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 | Acceso al texto completo restringido a Biblioteca INIA Tacuarembó. Por información adicional contacte bibliotb@tb.inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó. |
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Fecha : |
13/08/2015 |
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Actualizado : |
14/05/2020 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
REYNO, R.; REAL, D.; BRUMMER, E.C. |
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Afiliación : |
RAFAEL ALEJANDRO REYNO PODESTA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; DANIEL REAL FERREIRO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; E. CHARLES BRUMMER, University of California, Davis. |
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Título : |
Comparison of two selection methods for tolerance to acidic, aluminum-rich soil in alfalfa. |
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Fecha de publicación : |
2015 |
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Fuente / Imprenta : |
Crop Science, v. 55, september-october 2015. DOI: https://doi.org/10.2135/cropsci2014.08.0543 |
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DOI : |
10.2135/cropsci2014.08.0543 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 8 Aug. 2014; Accepted 27 Feb. 2015. Acknowledgments: The authors thank Donald Wood, Jonathan Markham, and Wesley Dean for their support with the greenhouse screening. This experiment was funded by The University of Georgia Agricultural Experiment Station and The Samuel RobertsNoble Foundation. |
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Contenido : |
In acid soils (pHwater <5), Al becomes toxic, affecting alfalfa (Medicago sativa L.) root growth and development. In the southeastern United States, Al toxicity and its associated deficiencies are the most significant factors limiting alfalfa production. This study aimed to compare genetic gain for acid or Al tolerance as assessed by seedling biomass production in acidic soil under greenhouse conditions using phenotypic recurrent selection with gridding (PRSG) and among and within family selection (AWFS) in ?Bulldog 805? and PRSG in the germplasm ?Cultivated Alfalfa at the Diploid Level? (CADL) for two cycles. Selection was based on aerial biomass production
or visual score 60 d after germination in Al-rich acidic (unlimed, UL) soil and limed soil. Cycles 0, 1, and 2 from each method and population were evaluated for their root and shoot dry weight (RDW and SDW) after 60 d in UL and limed soils. Unlimed/limed soil RDW and SDW ratios were computed. CADL did not respond to selection,
probably because of the lack of initial variability for Al tolerance. Bulldog 805 selected in limed soil did not result in any improvement in limed or UL conditions but selection in UL soil improved performance in acidic soil after two cycles and did not negatively affect growth in limed soil. In Bulldog 805, PRSG had the largest response
per cycle: over 20% over Cycle 0 (C0). Direct selection in UL soil was the best way to improve growth in acidic Al-rich soils. These results need to be validated in the field. MenosIn acid soils (pHwater <5), Al becomes toxic, affecting alfalfa (Medicago sativa L.) root growth and development. In the southeastern United States, Al toxicity and its associated deficiencies are the most significant factors limiting alfalfa production. This study aimed to compare genetic gain for acid or Al tolerance as assessed by seedling biomass production in acidic soil under greenhouse conditions using phenotypic recurrent selection with gridding (PRSG) and among and within family selection (AWFS) in ?Bulldog 805? and PRSG in the germplasm ?Cultivated Alfalfa at the Diploid Level? (CADL) for two cycles. Selection was based on aerial biomass production
or visual score 60 d after germination in Al-rich acidic (unlimed, UL) soil and limed soil. Cycles 0, 1, and 2 from each method and population were evaluated for their root and shoot dry weight (RDW and SDW) after 60 d in UL and limed soils. Unlimed/limed soil RDW and SDW ratios were computed. CADL did not respond to selection,
probably because of the lack of initial variability for Al tolerance. Bulldog 805 selected in limed soil did not result in any improvement in limed or UL conditions but selection in UL soil improved performance in acidic soil after two cycles and did not negatively affect growth in limed soil. In Bulldog 805, PRSG had the largest response
per cycle: over 20% over Cycle 0 (C0). Direct selection in UL soil was the best way to improve growth in acidic Al-rich soils. These results need to be validated... Presentar Todo |
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Thesagro : |
ALFALFA; MEDICAGO SATIVA. |
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Asunto categoría : |
F01 Cultivo |
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Marc : |
LEADER 02415naa a2200193 a 4500
001 1053225
005 2020-05-14
008 2015 bl uuuu u00u1 u #d
024 7 $a10.2135/cropsci2014.08.0543$2DOI
100 1 $aREYNO, R.
245 $aComparison of two selection methods for tolerance to acidic, aluminum-rich soil in alfalfa.
