{"id":50031,"date":"2021-06-06T20:36:59","date_gmt":"2021-06-06T20:36:59","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-del-transporte-xilematico-y-de-la-acumulacion-y-movilizacion-foliar-de-nitrogeno-en-el-naranjo\/"},"modified":"2021-06-06T20:36:59","modified_gmt":"2021-06-06T20:36:59","slug":"estudio-del-transporte-xilematico-y-de-la-acumulacion-y-movilizacion-foliar-de-nitrogeno-en-el-naranjo","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/estudio-del-transporte-xilematico-y-de-la-acumulacion-y-movilizacion-foliar-de-nitrogeno-en-el-naranjo\/","title":{"rendered":"Estudio del transporte xilematico y de la acumulacion y movilizacion foliar de nitrogeno en el naranjo."},"content":{"rendered":"<h2>Tesis doctoral de <strong> Joaquin Moreno Mari\u00f1o <\/strong><\/h2>\n<p>El estudio del transporte de nitrogeno por el xilema se ha abordado mediante la extraccion y analisis de la savia bruta del naranjo. La fraccion nitrogenada de dicha savia se halla compuesta de aminoacidos ( 95% del n fundamentalmente distribuido entre arginina prolina y asparragina) y  en menor medida  nitratos ( 5%  del n).  experiencias realizadas para conocer el origen de estos compuestos han puesto de manifiesto que asparragina y nitratos representan al nitrogeno de absorcion reciente mientras arginina y prolina parecen proceder del intercambio con  el parenquima que rodea a los vasos del xilema. La acumulacion de reservas de nitrogeno en las hojas afecta tanto a proteinas como aminoacidos. La movilizacion del nitrogeno proteico parece asociada al proceso de senescencia foliar produciendose una hidrolisis proteica generalizada  dentro de la cual la subunidad mayor de la ribulosa 1 5 bifosfato carborilasa aparece como especialmente movil. La prolina es la forma principal de reserva de nitrogeno dentro de la fraccion de aminoacidos libres. Dicho aminoacido se acumula en invierno en un proceso presuntamente relacionado con el mecanismo de defensa de la planta del frio.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio del transporte xilematico y de la acumulacion y movilizacion foliar de nitrogeno en el naranjo.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio del transporte xilematico y de la acumulacion y movilizacion foliar de nitrogeno en el naranjo. <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Joaquin Moreno Mari\u00f1o <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Universitat de val\u00e9ncia (estudi general)<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1982<\/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>Jos\u00e9 Luis Garc\u00eda Mart\u00ednez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Luis Franco Vera <\/li>\n<li>Ester Simon Martinez (vocal)<\/li>\n<li>Jos\u00e9 Mansanet Mansanet (vocal)<\/li>\n<li>Pascual Cu\u00f1at Broseta (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Joaquin Moreno Mari\u00f1o El estudio del transporte de nitrogeno por el xilema se ha abordado mediante la [&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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