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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha : |
20/11/2015 |
Actualizado : |
23/05/2016 |
Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
Autor : |
MANZI, M.; LADO, J.; RODRIGO, M.J.; ZACARÍAS, L.; ARBONA, V.; GÓMEZ-CADENAS, A. |
Afiliación : |
MATÍAS MANZI, Universidad Jaume I; JOANNA LADO LINDNER, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; MARÍA JESÚS RODRIGO, IATA (Instituto de Agroquímica y Tecnología de Alimentos); LORENZO ZACARÍAS, IATA (Instituto de Agroquímica y Tecnología de Alimentos); VICENT ARBONA, Universidad Jaume I; AURELIO GÓMEZ-CADENAS, Universidad Jaume I. |
Título : |
Root ABA accumulation in long-term water-stressed plants is sustained by hormone transport from aerial organs. |
Fecha de publicación : |
2015 |
Fuente / Imprenta : |
Plant and Cell Physiology, 2015, v. 56, no.12, p. 2457-2466. |
ISSN : |
Online ISSN 1471-9053 - Print ISSN 0032-0781 |
DOI : |
10.1093/pcp/pcv161 |
Idioma : |
Inglés |
Notas : |
Received July 24, 2015. Accepted October 22, 2015. First published online: November 4, 2015 |
Contenido : |
ABSTRACT.
The reduced pool of the abscisic acid (ABA) precursors, ?-? carotenoids, in roots does not account for the substantial increase of ABA content in response to water stress (WS) conditions, suggesting that ABA could be transported from other organs. Basipetal transport was interrupted by stem-girdling and ABA levels were determined in roots after two cycles of WS induced by transplanting plants to dry perlite. Leaf applications of isotope-labelled ABA and reciprocal grafting of ABA-deficient tomato mutants were used to confirm the involvement of aerial organs on root ABA accumulation. Disruption of basipetal transport reduced ABA accumulation in roots and this decrease was more severe after two consecutive WS periods. This effect was linked to a sharp decrease in the ?-? carotenoid pool in roots in response to water deficit. Significant levels of isotope-labelled ABA were transported from leaves to roots, mainly in plants subjected to water dehydration. Furthermore, the use of different ABA-deficient tomato mutants in reciprocal grafting combinations with wild-type genotypes confirmed the involvement of aerial organs in the ABA accumulation in roots. In conclusion, accumulation of ABA in roots after long-term WS periods largely relies on the aerial organs suggesting a reduced ability of the roots to synthesize ABA from carotenoids. Furthermore, plants are able to basipetally transport ABA to sustain high hormone levels in roots.
© The Author 2015. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. MenosABSTRACT.
The reduced pool of the abscisic acid (ABA) precursors, ?-? carotenoids, in roots does not account for the substantial increase of ABA content in response to water stress (WS) conditions, suggesting that ABA could be transported from other organs. Basipetal transport was interrupted by stem-girdling and ABA levels were determined in roots after two cycles of WS induced by transplanting plants to dry perlite. Leaf applications of isotope-labelled ABA and reciprocal grafting of ABA-deficient tomato mutants were used to confirm the involvement of aerial organs on root ABA accumulation. Disruption of basipetal transport reduced ABA accumulation in roots and this decrease was more severe after two consecutive WS periods. This effect was linked to a sharp decrease in the ?-? carotenoid pool in roots in response to water deficit. Significant levels of isotope-labelled ABA were transported from leaves to roots, mainly in plants subjected to water dehydration. Furthermore, the use of different ABA-deficient tomato mutants in reciprocal grafting combinations with wild-type genotypes confirmed the involvement of aerial organs in the ABA accumulation in roots. In conclusion, accumulation of ABA in roots after long-term WS periods largely relies on the aerial organs suggesting a reduced ability of the roots to synthesize ABA from carotenoids. Furthermore, plants are able to basipetally transport ABA to sustain high hormone levels in roots.
