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 | Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
21/02/2014 |
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Actualizado : |
09/10/2019 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
RIVAS, F.; FORNES, F.; RODRIGO, M.J.; ZACARÍAS, L.; AGUSTÍ, M. |
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Afiliación : |
CARLOS FERNANDO RIVAS GRELA, Instituto Nacional de Investigación Agropecuaria (INIA), Uruguay. |
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Título : |
Changes in carotenoids and ABA content in Citrus leaves in response to girdling. |
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Fecha de publicación : |
2011 |
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Fuente / Imprenta : |
Scientia Horticulturae, 2011, v.127, no.4, p.482-487. |
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ISSN : |
0304-4238 |
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DOI : |
10.1016/j.scienta.2010.11.010 |
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Idioma : |
Inglés |
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Notas : |
Article history: Received 31 August 2010 / Received in revised form 11 October 2010 / Accepted 9 November 2010. |
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Contenido : |
ABSTRACT.
The effect of girdling on abscisic acid, carotenoids content, xanthophylls cycle and non-photoquemical quenching was studied in leaves from different shoot types of containerized two-year-old 'Loretina' mandarin during spring flush period. Girdling increased abscisic acid in young leaves and decreased it in mature leaves. These changes were accompanied by a significant increase in leaf carotenoids, carotenoids:chlorophylls ratio, xanthophylls and xanthophylls cycle pool size and its de-epoxidation state in vegetative and multiflowered young leafy shoots. However, changes in de-epoxidation state did not correlate with the energy-dependent non-photochemical quenching. The role of carotenoids and abscisic acid as photoprotecting agents during the oxidative stress caused by girdling is discussed. In conclusion, this study provides evidence linking carotenoids-based photoprotecting mechanisms in the response to the stress induced by girdling in Citrus trees.
© 2010 Elsevier B.V. |
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Palabras claves : |
Abscisic acid; Oxidative stress; Photoprotection; Pigments; Xanthophylls cycle. |
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Thesagro : |
ACIDO ABSCISICO; CITRUS. |
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Asunto categoría : |
F01 Cultivo |
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Marc : |
LEADER 01975naa a2200289 a 4500
001 1012829
005 2019-10-09
008 2011 bl uuuu u00u1 u #d
022 $a0304-4238
024 7 $a10.1016/j.scienta.2010.11.010$2DOI
100 1 $aRIVAS, F.
245 $aChanges in carotenoids and ABA content in Citrus leaves in response to girdling.$h[electronic resource]
260 $c2011
500 $aArticle history: Received 31 August 2010 / Received in revised form 11 October 2010 / Accepted 9 November 2010.
520 $aABSTRACT. The effect of girdling on abscisic acid, carotenoids content, xanthophylls cycle and non-photoquemical quenching was studied in leaves from different shoot types of containerized two-year-old 'Loretina' mandarin during spring flush period. Girdling increased abscisic acid in young leaves and decreased it in mature leaves. These changes were accompanied by a significant increase in leaf carotenoids, carotenoids:chlorophylls ratio, xanthophylls and xanthophylls cycle pool size and its de-epoxidation state in vegetative and multiflowered young leafy shoots. However, changes in de-epoxidation state did not correlate with the energy-dependent non-photochemical quenching. The role of carotenoids and abscisic acid as photoprotecting agents during the oxidative stress caused by girdling is discussed. In conclusion, this study provides evidence linking carotenoids-based photoprotecting mechanisms in the response to the stress induced by girdling in Citrus trees. © 2010 Elsevier B.V.
650 $aACIDO ABSCISICO
650 $aCITRUS
653 $aAbscisic acid
653 $aOxidative stress
653 $aPhotoprotection
653 $aPigments
653 $aXanthophylls cycle
700 1 $aFORNES, F.
700 1 $aRODRIGO, M.J.
700 1 $aZACARÍAS, L.
700 1 $aAGUSTÍ, M.
773 $tScientia Horticulturae, 2011$gv.127, no.4, p.482-487.
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