260 $c2015
500 $aArticle history: Received 8 Aug. 2014; Accepted 27 Feb. 2015. Acknowledgments: The authors thank Donald Wood, Jonathan Markham, and Wesley Dean for their support with the greenhouse screening. This experiment was funded by The University of Georgia Agricultural Experiment Station and The Samuel RobertsNoble Foundation.
520 $aIn acid soils (pHwater <5), Al becomes toxic, affecting alfalfa (Medicago sativa L.) root growth and development. In the southeastern United States, Al toxicity and its associated deficiencies are the most significant factors limiting alfalfa production. This study aimed to compare genetic gain for acid or Al tolerance as assessed by seedling biomass production in acidic soil under greenhouse conditions using phenotypic recurrent selection with gridding (PRSG) and among and within family selection (AWFS) in ?Bulldog 805? and PRSG in the germplasm ?Cultivated Alfalfa at the Diploid Level? (CADL) for two cycles. Selection was based on aerial biomass production or visual score 60 d after germination in Al-rich acidic (unlimed, UL) soil and limed soil. Cycles 0, 1, and 2 from each method and population were evaluated for their root and shoot dry weight (RDW and SDW) after 60 d in UL and limed soils. Unlimed/limed soil RDW and SDW ratios were computed. CADL did not respond to selection, probably because of the lack of initial variability for Al tolerance. Bulldog 805 selected in limed soil did not result in any improvement in limed or UL conditions but selection in UL soil improved performance in acidic soil after two cycles and did not negatively affect growth in limed soil. In Bulldog 805, PRSG had the largest response per cycle: over 20% over Cycle 0 (C0). Direct selection in UL soil was the best way to improve growth in acidic Al-rich soils. These results need to be validated in the field.
650 $aALFALFA
650 $aMEDICAGO SATIVA
700 1 $aREAL, D.
700 1 $aBRUMMER, E.C.
773 $tCrop Science$gv. 55, september-october 2015. DOI: https://doi.org/10.2135/cropsci2014.08.0543
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| Registros recuperados : 125 | |
| 4. |  | REYNO, R. Paspalum notatum TB42. In: INIA TACUAREMBÓ. JORNADA DE DIVULGACIÓN, 6 DE FEBRERO, 2015, TAMBORES, URUGUAY. Manejo de la fertilización de pasturas, forrajes y campo natural bajo riego suplementario. Tacuarembó (Uruguay): INIA, 2015. p. 41-44 (Serie Actividades de Difusión; 742)| Biblioteca(s): INIA Tacuarembó. |
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| 7. | | REAL, D.; REYNO, R. Mejoramiento genético de leguminosas forrajeras para áreas extensivas Revista INIA, 2006, no. 9, p. 24-25 Agradecimientos: Los autores agradecen a los Téc. Agrop. Mauro Zarza, Rúben Mérola y Ana Viana por su fundamental trabajo en el desarrollo de este proyecto, a los técnicos de INIA Marco Dalla Rizza y Nora Altier, a los técnicos del...| Tipo: Artículos en Revistas Agropecuarias |
| Biblioteca(s): INIA La Estanzuela; INIA Las Brujas; INIA Tacuarembó. |
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| 18. | | REYNO, R.; DO CANTO, J.; REAL, D. Germplasm evaluation and frost tolerance improvement of Setaria sphacelata in Uruguay. In: Michalk, D.L; Millar, G.D.; Badgery, W.B.; Broadfoot, K.M.; eds. International Grassland Congress, 22., 15-19 September, Sydney (AT), 2013. Proceedings. Revitalising grasslands to sustain our communities 153-154| Tipo: Trabajos en Congresos/Conferencias |
| Biblioteca(s): INIA Tacuarembó. |
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| 19. | | FRANCO, R.; JAURENA, M.; REYNO, R. Effect of sowing density on the productivity of a native grassland restored with Bromus auleticus. [Efecto de la densidad de siembra en la productividad de un campo natural restaurado con Bromus auleticus]. [Efeito da densidade de semeadura na productividade de um campo nativo restaurado com Bromus auleticus]. Plant production. Agrociencia Uruguay, 2021, vol. 25, n.2, article e333. DOI: https://doi.org/10.31285/AGRO.25.333 Article history: Received 25 Feb 2020; Accepted 01 Jul 2021; Published 06 Sep 2021.
Editor: Sebastián Mazzilli, Universidad de la República Paysandú, Uruguay.
Correspondence: Rafael Reyno, mail: rreyno@inia.org.uy| Tipo: Artículos en Revistas Indexadas Nacionales | Circulación / Nivel : Nacional - -- |
| Biblioteca(s): INIA Las Brujas. |
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| Registros recuperados : 125 | |
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