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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha : |
28/10/2014 |
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Actualizado : |
14/05/2018 |
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Tipo de producción científica : |
Documentos |
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Autor : |
CANTOU, G.; ROEL, A. |
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Afiliación : |
MARIA GUILLERMINA CANTOU MAYOL, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; ALVARO ROEL DELLAZOPPA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Manejo del riego: productividad del agua. |
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Fecha de publicación : |
2010 |
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Fuente / Imprenta : |
In: INIA TREINTA Y TRES. Arroz. Resultados experimentales 2009-2010. Treinta y Tres (Uruguay): INIA, 2010. |
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Páginas : |
cap. 2, p. 1-12 |
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Serie : |
(INIA Serie Actividades de Difusión; 611) |
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Idioma : |
Español |
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Thesagro : |
ARROZ; INUNDACIÓN CONTINUA; MANEJO DEL AGUA; RIEGO; RIEGO CON DÉFICIT CONTROLADO; RIEGO CON LÁMINA VARIABLE; RIEGO RESTRICTIVO; SISTEMAS DE RIEGO. |
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Asunto categoría : |
F06 Riego |
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URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/9553/1/cap2-p.1-12.pdf
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Marc : |
LEADER 00737naa a2200241 a 4500
001 1051344
005 2018-05-14
008 2010 bl uuuu u00u1 u #d
100 1 $aCANTOU, G.
245 $aManejo del riego$bproductividad del agua.
260 $c2010
300 $acap. 2, p. 1-12
490 $a(INIA Serie Actividades de Difusión; 611)
650 $aARROZ
650 $aINUNDACIÓN CONTINUA
650 $aMANEJO DEL AGUA
650 $aRIEGO
650 $aRIEGO CON DÉFICIT CONTROLADO
650 $aRIEGO CON LÁMINA VARIABLE
650 $aRIEGO RESTRICTIVO
650 $aSISTEMAS DE RIEGO
700 1 $aROEL, A.
773 $tIn: INIA TREINTA Y TRES. Arroz. Resultados experimentales 2009-2010. Treinta y Tres (Uruguay): INIA, 2010.
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INIA Treinta y Tres (TT) |
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 | Acceso al texto completo restringido a Biblioteca INIA Treinta y Tres. Por información adicional contacte bibliott@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Treinta y Tres. |
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Fecha actual : |
09/06/2021 |
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Actualizado : |
15/06/2022 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
-- - -- |
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Autor : |
MARTÍNEZ, S. |
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Afiliación : |
SEBASTIÁN MARTÍNEZ KOPP, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay. |
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Título : |
Stem rot management by nitrogen and potassium fertilization and effect on grain yield and quality of rice in Uruguay. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Canadian Journal of Plant Pathology, 2021, volume 43, issue 6, pages 783-793. Doi: https://doi.org/10.1080/07060661.2021.192293 |
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DOI : |
10.1080/07060661.2021.192293 |
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Idioma : |
Inglés |
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Notas : |
Article history: Accepted 23 Apr 2021// Accepted author version posted online: 27 Apr 2021 // Published online: 27 May 2021. Correspondence: smartinez@inia.org.uy. |
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Contenido : |
Stem rot (Nakataea oryzae) limits rice (Oryza sativa) production in Uruguay when there are high inoculum levels in the soil. This disease is particularly damaging in potassium (K)-deficient soils that receive excessive nitrogen (N) fertilization. Nevertheless, no data exist for the response to stem rot in modern rice cultivars with respect to the interaction between balanced N and K fertilization. The aim of this work was to evaluate the combined effect of K and N fertilization and a foliar phosphite (Phi) in reducing stem rot severity in rice to prevent significant yield losses. A 3-year field study was conducted in a rice-producing region of Uruguay to investigate the effects of: (1) K fertilization rate, 0 or based on the Mg:K ratio; (2) N fertilization rate, 0 or 140 kg ha?1 N; and (3) Phi treatment, with or without foliar Phi (1.775 kg ha?1 of K Phi, 71%), at growth stage R2-R3. While the experiment was conducted in a soil with sufficient potassium, K fertilization reduced the severity and percentage of rice tillers that were severely affected by stem rot, resulting in a mean yield increment of 2% to 18% depending on the year (mean 7.5%). Nitrogen fertilization increased stem rot severity in only 1 year, but resulted in a mean yield increment of 10% over the 3 years of the experiment. Foliar Phi applied at the late boot to panicle exertion stage did not reduce disease incidence or severity and failed to increase the total rice grain and milling yield. |
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Palabras claves : |
FERTILIZATION; FUNGICIDE; NAKATAEA ORYZAE; ORYZA SATIVA; POTASSIUM PHOSPHITE; URUGUAY. |
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Asunto categoría : |
-- |
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Marc : |
LEADER 02378naa a2200217 a 4500
001 1062121
005 2022-06-15
008 2021 bl uuuu u00u1 u #d
024 7 $a10.1080/07060661.2021.192293$2DOI
100 1 $aMARTÍNEZ, S.
245 $aStem rot management by nitrogen and potassium fertilization and effect on grain yield and quality of rice in Uruguay.$h[electronic resource]
260 $c2021
500 $aArticle history: Accepted 23 Apr 2021// Accepted author version posted online: 27 Apr 2021 // Published online: 27 May 2021. Correspondence: smartinez@inia.org.uy.
520 $aStem rot (Nakataea oryzae) limits rice (Oryza sativa) production in Uruguay when there are high inoculum levels in the soil. This disease is particularly damaging in potassium (K)-deficient soils that receive excessive nitrogen (N) fertilization. Nevertheless, no data exist for the response to stem rot in modern rice cultivars with respect to the interaction between balanced N and K fertilization. The aim of this work was to evaluate the combined effect of K and N fertilization and a foliar phosphite (Phi) in reducing stem rot severity in rice to prevent significant yield losses. A 3-year field study was conducted in a rice-producing region of Uruguay to investigate the effects of: (1) K fertilization rate, 0 or based on the Mg:K ratio; (2) N fertilization rate, 0 or 140 kg ha?1 N; and (3) Phi treatment, with or without foliar Phi (1.775 kg ha?1 of K Phi, 71%), at growth stage R2-R3. While the experiment was conducted in a soil with sufficient potassium, K fertilization reduced the severity and percentage of rice tillers that were severely affected by stem rot, resulting in a mean yield increment of 2% to 18% depending on the year (mean 7.5%). Nitrogen fertilization increased stem rot severity in only 1 year, but resulted in a mean yield increment of 10% over the 3 years of the experiment. Foliar Phi applied at the late boot to panicle exertion stage did not reduce disease incidence or severity and failed to increase the total rice grain and milling yield.
653 $aFERTILIZATION
653 $aFUNGICIDE
653 $aNAKATAEA ORYZAE
653 $aORYZA SATIVA
653 $aPOTASSIUM PHOSPHITE
653 $aURUGUAY
773 $tCanadian Journal of Plant Pathology, 2021, volume 43, issue 6, pages 783-793. Doi: https://doi.org/10.1080/07060661.2021.192293
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