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Registros recuperados : 214 | |
22. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | BLANCO, P.H.; GAGGERO, M.; MOLINA, F. Evaluación de cultivares tropicales. Mejoramiento genético. II. Evaluación avanzada de cultivares. ln: INIA TREINTA Y TRES. PROGRAMA NACIONAL DE ARROZ. Investigaciones agronómicas: reporte técnico anual 2003. Área cultivos. Treinta y Tres (Uruguay): INIA, 2003. cap. 6, p.16-20. (INIA Reporte Técnico Anual; 01)Biblioteca(s): INIA Treinta y Tres. |
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23. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | ÁVILA, S.; BLANCO, P.H.; CASALES, L. Evolución y predicción de grado de severidad de podredumbre del tallo y mancha agregada de las vainas, mediante la detección temprana de síntomas en tres cultivares. [Resumen]. ln: Conferencia Internacional de Arroz de Clima Templado, 3., 2003, Punta del Este, Uruguay Resúmenes. Montevideo (Uruguay): ACA; INIA; GMA; FLAR, 2003. p. 79. "Instituto Nacional de Investigación Agropecuaria, Uruguay (INIA); Asociación de Cultivadores de Arroz (ACA); Gremial de Molinos Arroceros (GMA); Fondo Latinoamericano de Arroz de Riego (FLAR)"Biblioteca(s): INIA Treinta y Tres. |
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37. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | BLANCO, P.H.; MOLINA, F.; PÉREZ DE VIDA, F. Épocas de siembra. Mejoramiento genético. 4. Evaluación final. In: INIA TREINTA Y TRES. Arroz: Resultados experimentales 2007-2008. Treinta y Tres (Uruguay): INIA, 2008. cap 6 p. 38-43. (INIA Actividades de Difusión; 545)Biblioteca(s): INIA Treinta y Tres. |
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38. | ![Imagen marcada / sin marcar](/consulta/web/img/desmarcado.png) | BLANCO, P.H.; PÉREZ DE VIDA, F.; MOLINA, F. Development of Clearfield rice cultivars in Uruguay.[Poster]. In: Proceedings of the Temperate Rice Conference, 4, 2007, Novara, Italy. Ed. Bocchi, A., Ferrero, A., Porro, A., 2007, Novara: SIRFI. p. 256-257.Biblioteca(s): INIA Treinta y Tres. |
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Registros recuperados : 214 | |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
10/08/2016 |
Actualizado : |
12/03/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Circulación / Nivel : |
Internacional - -- |
Autor : |
ROSAS, J.E.; MARTÍNEZ, S.; BONNECARRERE, M.; PÉREZ DE VIDA, F.; BLANCO, P.H.; MALOSETTI, M.; JANNINK, J.L.; GUTIÉRREZ, L. |
Afiliación : |
JUAN EDUARDO ROSAS CAISSIOLS, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SEBASTIÁN MARTÍNEZ KOPP, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIA VICTORIA BONNECARRERE MARTINEZ, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FERNANDO BLAS PEREZ DE VIDA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; PEDRO HORACIO BLANCO BARRAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARCOS MALOSETTI, Universidad de Wageningen (WU); JEAN-LUC JANNINK, USDA–ARS; LUCÍA GUTIÉRREZ, Universidad de Wisconsin-Madison. |
Título : |
Comparison of phenotyping methods for resistance to stem rot and aggregated sheath spot in rice. |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
Crop Science, 2016, v. 56, no. 4, p. 1619-1627. Open Access |
DOI : |
10.2135/cropsci2015.09.0598 |
Idioma : |
Inglés |
Notas : |
Article history: Published June 15, 2016. |
Contenido : |
ABSTRACT.
Stem and sheath diseases caused by Sclerotium oryzae Cattaneo (SCL) and Rhizoctonia oryzaesativae Sawada Mordue (ROS) can severely reduce rice (Oryza sativa L.) yield and grain quality. Genetic resistance is the best strategy to control them. Phenotypic selection for resistance is hampered due to a heterogeneous distribution of the inoculum in the soil that generates high environmental variability and decreases genetic gain. To have higher selection accuracy it is necessary to develop phenotyping methods with high repeatability and discriminative power. Comparison of greenhouse methods have been reported for Rhizoctonia solani Kühn, a more invasive pathogen than SCL and ROS, and for SCL, but no such comparisons are reported for ROS. Our study compares five inoculation methods for SCL and ROS to identify the more discriminant and repeatable method and to apply it for high-throughput phenotyping of hundreds of rice lines. A method that uses an agar disc with growing mycelium attached to the base of stems was found to have the best balance between discrimination among genotypes and variability among replicates of the same genotype for both pathogens. This method was used in five greenhouse experiments for phenotyping resistance to SCL and ROS in a population of 641 rice advanced breeding lines. Heritabilities of resistance ranged from 0.36 to 0.71 in these experiments. These findings have a direct application in screening for resistance of rice to SCL and ROS, and in high-throughput phenotyping for mapping loci associated to disease resistance.
