRODUCCIÓN DE CARNE 653 $aVARIABILIDAD CLIMÁTICA 700 1 $aMORALES, H. 700 1 $aDIÉGUEZ, F. 700 1 $aLIZARRALDE, C. 700 1 $aQUIÑONES, A. 700 1 $aPEREIRA, M. 700 1 $aMOLINA, C. 700 1 $aMONTES, E. 700 1 $aMODERNEL, P. 700 1 $aTAKS, J. 700 1 $aDE TORRES, F. 700 1 $aCOBAS, P. 700 1 $aMONDELLI, M. 700 1 $aTERRA, R. 700 1 $aCRUZ, G. 700 1 $aASTIGARRAGA, L. 700 1 $aPICASSO, V. 700 1 $aURUGUAY. CENTRO INTERDISCIPLINARIO DE RESPUESTA AL CAMBIO Y VARIABILIDAD CLIMÁTICA
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INIA La Estanzuela (LE) |
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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha actual : |
06/03/2020 |
Actualizado : |
06/03/2020 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
GONZÁLEZ, S.N.; CONDON, F. |
Afiliación : |
SILVANA NOEMI GONZALEZ PARODI, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FEDERICO CONDON PRIANO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Germination of Bromus auleticus after different treatments to release seed dormancy. |
Fecha de publicación : |
2019 |
Fuente / Imprenta : |
Seed Science and Technology, Volume 47, Number 3, December 2019. OPEN ACCESS.Doi: https://doi.org/10.15258/sst.2020.48.1.04 |
ISSN : |
1819-5717 (Online) |
DOI : |
10.15258/sst.2020.48.1.04 |
Idioma : |
Inglés |
Notas : |
Article history: Submitted October 2019// Accepted January 2020// Published online February 2020. Author for correspondence (E-mail: 1 sngonzalez@inia.org.uy; 2 fcondon@inia.org.uy) |
Contenido : |
Abstract:Bromus auleticus is a cool season perennial C3 grass, recognised as a forage plant genetic resource and used for native grasslands restoration. It is native to the campos biome, found in southern Brazil, Uruguay and central Argentina. Its forage yield is comparable with tall fescue. Seed dormancy is a problem to evaluate germination and for commercialisation of this species. Using four recently harvested seed lots of three different genotypes, we tested six different treatments to release dormancy: a control (mean germination 52%); 0.05 and 0.1% gibberellic acid; KNO3; pre-chilling + KNO3; and pre-chilling (mean germination across seed lots and treatments, 87%). Pre-chilling + KNO3 and pre-chilling were the best treatments to break dormancy, with mean germination times (MGT) reduced to half (8.7 and 9.3 days-1) that of the untreated control (19.2 days-1). The treatment with KNO3 alone did not yield uniform results across seed lots; when combined with pre-chilling, final germination did not increase but showed more consistent results. The use of 0.05% gibberellic acid was less efficient than pre-chilling to reduce the MGT of 17.2 days-1, but it could be considered as an alternative treatment for seed lots in which the germination results are needed fast and has the additional advantages of avoiding exposing seeds to cold stress. Furthermore, if seeds are contaminated with fungi, it reduces growth time and contamination effects. |
Palabras claves : |
BROMUS AULETICUS; DORMANCY RELEASE; GERMINATION; GIBBERELLIC ACID; GRASS; SEED. |
Thesagro : |
GERMINACION; SEMILLAS. |
Asunto categoría : |
F03 Producción y tratamiento de semillas |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/14296/1/Gonzalez-and-Condon-2020.pdf
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Marc : |
LEADER 02445naa a2200265 a 4500 001 1060901 005 2020-03-06 008 2019 bl uuuu u00u1 u #d 022 $a1819-5717 (Online) 024 7 $a10.15258/sst.2020.48.1.04$2DOI 100 1 $aGONZÁLEZ, S.N. 245 $aGermination of Bromus auleticus after different treatments to release seed dormancy.$h[electronic resource] 260 $c2019 500 $aArticle history: Submitted October 2019// Accepted January 2020// Published online February 2020. Author for correspondence (E-mail: 1 sngonzalez@inia.org.uy; 2 fcondon@inia.org.uy) 520 $aAbstract:Bromus auleticus is a cool season perennial C3 grass, recognised as a forage plant genetic resource and used for native grasslands restoration. It is native to the campos biome, found in southern Brazil, Uruguay and central Argentina. Its forage yield is comparable with tall fescue. Seed dormancy is a problem to evaluate germination and for commercialisation of this species. Using four recently harvested seed lots of three different genotypes, we tested six different treatments to release dormancy: a control (mean germination 52%); 0.05 and 0.1% gibberellic acid; KNO3; pre-chilling + KNO3; and pre-chilling (mean germination across seed lots and treatments, 87%). Pre-chilling + KNO3 and pre-chilling were the best treatments to break dormancy, with mean germination times (MGT) reduced to half (8.7 and 9.3 days-1) that of the untreated control (19.2 days-1). The treatment with KNO3 alone did not yield uniform results across seed lots; when combined with pre-chilling, final germination did not increase but showed more consistent results. The use of 0.05% gibberellic acid was less efficient than pre-chilling to reduce the MGT of 17.2 days-1, but it could be considered as an alternative treatment for seed lots in which the germination results are needed fast and has the additional advantages of avoiding exposing seeds to cold stress. Furthermore, if seeds are contaminated with fungi, it reduces growth time and contamination effects. 650 $aGERMINACION 650 $aSEMILLAS 653 $aBROMUS AULETICUS 653 $aDORMANCY RELEASE 653 $aGERMINATION 653 $aGIBBERELLIC ACID 653 $aGRASS 653 $aSEED 700 1 $aCONDON, F. 773 $tSeed Science and Technology, Volume 47, Number 3, December 2019. OPEN ACCESS.Doi: https://doi.org/10.15258/sst.2020.48.1.04
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