{"id":137638,"date":"2026-01-12T17:07:09","date_gmt":"2026-01-12T17:07:09","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/germinacion-de-semillas-deterioradas-de-girasol-helianthus-annuus-l\/"},"modified":"2026-01-12T17:07:09","modified_gmt":"2026-01-12T17:07:09","slug":"germinacion-de-semillas-deterioradas-de-girasol-helianthus-annuus-l","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/germinacion-de-semillas-deterioradas-de-girasol-helianthus-annuus-l\/","title":{"rendered":"\u00abgerminacion de semillas deterioradas de girasol (helianthus annuus l.)\u00bb"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Cardoso Ribeiro M. Clarete <\/strong><\/h2>\n<p>A partir aquenios de girasol (heliathus annuus l; cv.  \u00abtoledo 2\u00bb) se ha estudiado su morfolog\u00eda (peso, tama\u00f1o y superficie) y la estructura anatomica al microscopio electronico de barrido (\u00abscanning\u00bb), lo que ha permitido relacionar algunos parametros morfologicos de los aquenios con la germinacion que presentan bajo condiciones estandar de germinacion (20\/30 c con 8 horas diarias de iluminacion a 30 c). La eliminacion de una parte de los aquenios presentes en el capitulo, el sombreado de una parte del mismo y la incubacion de los aquenios a lo largo de distintos estados de desarrollo en presencia o ausencia de acido giberelico (500 ml\/l), ha permitido poner de manifiesto la existencia de latencia cuando los aquenios alcanzan humedad inferior a 30%. El deterioro mecanico, manual, calor seco, calor mediante microondas y radiacion uv-c, ha permitido relacionar los diferentes tipos de anormalidades que presentan las semillas o plantulas en condiciones estandar de germinacion. La ce fue medida por un analizador automatico de semillas (asac-1000). El envejecimiento acelerado a temperatura constante (30-45 c) y alta humedad relativa (86-92%) durante 56 dias, ha permitido establecer por primera vez en semillas de girasol los parametros del modelo de ellis  roberts (1981) que sirve para estimar la perdida de viabilidad. Las constantes son las siguientes: ke= 2.26, cw= 3.32, ch= -0.173, cq= 0.004.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>\u00abgerminacion de semillas deterioradas de girasol (helianthus annuus l.)\u00bb<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 \u00abgerminacion de semillas deterioradas de girasol (helianthus annuus l.)\u00bb <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Cardoso Ribeiro M. Clarete <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 01\/01\/1991<\/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> Duran Altisent Jos\u00e9 M.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Pedro Urbano Terr\u00f3n <\/li>\n<li>Eduardo Sobrino Vesperinas (vocal)<\/li>\n<li> Mateo Box Jos\u00e9 M. (vocal)<\/li>\n<li>Margarita Torres Mu\u00f1oz (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Cardoso Ribeiro M. Clarete A partir aquenios de girasol (heliathus annuus l; cv. \u00abtoledo 2\u00bb) se ha [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[509,494,16008,12179],"tags":[252213,16314,67225,97253,41069,16217],"class_list":["post-137638","post","type-post","status-publish","format-standard","hentry","category-agronomia","category-ciencias-agrarias","category-politecnica-de-madrid","category-semillas","tag-cardoso-ribeiro-m-clarete","tag-duran-altisent-jose-m","tag-eduardo-sobrino-vesperinas","tag-margarita-torres-munoz","tag-mateo-box-jose-m","tag-pedro-urbano-terron"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/137638","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=137638"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/137638\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=137638"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=137638"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=137638"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}