{"id":60136,"date":"2018-03-09T22:47:56","date_gmt":"2018-03-09T22:47:56","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/etiologa%c2%ada-y-control-de-la-mancha-marron-de-los-ca%c2%adtricos-en-espana\/"},"modified":"2018-03-09T22:47:56","modified_gmt":"2018-03-09T22:47:56","slug":"etiologa%c2%ada-y-control-de-la-mancha-marron-de-los-ca%c2%adtricos-en-espana","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/hongos\/etiologa%c2%ada-y-control-de-la-mancha-marron-de-los-ca%c2%adtricos-en-espana\/","title":{"rendered":"Etiolog\u00eda y control de la mancha marr\u00f3n de los c\u00edtricos en espa\u00f1a"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Antonio Vicent Civera <\/strong><\/h2>\n<p>La mancha marr\u00f3n de las mandarinas se detect\u00f3 en espa\u00f1a a finales de 1998, extendi\u00e9ndose r\u00e1pidamente a las principales zonas citr\u00edcolas peninsulares. Hasta la fecha, la mancha marr\u00f3n se ha detectado en fortune, nova y minneola, variedades todas ellas derivadas de la mandarina dancy. La enfermedad causa necrosis en las hojas y defoliaci\u00f3n de los brotes j\u00f3venes. En frutos provoca la aparici\u00f3n de depresiones necr\u00f3ticas en la corteza, que en los frutos j\u00f3venes suelen inducir una abscisi\u00f3n prematura. La presencia de lesiones los deprecia totalmente para su comercializaci\u00f3n en el mercado en fresco, lo que ha provocado cuantiosas p\u00e9rdidas econ\u00f3micas. Los principales per\u00edodos de infecci\u00f3n observados han sido la primavera y el final de verano-oto\u00f1o. Los datos obtenidos a partir de los aislamientos y las pruebas de patogenicidad, han permitido identificar al agente causal de la enfermedad como el patotipo de alternaria alternata que afecta a las mandarinas. las variedades de clementina, satsuma y lim\u00f3n se mostraron en general resistentes a la inoculaci\u00f3n con a. Alternata. Las naranjas mostraron reacciones intermedias. Los h\u00edbridos derivados de la mandarina dancy, los pomelos y los cultivares murcott, emperor, encore y kara-kara fueron susceptibles. Las variedades que se mostraron como resistentes en el estudio, dif\u00edcilmente se ver\u00e1n afectadas por la enfermedad bajo las condiciones de una inoculaci\u00f3n real. Sin embargo, el que una variedad haya desarrollado necrosis en laboratorio no significa necesariamente que vaya a ser susceptible en campo. Se obtuvo una relaci\u00f3n negativa entre la susceptibilidad de los frutos de fortune y su di\u00e1metro. No obstante, los frutos se mostraron susceptibles a la enfermedad durante todas sus fases de desarrollo. los fungicidas mostraron una elevada resistencia al lavado en los experimentos de lluvia artificial. Sin embargo, la mayor\u00eda redujeron notablemente su eficacia sobre frutos de fortune despu\u00e9s de registrarse l<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Etiolog\u00eda y control de la mancha marr\u00f3n de los c\u00edtricos en espa\u00f1a<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Etiolog\u00eda y control de la mancha marr\u00f3n de los c\u00edtricos en espa\u00f1a <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Antonio Vicent Civera <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 20\/07\/2007<\/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 Garc\u00eda Jim\u00e9nez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: manuel Agusti fonfria <\/li>\n<li>Emilio Montesinos segui (vocal)<\/li>\n<li>timmer Lavern wayne (vocal)<\/li>\n<li>Antonio  Jos\u00e9 Trapero casas (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Antonio Vicent Civera La mancha marr\u00f3n de las mandarinas se detect\u00f3 en espa\u00f1a a finales de 1998, [&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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