{"id":70947,"date":"2018-03-09T23:15:29","date_gmt":"2018-03-09T23:15:29","guid":{"rendered":""},"modified":"2018-03-09T23:15:29","modified_gmt":"2018-03-09T23:15:29","slug":"dispersal-pattern-of-durum-wheat-acrossthe-mediterranean-region-based-on-the-genetic-relationships-between-landraces-of-different-geographical-origins-implications-on-yield-formation-strategies","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-de-la-vida\/dispersal-pattern-of-durum-wheat-acrossthe-mediterranean-region-based-on-the-genetic-relationships-between-landraces-of-different-geographical-origins-implications-on-yield-formation-strategies\/","title":{"rendered":"Dispersal pattern of durum wheat acrossthe mediterranean region based on the genetic relationships between landraces of different geographical origins. implications on yield formation strategies"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Marcos Moragues Canela <\/strong><\/h2>\n<p>Recientemente, se ha resaltado la importancia de la conservaci\u00f3n de los recursos fitogen\u00e9ticos debido a que la reducida base gen\u00e9tica de las variedades modernas puede conllevar la p\u00e9rdida de genes de valor adaptativo y de calidad. el trigo duro (triticum turgidum l. Var. Durum) es un cultivo estrat\u00e9gico en la cuenca mediterr\u00e1nea, pero faltan estudios que eval\u00faen su diversidad gen\u00e9tica. En una colecci\u00f3n de 63 cultivares tradicionales de diferentes pa\u00edses del mediterr\u00e1neo se estim\u00f3 la diversidad, las relaciones gen\u00e9ticas entre cultivares y su implicaci\u00f3n en la formaci\u00f3n del rendimiento. Se usaron tres tipos de marcadores [gluteninas, amplified fragment length polymorphism (aflp) y microsat\u00e9lites (single sequence repeats, ssr)] para determinar la diversidad total as\u00ed como la de cuatro zona geogr\u00e1ficas dentro de la cuenca mediterr\u00e1nea: suroeste de europa, norte de \u00e1frica, sureste de europa y suroeste de asia. Se llevaron a cabo tres ensayos de campo en condiciones de secano para determinar las diferencias en fenolog\u00eda, formaci\u00f3n del rendimiento y acumulaci\u00f3n de biomasa.  los \u00edndices de diversidad (d y pic) para el conjunto de cultivares revel\u00f3 niveles similares de diversidad presente en variedades modernas y antiguas de trigo duro. Para las gluteninas, la d total present\u00f3 un rango entre 0,49 y 0,77, con un promedio de 0,67. Para los aflps, el pic fue de 0,24, siendo los valores m\u00e1ximo y m\u00ednimo 0,32 y 0,22, respectivamente. En cuanto a los ssrs, el promedio, m\u00e1ximo y m\u00ednimo fueron 0,70, 0,89 y 0,34, respectivamente.  los aflps y ssrs mostraron dos v\u00edas de expansi\u00f3n del trigo duro a trav\u00e9s de la cuenca mediterr\u00e1nea, una por su cara norte y la otra a lo largo de la costa sur. Las relaciones entre grupos de cultivares de or\u00edgenes distintos sobre la base de las frecuencias al\u00e9licas de gluteninas y las relaciones gen\u00e9ticas entre cultivares evaluadas con aflps y ssrs sugirieron dos v\u00edas de introducci\u00f3n del trig<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Dispersal pattern of durum wheat acrossthe mediterranean region based on the genetic relationships between landraces of different geographical origins. implications on yield formation strategies<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Dispersal pattern of durum wheat acrossthe mediterranean region based on the genetic relationships between landraces of different geographical origins. implications on yield formation strategies <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Marcos Moragues Canela <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Lleida<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/10\/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>Conxita Royo Calpe<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: ignacio Romagosa clariana <\/li>\n<li> Ru\u00edz valc\u00e1rcel M\u00aa magdalena (vocal)<\/li>\n<li>Jos\u00e9 M\u00aa Carrillo becerril (vocal)<\/li>\n<li>Luis Fernando Garcia del moral garrido (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Marcos Moragues Canela Recientemente, se ha resaltado la importancia de la conservaci\u00f3n de los recursos fitogen\u00e9ticos debido [&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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