{"id":16862,"date":"2018-03-09T09:04:40","date_gmt":"2018-03-09T09:04:40","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/biotecnologa%c2%ada-aplicada-a-la-mejora-de-pelargonium\/"},"modified":"2018-03-09T09:04:40","modified_gmt":"2018-03-09T09:04:40","slug":"biotecnologa%c2%ada-aplicada-a-la-mejora-de-pelargonium","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/biotecnologa%c2%ada-aplicada-a-la-mejora-de-pelargonium\/","title":{"rendered":"Biotecnolog\u00eda aplicada a la mejora de pelargonium"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mercedes Alonso G\u00f3mez <\/strong><\/h2>\n<p>El trabajo se ha centrado en el g\u00e9nero pelargonium y en especial en el gerario zonal (pelargonium x hortorum bailey) debido al inter\u00e9s de esta planta como ornamental y a la disminuci\u00f3n de la diversidad gen\u00e9tica de esta especie debido al ataque masivo que est\u00e1 sufriendo por el taladro del geranio (cacyreus marshalii butler) en toda la pen\u00ednsula y baleares.  la p\u00e9rdida de los explantes iniciales debido a la oxidaci\u00f3n fen\u00f3lica se ha reducido lavando el material vegetal con una soluci\u00f3n antioxidante despu\u00e9s de su esterilizaci\u00f3n y antes de su introducci\u00f3n in vitro, se ha a\u00f1adido al medio de cultivo un producto antioxidante (l-cysteina) y se han cultivado los explantes en la oscuridad durante la primera semana en las c\u00e1maras de cultivo.  tambi\u00e9n se ha obtenido regeneraci\u00f3n de plantas mediante embriog\u00e9nesis som\u00e1tica utilizando como explantes ra\u00edces, cotiledones e hipocotilos de semillas germinadas in vitro. Los reguladores de crecimiento utilizados para la regeneraci\u00f3n a partir de estos explantes y la forma de regeneraci\u00f3n ha producido variaciones gen\u00e9ticas, no siempre deseables, pero que nos ha permitido desarrollar nuevas variedades debido al cambio de color de la flor y a una duplicaci\u00f3n cromos\u00f3mica.  se han obtenido plantas a partir de yemas laterales, hojas y pecicolos de plantas procedentes del invernadero y se ha puesto a punto la multiplicaci\u00f3n a partir de explantes de plantas establecidas in vitro a partir de peciolos, hojas, yemas laterales y ra\u00edces. Se han estudiado 46 medios de regeneraci\u00f3n para las plantas procedentes de invernadero. Los medios de cultivo consistieron en medio base ls con una combinaci\u00f3n de 0; 0,1; 1 y 10 mg\/l de las auxinas aia con las citoquininas bap y kin. El mayor n\u00famero de pl\u00e1ntulas se obtuvo con una combinaci\u00f3n de 10 mg\/l de bap y 1mg\/l de ana.  para la determinaci\u00f3n de los medios de cultivo de los explantes procedentes de plantas cultivadas in vitro y bas\u00e1ndonos en los re<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biotecnolog\u00eda aplicada a la mejora de pelargonium<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biotecnolog\u00eda aplicada a la mejora de pelargonium <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mercedes Alonso G\u00f3mez <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Complutense de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/05\/2002<\/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>Maris\u00e9 Borja Tom\u00e9<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Juan  ramon Lacadena  calero <\/li>\n<li>c\u00e9sar P\u00e9rez ruiz (vocal)<\/li>\n<li>vicente Moreno ferrero (vocal)<\/li>\n<li>alan Cassells (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mercedes Alonso G\u00f3mez El trabajo se ha centrado en el g\u00e9nero pelargonium y en especial en el [&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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