{"id":33108,"date":"2018-03-09T09:30:04","date_gmt":"2018-03-09T09:30:04","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/identificacion-y-caracterizacion-de-la-resistencia-a-jopo-orobanche-cernua-de-girasol\/"},"modified":"2018-03-09T09:30:04","modified_gmt":"2018-03-09T09:30:04","slug":"identificacion-y-caracterizacion-de-la-resistencia-a-jopo-orobanche-cernua-de-girasol","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/identificacion-y-caracterizacion-de-la-resistencia-a-jopo-orobanche-cernua-de-girasol\/","title":{"rendered":"Identificaci\u00f3n y caracterizaci\u00f3n de la resistencia a jopo (orobanche cernua) de girasol"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Sukmo Serenella <\/strong><\/h2>\n<p>El jopo (orobanche cernua loefl) es uno de los principales problemas del cultivo de girasol en espa\u00f1a. Los objetivos que nos hemos planteado al realizar esta tesis doctoral han sido:  1,- identificar y seleccionar germplasma de girasol resistente a poblaciones espa\u00f1olas de jopo de mayor virulencia a partir de colecciones de germoplasma de especies de girasol silvestre y cultivadas, caracterizando al n\u00famero de genes implicados en la resistencia.  2,- estudiar el tipo de herencia de la resistencia econtrada en las diferentes fuentes y su alelismo.  3,- estudiar, en condiciones ambientales controladas, el efecto de la temperatura en la interacci\u00f3n cultivar de girasol-poblaci\u00f3n de jopo. Los resultados mostraron que a\u00fan cuando un gen mayor dominante confiere la resistencia en estas lineas cultivadas a la poblaci\u00f3n se194 de o. Cernua, la herencia de esta resistencia parece ser m\u00e1s compleja, pudiendo ocurrir que o bien genes adicionales a or5 o alelos de este gen existan en las lineas jd-6 y w-14 condicionando la resistencia a otras razas m\u00e1s virulentas. de los resultados de produci\u00f3n de semillas de cruzamientos interespec\u00edficos y retrocruces y la resistencia en generaciones avanzadas de retrocruzamiento, se concluye que es posible transferir al girasol cultivado genes de resistencia a jopo presente en especies silvestres perennes con tres grados de ploidia y en la especie h.Exilis. La interacci\u00f3n entre genotipo de girasol y q.Cernua parece, compleja. En nuestro estudio, se vi\u00f3 dr\u00e1sticamente inhibida la infecci\u00f3n por temperaturas de 27\u00c2\u00bac., Pero las mismas lineas de girasol mostraron respuestas diferentes a diferentes temperaturas con diferentes poblaciones de o.Cernua.<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Identificaci\u00f3n y caracterizaci\u00f3n de la resistencia a jopo (orobanche cernua) de girasol<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Identificaci\u00f3n y caracterizaci\u00f3n de la resistencia a jopo (orobanche cernua) de girasol <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Sukmo Serenella <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 14\/10\/1997<\/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>Jose Mart\u00ednez Fern\u00e1ndez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: rafael Gimenez d\u00edaz <\/li>\n<li>Rafael Gonzalez torres (vocal)<\/li>\n<li>Antonio Refoyo piriz (vocal)<\/li>\n<li>Juan Gil ligero (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Sukmo Serenella El jopo (orobanche cernua loefl) es uno de los principales problemas del cultivo de girasol [&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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