{"id":20493,"date":"2002-12-12T00:00:00","date_gmt":"2002-12-12T00:00:00","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/factores-que-determinan-el-desarrollo-de-la-raa%c2%adz-rozada-de-la-cebolla-allium-cepa-l-causada-por-pyrenochaeta-terrestris-hansen-gorenz-walker-et-larson\/"},"modified":"2002-12-12T00:00:00","modified_gmt":"2002-12-12T00:00:00","slug":"factores-que-determinan-el-desarrollo-de-la-raa%c2%adz-rozada-de-la-cebolla-allium-cepa-l-causada-por-pyrenochaeta-terrestris-hansen-gorenz-walker-et-larson","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/factores-que-determinan-el-desarrollo-de-la-raa%c2%adz-rozada-de-la-cebolla-allium-cepa-l-causada-por-pyrenochaeta-terrestris-hansen-gorenz-walker-et-larson\/","title":{"rendered":"Factores que determinan el desarrollo de la \u00abra\u00edz rozada\u00bb de la cebolla (allium cepa l.) causada por pyrenochaeta terrestris (hansen) gorenz, walker et larson"},"content":{"rendered":"<h2>Tesis doctoral de <strong>  Alburquerque Maranhao Eduardo Henrique <\/strong><\/h2>\n<p>El cultivo de la cebolla (alliun cepa l.) Est\u00e1 sujeto al ataque por numerosas enfermedades de diversa etiolog\u00eda, incluyendo hongos, bacterias, virus y nematodos.  entre las enfermedades f\u00fangicas destaca la ra\u00edz rozada, causada por el hongo del suelo pyrenochaeta terrestris, que afecta extensivamente a los cultivos en regiones de clima c\u00e1lido y es especialmente severa en climas tropicales y subtropicales y tiene el potencial para incidir de forma importante en cultivos de las latitudes m\u00e1s bajas como la regi\u00f3n mediterr\u00e1nea occidental.  los objetivos de esta tesis doctoral han sido:  1,- determinar la etiolog\u00eda de la ra\u00edz rozada y ecolog\u00eda de p.Terrestris.  2,- determinar el efecto de componentes ambientales y del pat\u00f3geno sobre el desarrollo de la ra\u00edz rozada.  3,- determinar la reacci\u00f3n de genotipos de cebolla a la infecci\u00f3n por aislados de p.Terrestris.  la metodolog\u00eda desarrollada permiti\u00f3 el aislamiento consistente y reproducible de p.Terrestris de ra\u00edces de cebolla afectada por ra\u00edz rosada, resultando en la obtenci\u00f3n de cultivos puros del hongo de muestras de ra\u00edces sintom\u00e1ticas. el crecimiento radial in vitro de p.Terrestris y el n\u00famero de picnidios desarrollados, estuvieron determinados por el medio de cultivo y la naturaleza del aislado del pat\u00f3geno. Aw y ahmz difco(r) permitieron un crecimiento miceliar m\u00e1s extenso y ahav proporcion\u00f3 la mayor y menor formaci\u00f3n de picnidios.  el m\u00e9todo de inoculaci\u00f3n de plantas de cebolla con fragmentos de micelio del pat\u00f3geno liofilizado, contenido en bandejas con 100 ufc\/g de suelo infestado, fue eficiente y reproducible para determinar la patogenicidad y virulencia de los aislados sobre genotipos de cebolla.  los aislados de p.Terrestris estudiados, procedentes de espa\u00f1a, brasil y estados unidos, difirieron ampliamente en su capacidad patog\u00e9ncia, siendo pt-9905 (ee:uu.), Y pt-9908, pt-0002, pt-0003 y pt-0005 (regi\u00f3n nordeste de brasil) los aislados m\u00e1s v<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Factores que determinan el desarrollo de la \u00abra\u00edz rozada\u00bb de la cebolla (allium cepa l.) causada por pyrenochaeta terrestris (hansen) gorenz, walker et larson<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Factores que determinan el desarrollo de la \u00abra\u00edz rozada\u00bb de la cebolla (allium cepa l.) causada por pyrenochaeta terrestris (hansen) gorenz, walker et larson <\/li>\n<li><strong>Autor:<\/strong>\u00a0  Alburquerque Maranhao Eduardo Henrique <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 C\u00f3rdoba<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 12\/12\/2002<\/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> Navas Cort\u00e9s Juan  A.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: c\u00e1ndido Santiago \u00e1lvarez <\/li>\n<li>Jos\u00e9 Garc\u00eda jim\u00e9nez (vocal)<\/li>\n<li>pablo Castillo castillo (vocal)<\/li>\n<li>enrique Monte vazquez (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Alburquerque Maranhao Eduardo Henrique El cultivo de la cebolla (alliun cepa l.) Est\u00e1 sujeto al ataque por [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"footnotes":""},"categories":[494,8838,973,5220,7840],"tags":[62330,1998,9572,20717,62331,51074],"class_list":["post-20493","post","type-post","status-publish","format-standard","hentry","category-ciencias-agrarias","category-control-biologico-de-enfermedades-de-las-plantas","category-cordoba","category-fitopatologia-agricola","category-hongos","tag-alburquerque-maranhao-eduardo-henrique","tag-candido-santiago-alvarez","tag-enrique-monte-vazquez","tag-jose-garcia-jimenez","tag-navas-cortes-juan-a","tag-pablo-castillo-castillo"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/20493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/comments?post=20493"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/20493\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=20493"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=20493"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=20493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}