© Crop Science Society of America. MenosABSTRACT.
Stem and sheath diseases caused by Sclerotium oryzae Cattaneo (SCL) and Rhizoctonia oryzaesativae Sawada Mordue (ROS) can severely reduce rice (Oryza sativa L.) yield and grain quality. Genetic resistance is the best strategy to control them. Phenotypic selection for resistance is hampered due to a heterogeneous distribution of the inoculum in the soil that generates high environmental variability and decreases genetic gain. To have higher selection accuracy it is necessary to develop phenotyping methods with high repeatability and discriminative power. Comparison of greenhouse methods have been reported for Rhizoctonia solani Kühn, a more invasive pathogen than SCL and ROS, and for SCL, but no such comparisons are reported for ROS. Our study compares five inoculation methods for SCL and ROS to identify the more discriminant and repeatable method and to apply it for high-throughput phenotyping of hundreds of rice lines. A method that uses an agar disc with growing mycelium attached to the base of stems was found to have the best balance between discrimination among genotypes and variability among replicates of the same genotype for both pathogens. This method was used in five greenhouse experiments for phenotyping resistance to SCL and ROS in a population of 641 rice advanced breeding lines. Heritabilities of resistance ranged from 0.36 to 0.71 in these experiments. These findings have a direct application in screening for resistance of rice to SCL and ROS, and in... Presentar Todo |
Palabras claves : |
RICE (ORYZA SATIVA L.). |
Thesagro : |
ARROZ. |
Asunto categoría : |
-- |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/5844/1/Rosas-J.E.-2016.-Crop-Science.pdf
https://dl.sciencesocieties.org/publications/cs/pdfs/56/4/1619
|
Marc : |
LEADER 02402naa a2200253 a 4500 001 1055229 005 2019-03-12 008 2016 bl uuuu u00u1 u #d 024 7 $a10.2135/cropsci2015.09.0598$2DOI 100 1 $aROSAS, J.E. 245 $aComparison of phenotyping methods for resistance to stem rot and aggregated sheath spot in rice.$h[electronic resource] 260 $c2016 500 $aArticle history: Published June 15, 2016. 520 $aABSTRACT. Stem and sheath diseases caused by Sclerotium oryzae Cattaneo (SCL) and Rhizoctonia oryzaesativae Sawada Mordue (ROS) can severely reduce rice (Oryza sativa L.) yield and grain quality. Genetic resistance is the best strategy to control them. Phenotypic selection for resistance is hampered due to a heterogeneous distribution of the inoculum in the soil that generates high environmental variability and decreases genetic gain. To have higher selection accuracy it is necessary to develop phenotyping methods with high repeatability and discriminative power. Comparison of greenhouse methods have been reported for Rhizoctonia solani Kühn, a more invasive pathogen than SCL and ROS, and for SCL, but no such comparisons are reported for ROS. Our study compares five inoculation methods for SCL and ROS to identify the more discriminant and repeatable method and to apply it for high-throughput phenotyping of hundreds of rice lines. A method that uses an agar disc with growing mycelium attached to the base of stems was found to have the best balance between discrimination among genotypes and variability among replicates of the same genotype for both pathogens. This method was used in five greenhouse experiments for phenotyping resistance to SCL and ROS in a population of 641 rice advanced breeding lines. Heritabilities of resistance ranged from 0.36 to 0.71 in these experiments. These findings have a direct application in screening for resistance of rice to SCL and ROS, and in high-throughput phenotyping for mapping loci associated to disease resistance. © Crop Science Society of America. 650 $aARROZ 653 $aRICE (ORYZA SATIVA L.) 700 1 $aMARTÍNEZ, S. 700 1 $aBONNECARRERE, M. 700 1 $aPÉREZ DE VIDA, F. 700 1 $aBLANCO, P.H. 700 1 $aMALOSETTI, M. 700 1 $aJANNINK, J.L. 700 1 $aGUTIÉRREZ, L. 773 $tCrop Science, 2016$gv. 56, no. 4, p. 1619-1627. Open Access
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