© The Author 2015. Published by Oxfo... Presentar Todo |
Palabras claves : |
ABA-GE; BASIPETAL TRANSPORT; CAROTENOIDS; DROUGHT; GIRDING; WATER DEFICIT. |
Asunto categoría : |
-- |
Marc : |
LEADER 02528naa a2200289 a 4500 001 1053961 005 2016-05-23 008 2015 bl uuuu u00u1 u #d 022 $aOnline ISSN 1471-9053 - Print ISSN 0032-0781 024 7 $a10.1093/pcp/pcv161$2DOI 100 1 $aMANZI, M. 245 $aRoot ABA accumulation in long-term water-stressed plants is sustained by hormone transport from aerial organs.$h[electronic resource] 260 $c2015 500 $aReceived July 24, 2015. Accepted October 22, 2015. First published online: November 4, 2015 520 $aABSTRACT. The reduced pool of the abscisic acid (ABA) precursors, ?-? carotenoids, in roots does not account for the substantial increase of ABA content in response to water stress (WS) conditions, suggesting that ABA could be transported from other organs. Basipetal transport was interrupted by stem-girdling and ABA levels were determined in roots after two cycles of WS induced by transplanting plants to dry perlite. Leaf applications of isotope-labelled ABA and reciprocal grafting of ABA-deficient tomato mutants were used to confirm the involvement of aerial organs on root ABA accumulation. Disruption of basipetal transport reduced ABA accumulation in roots and this decrease was more severe after two consecutive WS periods. This effect was linked to a sharp decrease in the ?-? carotenoid pool in roots in response to water deficit. Significant levels of isotope-labelled ABA were transported from leaves to roots, mainly in plants subjected to water dehydration. Furthermore, the use of different ABA-deficient tomato mutants in reciprocal grafting combinations with wild-type genotypes confirmed the involvement of aerial organs in the ABA accumulation in roots. In conclusion, accumulation of ABA in roots after long-term WS periods largely relies on the aerial organs suggesting a reduced ability of the roots to synthesize ABA from carotenoids. Furthermore, plants are able to basipetally transport ABA to sustain high hormone levels in roots. © The Author 2015. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. 653 $aABA-GE 653 $aBASIPETAL TRANSPORT 653 $aCAROTENOIDS 653 $aDROUGHT 653 $aGIRDING 653 $aWATER DEFICIT 700 1 $aLADO, J. 700 1 $aRODRIGO, M.J. 700 1 $aZACARÍAS, L. 700 1 $aARBONA, V. 700 1 $aGÓMEZ-CADENAS, A. 773 $tPlant and Cell Physiology, 2015$gv. 56, no.12, p. 2457-2466.
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INIA Las Brujas (LB) |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
27/01/2021 |
Actualizado : |
27/01/2021 |
Tipo de producción científica : |
Folletos |
Autor : |
MGAP/ DGSA (DIRECCIÓN GENERAL DE SERVICIOS AGRICOLAS); MGAP/ DIGEGRA (DIRECCIÓN GENERAL DE LA GRANJA, EX-JUNAGRA); INIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA); UNIVERSIDAD DE LA REPÚBLICA (UDELAR)/ FACULTAD DE AGRONOMÍA |
Título : |
Programa de manejo regional de lepidópteros plaga de frutales de hoja caduca. [folleto] |
Fecha de publicación : |
2018 |
Fuente / Imprenta : |
Montevideo (UY): MGAP, INIA, 2018. |
Páginas : |
6 p. |
Idioma : |
Español |
Notas : |
Contacto del Programa Regional de Plagas: manejoregionalplagas@gmail.com |
Contenido : |
En función de los niveles de daño que pueden llegar a causar carpocapsa y/o grafolita, se plantea como objetivo de este plan sanitario, disminuir las poblaciones de estas plagas que permanecieron durante el invierno en los cultivos frutícolas.
El éxito de estre programa sanitario depende: de la instalación en fecha de las feromonas y las trampas; de la correcta instalación de las feromonas y las trampas; de la correcta calibración de su equipo de aplicación y del cálculo de dosis. |
Palabras claves : |
MANEJO REGIONAL DE PLAGAS. |
Thesagro : |
FRUTALES; GRAFOLITA; LEPIDOPTERA; MANEJO DE PLAGAS. |
Asunto categoría : |
H10 Plagas de las plantas |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/14944/1/2018-Manejo-regional-de-plagas-en-frutales.pdf
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Marc : |
LEADER 01373nam a2200229 a 4500 001 1061685 005 2021-01-27 008 2018 bl uuuu u0uu1 u #d 100 1 $aMGAP/ DGSA (DIRECCIÓN GENERAL DE SERVICIOS AGRICOLAS) 245 $aPrograma de manejo regional de lepidópteros plaga de frutales de hoja caduca. [folleto]$h[electronic resource] 260 $aMontevideo (UY): MGAP, INIA$c2018 300 $a6 p. 500 $aContacto del Programa Regional de Plagas: manejoregionalplagas@gmail.com 520 $aEn función de los niveles de daño que pueden llegar a causar carpocapsa y/o grafolita, se plantea como objetivo de este plan sanitario, disminuir las poblaciones de estas plagas que permanecieron durante el invierno en los cultivos frutícolas. El éxito de estre programa sanitario depende: de la instalación en fecha de las feromonas y las trampas; de la correcta instalación de las feromonas y las trampas; de la correcta calibración de su equipo de aplicación y del cálculo de dosis. 650 $aFRUTALES 650 $aGRAFOLITA 650 $aLEPIDOPTERA 650 $aMANEJO DE PLAGAS 653 $aMANEJO REGIONAL DE PLAGAS 700 1 $aMGAP/ DIGEGRA (DIRECCIÓN GENERAL DE LA GRANJA, EX-JUNAGRA) 700 1 $aINIA (INSTITUTO NACIONAL DE INVESTIGACIÓN AGROPECUARIA) 700 1 $aUNIVERSIDAD DE LA REPÚBLICA (UDELAR)/ FACULTAD DE AGRONOMÍA
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