{"id":25149,"date":"2018-03-09T09:16:25","date_gmt":"2018-03-09T09:16:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/biocontrol-de-phytophthora-capsici-en-pimiento-capsicum-annuum-mediante-una-combinacion-de-microorganismos-antagonistas\/"},"modified":"2018-03-09T09:16:25","modified_gmt":"2018-03-09T09:16:25","slug":"biocontrol-de-phytophthora-capsici-en-pimiento-capsicum-annuum-mediante-una-combinacion-de-microorganismos-antagonistas","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/murcia\/biocontrol-de-phytophthora-capsici-en-pimiento-capsicum-annuum-mediante-una-combinacion-de-microorganismos-antagonistas\/","title":{"rendered":"Biocontrol de \u00abphytophthora capsici\u00bb en pimiento (\u00abcapsicum annuum\u00bb) mediante una combinaci\u00f3n de microorganismos antagonistas"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Mohammed Ezziyyani <\/strong><\/h2>\n<p>Con el objetivo de combatir la enfermedad causada por el hongo phytophthora capsici en plantas de pimiento, se han aislado y seleccionado tres microorganismos cuya acci\u00f3n conjunta ha sido capaz de evitar el marchitamiento provocado por la infecci\u00f3n del oomiceto pat\u00f3geno. Los tres microorganismos han sido:  el hongo trichoderma harzianum (cect n\u00c2\u00ba 2413), y las bacterias burkholderia cepacia (cect n\u00c2\u00ba 322) y streptomyces rochei ziyani (aislada por nosotros y patentada en la cect con el n\u00c2\u00ba 3363). Los tres antagonistas seleccionados pertenecen a distintos g\u00e9neros pero cumplen tres requisitos: su acci\u00f3n conjunta interfiere en la supervivencia del pat\u00f3geno, son compatibles entre ellos y no son pat\u00f3genos del pimiento. El m\u00e9todo inicial de selecci\u00f3n ha sido la confrontaci\u00f3n \u00abin vitro\u00bb y en este sistema se han analizado las interacciones entre ellos y frente al pat\u00f3geno, resultando que los tres antagonistas colonizan la rizosfera de la planta y superan al pat\u00f3geno en la competencia por el espacio y por los nutrientes y adem\u00e1s, t.Harzianum y st.R. Ziyani esporulan sobre el pat\u00f3geno y ejercen micoparasitismo arrol\u00e1ndose alrededor de las hifas de p.Capsici y provocando deformaci\u00f3n y lisis por el vertido de enzimas y antibi\u00f3ticos. B.Cepacia produce desintegraci\u00f3n del micelio f\u00fangico. El tratamiento de las semillas de pimiento con la combinaci\u00f3n, increment\u00f3 la germinaci\u00f3n en un 18% y, sobre la planta, t.Harzianum aumenta el peso total y st.R. Ziyani incrementa el color verde y el vigor de las plantas tratadas. El an\u00e1lisis estructural de la colonizaci\u00f3n de la raiz y la rizosfera por los antagonistas inoculados en las semillas, demostr\u00f3 que ejercen un papel sist\u00e9mico en la planta. Las bacterias colonizan las ra\u00edces pero no ascienden hasta las hojas y t.Harzianum penetra en las ra\u00edces hasta la coronilla y crece intracelularmente. Las bacterias se adhieren a las ra\u00edces, se multiplican y crean microcolonias que son barreras contr<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Biocontrol de \u00abphytophthora capsici\u00bb en pimiento (\u00abcapsicum annuum\u00bb) mediante una combinaci\u00f3n de microorganismos antagonistas<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Biocontrol de \u00abphytophthora capsici\u00bb en pimiento (\u00abcapsicum annuum\u00bb) mediante una combinaci\u00f3n de microorganismos antagonistas <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Mohammed Ezziyyani <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Murcia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 30\/07\/2003<\/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> Candela Castillo M. Emilia<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: romualdo Mu\u00f1oz gir\u00f3n <\/li>\n<li>Mar\u00eda  dolores Alcazar fernandez (vocal)<\/li>\n<li>Luis Almela ruiz (vocal)<\/li>\n<li>amelia Sanchez pina (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Mohammed Ezziyyani Con el objetivo de combatir la enfermedad causada por el hongo phytophthora capsici en plantas [&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":[8235],"tags":[73471,8394,8383,51656,73470,8397],"class_list":["post-25149","post","type-post","status-publish","format-standard","hentry","category-murcia","tag-amelia-sanchez-pina","tag-candela-castillo-m-emilia","tag-luis-almela-ruiz","tag-maria-dolores-alcazar-fernandez","tag-mohammed-ezziyyani","tag-romualdo-munoz-giron"],"_links":{"self":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/25149","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=25149"}],"version-history":[{"count":0,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/posts\/25149\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/media?parent=25149"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/categories?post=25149"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.deberes.net\/tesis\/wp-json\/wp\/v2\/tags?post=25149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}