{"id":70392,"date":"2018-03-09T23:14:55","date_gmt":"2018-03-09T23:14:55","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/seleccion-de-grandes-produciones-de-fruto-de-pinus-pinea-l-en-la-meseta-norte\/"},"modified":"2018-03-09T23:14:55","modified_gmt":"2018-03-09T23:14:55","slug":"seleccion-de-grandes-produciones-de-fruto-de-pinus-pinea-l-en-la-meseta-norte","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/politecnica-de-madrid\/seleccion-de-grandes-produciones-de-fruto-de-pinus-pinea-l-en-la-meseta-norte\/","title":{"rendered":"Selecci\u00f3n de grandes produciones de fruto de pinus pinea l.en la meseta norte."},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Gordo Alonso Francisco Javier <\/strong><\/h2>\n<p>Se presentan los trabajos de selecci\u00f3n masal de grandes productores de fruto de pinus pinea l.En la regi\u00f3n de procedencia meseta norte. Dichas actuaciones se enmarcan dentro del programa de majora gen\u00e9tica en castilla y le\u00f3n, que pretende ofrecer una alternativa a los cultivos agr\u00edcolas marginales de la regi\u00f3n mediante su destino a plantaciones clonales de grandes productores.  se  ha analizado durante 40 a\u00f1os la variaci\u00f3n interanual productiva de pi\u00f1a en 58 montes p\u00fablicos de la provincia de valladolid, con una superficie productiva de 16000 ha. Para las cosechas ocurridas -7 malas ,10 regulares ,8 normales y 7excelentes -no se ha encontrado ning\u00fan ciclo fijo de vecer\u00eda que justifique las variaciones con respecto a una productividad media de 198 kg\/ha.El modelo de regrasi\u00f3n establecido explica un 58 oir cuebti de la produci\u00f3n , atribuyendo  un 46 por ciento a factores externos-en particular la suma de precipitaciones de enero a mayo del a\u00f1ode la floraci\u00f3n -y el resto a la carga de pi\u00f1a en el momento de la inducci\u00f3n floral.El ajuste de las frecuencias de las cosechas a una funci\u00f3n de distribuci\u00f3n exponencial permite estimar su tiempo de retorno, con el que se fij\u00f3 la duraci\u00f3n m\u00ednima del proceso de evaluaci\u00f3n de \u00e1rboles candidatos a grandes productores en seis a\u00f1os.  la variaci\u00f3n espacial de la productividad entre montes tambi\u00e9n encuentra cierta explicaci\u00f3n por factores relacionados con las propiedades del suelo, los aportes de agua fr\u00e9atica superficial y las mayores precipitaciones por efecto de la altitud.Por estemotivo la selcci\u00f3n individual de genotipos grandes productores afectuada se ha centrado en los montes con produciones superiores a la media y en rodales homog\u00e9neos que permitan comparar los \u00e1rboles candidatos entre s\u00ed.  la poblaci\u00f3n de base evaluada se ha constituido con 135 \u00e1rboles candidatos, distribuidos en 27 rodales.Para caracterizar su variabilidad individual se ha efectuado un seguimi<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Selecci\u00f3n de grandes produciones de fruto de pinus pinea l.en la meseta norte.<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Selecci\u00f3n de grandes produciones de fruto de pinus pinea l.en la meseta norte. <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Gordo Alonso Francisco Javier <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Madrid<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 27\/09\/2004<\/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>Luis Alfonso Gil S\u00e1nchez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: Jos\u00e9 alberto Pardos  carrion <\/li>\n<li>ricardo Alia miranda (vocal)<\/li>\n<li>Santiago Vignote pe\u00f1a (vocal)<\/li>\n<li>jordi Voltas velasco (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Gordo Alonso Francisco Javier Se presentan los trabajos de selecci\u00f3n masal de grandes productores de fruto de [&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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