{"id":138368,"date":"2026-01-12T17:34:52","date_gmt":"2026-01-12T17:34:52","guid":{"rendered":""},"modified":"2026-01-12T17:34:52","modified_gmt":"2026-01-12T17:34:52","slug":"estudio-comparativo-de-los-efectos-de-distintos-tratamientos-de-estres-hidrico-en-hojas-de-fatsia-japonica-sobre-la-ultraestructura-y-los-niveles-de-acido-abscisico-y-de-acido-indolacetico-influencia","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-comparativo-de-los-efectos-de-distintos-tratamientos-de-estres-hidrico-en-hojas-de-fatsia-japonica-sobre-la-ultraestructura-y-los-niveles-de-acido-abscisico-y-de-acido-indolacetico-influencia\/","title":{"rendered":"Estudio comparativo de los efectos de distintos tratamientos de estres hidrico en hojas de fatsia japonica sobre la ultraestructura y los niveles de acido abscisico y de acido indolacetico. influencia de la aplicacion externa de aba."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Marta Lopez Carbonell <\/strong><\/h2>\n<p>Se han comparado los efectos producidos por falta de riego y por aplicacion de polietilenglicol. A nivel ultraestructural la falta de riego origina acumulacion de almidon en cloroplastos y plasmolisis celular, asi como un aumento de acido absasico (aba) y descenso de acido indolacetico (iaa) a nivel hormonal. La aplicacion de soluciones de polietilenglicol (peg) da lugar a acumulacion cuerpos lipidicos, plasmorisis y alteracion de cloroplastos, mitocondrias, dictiosomas y nucleo celular. Los niveles de aba son muy superiores a los obtenidos en situacion de falta de agua y muestran una clara relacion con los potenciales hidricos de las hojas y la ontogenia de las mismas. Los niveles de acido indolacetico son similares a los obtenidos por falta de agua, pero las plantas bien regadas muestran una fluctuacion diurna de esta hormona. Posteriormente se realizaron ensayos sobre los fenomenos de senescencia foliar mediante la aplicacion de aba y de cloruro calcico.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio comparativo de los efectos de distintos tratamientos de estres hidrico en hojas de fatsia japonica sobre la ultraestructura y los niveles de acido abscisico y de acido indolacetico. influencia de la aplicacion externa de aba.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio comparativo de los efectos de distintos tratamientos de estres hidrico en hojas de fatsia japonica sobre la ultraestructura y los niveles de acido abscisico y de acido indolacetico. influencia de la aplicacion externa de aba. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Marta Lopez Carbonell <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Barcelona<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1992<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h3>Direcci\u00f3n y tribunal<\/h3>\n<ul>\n<li><strong>Director de la tesis<\/strong>\n<ul>\n<li>Leonor Alegre Batlle<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Esther Simon Martinez <\/li>\n<li>Montserrat Pages Torrens (vocal)<\/li>\n<li>Joan Barcelo (vocal)<\/li>\n<li>Harry Van Onckelen (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marta Lopez Carbonell Se han comparado los efectos producidos por falta de riego y por aplicacion de [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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