{"id":64117,"date":"2018-03-09T22:52:08","date_gmt":"2018-03-09T22:52:08","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/interaccion-de-giberelinas-y-auxinas-en-la-fructificacion-del-tomate\/"},"modified":"2018-03-09T22:52:08","modified_gmt":"2018-03-09T22:52:08","slug":"interaccion-de-giberelinas-y-auxinas-en-la-fructificacion-del-tomate","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/biologia-celular\/interaccion-de-giberelinas-y-auxinas-en-la-fructificacion-del-tomate\/","title":{"rendered":"Interacci\u00f3n de giberelinas y auxinas en la fructificaci\u00f3n del tomate."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Serrani Yarce Juan  Carlos <\/strong><\/h2>\n<p>El efecto de la aplicaci\u00f3n de giberelinas (gas) y auxinas durante la fructificaci\u00f3n y desarrollo del fruto, ha sido investigado en tomate (solanum lycopersicum l.) Cv micro-tom. Los resultados indican que constituye un sistema adecuado para el estudio de la regulaci\u00f3n hormonal en tomate. Para evitar la competencia entre frutos dentro del mismo racimo, solo un fruto por racimo y hasta dos racimos por planta se utilizaron en los experimentos. Ovarios no polinizados (emasculados) se desarrollaron partenoc\u00e1rpicamente en respuesta a la aplicaci\u00f3n de ga3 > ga1 = ga4 > ga20, aunque no de ga19, y de diferentes auxinas tales como los \u00e1cidos indolac\u00e9tico (iaa), naftalenac\u00e9tico (naa) y 2,4-diclorofenoxiac\u00e9tico (2,4-d), siendo este \u00faltimo el m\u00e1s eficiente. La morfolog\u00eda de los frutos inducidos por auxinas y giberelinas es diferente. En los frutos tratados con ga3 el tejido locular se desarrolla pobremente dejando las cavidades loculares vac\u00edas, mientras que los frutos tratados con 2,4-d presentan pseudoembriones y cavidades loculares llenas. A nivel interno, el ga3 indujo c\u00e9lulas de mayor tama\u00f1o en el mesocarpo interno, lo cual estaba correlacionado con un mayor nivel de ploid\u00eda (mayor mcv, mean c value), mientras el 2,4-d favoreci\u00f3 las divisiones celulares, por lo que el n\u00famero de capas celulares en el pericarpo fue superior al tratamiento con ga3 y al polinizado. Los frutos polinizados tuvieron un mayor tama\u00f1o y peso que los frutos inducidos con ga3 aunque ambos fueron m\u00e1s peque\u00f1os y de menor peso que los tratados con 2,4-d. El grosor del pericarpo de los frutos inducidos con ga3 y 2,4-d no mostr\u00f3 diferencias hasta 20 d\u00edas despu\u00e9s de antesis, por lo que el tener menos c\u00e9lulas en el pericarpo (frutos inducidos con ga3) podr\u00eda ser compensado teniendo un mayor tama\u00f1o celular. El uso de inhibidores de bios\u00edntesis de gas tales como el pablobutrazol (pcb) y lab 198999 disminuy\u00f3 la fructificaci\u00f3n y desarrollo del fruto, efecto revertido con la aplicaci<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Interacci\u00f3n de giberelinas y auxinas en la fructificaci\u00f3n del tomate.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Interacci\u00f3n de giberelinas y auxinas en la fructificaci\u00f3n del tomate. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Serrani Yarce Juan  Carlos <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 22\/04\/2008<\/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: Juan Carbonell gisbert <\/li>\n<li>pedro Carrasco sorl\u00ed (vocal)<\/li>\n<li>Jaime Martinez garcia (vocal)<\/li>\n<li>lorenzo Zacarias garcia (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Serrani Yarce Juan Carlos El efecto de la aplicaci\u00f3n de giberelinas (gas) y auxinas durante la fructificaci\u00f3n [&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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