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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
08/09/2014 |
Actualizado : |
04/10/2019 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
HOFFMAN, E.; VIEGA, L.; GLISON, N.; CASTRO, A.; PEREYRA, S.; PÉREZ, C. |
Afiliación : |
SILVIA ANTONIA PEREYRA CORREA, INIA La Estanzuela. |
Título : |
Differential effects of spot blotch on photosynthesis and grain yield in two barley cultivars. |
Fecha de publicación : |
2014 |
Fuente / Imprenta : |
European Journal of Plant Pathology, v. 139, n. 3, p. 471-480, 2014. |
ISSN : |
0929-1873. |
DOI : |
10.1007/s10658-014-0404-y |
Idioma : |
Inglés |
Notas : |
Article history: Accepted: 12 February 2014 /Published online: 27 February 2014. |
Contenido : |
ABSTRACT.
Barley spot blotch (SB), caused by Cochliobolus sativus, is an important barley disease which causes extensive grain yield losses. These losses may not always correlate directly with the amount of diseased leaf area. Two barley cultivars, Quebracho (susceptible to SB) and Carumbé (with intermediate susceptibility to SB), were compared in field experiments in 2003, 2004 and 2006. Plots of each cultivar were either inoculated with C. sativus or protected with fungicide under field conditions to generate contrasting treatments: i) diseased, and ii) free of disease, respectively. SB severity over the growing season, photosynthetic rate on leaves with no visible symptoms and grain yield were assessed for each treatment and year. There was no treatment effect on cv. Carumbé, while cv. Quebracho showed a significant yield reduction, even though SB severity during the grain filling period was <10 %. This yield reduction was associated with a reduced photosynthetic rate at the beginning of the grain filling period in cv. Quebracho. A similar experiment was conducted under greenhouse conditions, adding a treatment without inoculum or fungicide. There were no differences in photosynthetic rate or grain yield per plant among treatments. These results suggest a distinct physiological response to SB infection among cultivars affecting leaf photosynthetic rate, and SB severity may not be the best estimator of yield losses caused by SB. |
Palabras claves : |
COCHLIOBOLUS SATIVUS; HORDEUM; PHOTOSYNTHESIS; RENDIMIENTO EN GRANO; YIELD LOSSES. |
Thesagro : |
FITOPATOLOGÍA. |
Asunto categoría : |
H20 Enfermedades de las plantas |
Marc : |
LEADER 02358naa a2200289 a 4500 001 1050032 005 2019-10-04 008 2014 bl uuuu u00u1 u #d 022 $a0929-1873. 024 7 $a10.1007/s10658-014-0404-y$2DOI 100 1 $aHOFFMAN, E. 245 $aDifferential effects of spot blotch on photosynthesis and grain yield in two barley cultivars.$h[electronic resource] 260 $c2014 500 $aArticle history: Accepted: 12 February 2014 /Published online: 27 February 2014. 520 $aABSTRACT. Barley spot blotch (SB), caused by Cochliobolus sativus, is an important barley disease which causes extensive grain yield losses. These losses may not always correlate directly with the amount of diseased leaf area. Two barley cultivars, Quebracho (susceptible to SB) and Carumbé (with intermediate susceptibility to SB), were compared in field experiments in 2003, 2004 and 2006. Plots of each cultivar were either inoculated with C. sativus or protected with fungicide under field conditions to generate contrasting treatments: i) diseased, and ii) free of disease, respectively. SB severity over the growing season, photosynthetic rate on leaves with no visible symptoms and grain yield were assessed for each treatment and year. There was no treatment effect on cv. Carumbé, while cv. Quebracho showed a significant yield reduction, even though SB severity during the grain filling period was <10 %. This yield reduction was associated with a reduced photosynthetic rate at the beginning of the grain filling period in cv. Quebracho. A similar experiment was conducted under greenhouse conditions, adding a treatment without inoculum or fungicide. There were no differences in photosynthetic rate or grain yield per plant among treatments. These results suggest a distinct physiological response to SB infection among cultivars affecting leaf photosynthetic rate, and SB severity may not be the best estimator of yield losses caused by SB. 650 $aFITOPATOLOGÍA 653 $aCOCHLIOBOLUS SATIVUS 653 $aHORDEUM 653 $aPHOTOSYNTHESIS 653 $aRENDIMIENTO EN GRANO 653 $aYIELD LOSSES 700 1 $aVIEGA, L. 700 1 $aGLISON, N. 700 1 $aCASTRO, A. 700 1 $aPEREYRA, S. 700 1 $aPÉREZ, C. 773 $tEuropean Journal of Plant Pathology$gv. 139, n. 3, p. 471-480, 2014.
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INIA La Estanzuela (LE) |
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Registro completo
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Biblioteca (s) : |
INIA Tacuarembó; INIA Treinta y Tres. |
Fecha actual : |
24/08/2016 |
Actualizado : |
29/05/2018 |
Tipo de producción científica : |
Documentos |
Autor : |
BLANCO, P.H.; MARTÍNEZ, S.; CARRACELAS, G.; VARGAS, J.; VILLALBA, M.; ESCALANTE, F. |
Afiliación : |
PEDRO HORACIO BLANCO BARRAL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; SEBASTIÁN MARTÍNEZ KOPP, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JULIO GONZALO CARRACELAS GARRIDO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; JOSE EDUARDO VARGAS MANCUELLO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARIO VILLALBA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; FERNANDO DANIEL ESCALANTE UBIEDO, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
Título : |
Evaluación de cultivares de calidad americana - E6. |
Fecha de publicación : |
2016 |
Fuente / Imprenta : |
ln: JORNADA ANUAL ARROZ, 2016, INIA TREINTA Y TRES, TREINTA Y TRES, UY. Arroz: resultados experimentales 2015-2016. Treinta y Tres, (Uruguay): INIA, 2016. |
Páginas : |
cap. 3, p. 19-21. |
Serie : |
(INIA Serie Actividades de Difusión; 765) |
ISSN : |
1688-9258 |
Idioma : |
Español |
Palabras claves : |
JAPÓNICA TROPICAL. |
Thesagro : |
ARROZ; FITOMEJORAMIENTO. |
Asunto categoría : |
-- F30 Genética vegetal y fitomejoramiento |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/7881/1/ad-765-cap.3-p.19-21.pdf
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Marc : |
LEADER 00768naa a2200241 a 4500 001 1056562 005 2018-05-29 008 2016 bl uuuu u00u1 u #d 022 $a1688-9258 100 1 $aBLANCO, P.H. 245 $aEvaluación de cultivares de calidad americana - E6. 260 $c2016 300 $acap. 3, p. 19-21. 490 $a(INIA Serie Actividades de Difusión; 765) 650 $aARROZ 650 $aFITOMEJORAMIENTO 653 $aJAPÓNICA TROPICAL 700 1 $aMARTÍNEZ, S. 700 1 $aCARRACELAS, G. 700 1 $aVARGAS, J. 700 1 $aVILLALBA, M. 700 1 $aESCALANTE, F. 773 $tln: JORNADA ANUAL ARROZ, 2016, INIA TREINTA Y TRES, TREINTA Y TRES, UY. Arroz: resultados experimentales 2015-2016. Treinta y Tres, (Uruguay): INIA, 2016.
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