{"id":18750,"date":"2018-03-09T09:07:25","date_gmt":"2018-03-09T09:07:25","guid":{"rendered":"https:\/\/www.deberes.net\/tesis\/sin-categoria\/estudio-de-la-podredumbre-del-cuello-y-frutos-de-calabaza-causada-por-fusarium-solani-mart-sacc-f-sp-cucurbitae-w-c-snyder-h-n-hans-raza-1\/"},"modified":"2018-03-09T09:07:25","modified_gmt":"2018-03-09T09:07:25","slug":"estudio-de-la-podredumbre-del-cuello-y-frutos-de-calabaza-causada-por-fusarium-solani-mart-sacc-f-sp-cucurbitae-w-c-snyder-h-n-hans-raza-1","status":"publish","type":"post","link":"https:\/\/www.deberes.net\/tesis\/ciencias-agrarias\/estudio-de-la-podredumbre-del-cuello-y-frutos-de-calabaza-causada-por-fusarium-solani-mart-sacc-f-sp-cucurbitae-w-c-snyder-h-n-hans-raza-1\/","title":{"rendered":"Estudio de la podredumbre del cuello y frutos de calabaza causada por fusarium solani (mart.) sacc.f.sp. cucurbitae w.c.snyder &amp; h.n. hans raza 1"},"content":{"rendered":"<h2>Tesis doctoral de <strong> Camilo Miguel Jos\u00e9 <\/strong><\/h2>\n<p>En esta tesis doctoral se presenta el estudio de una nueva enfermedad del cultivo de la calabaza detectada en el comunidad Valenciana por primera vez en el a\u00f1o 1995. Su sintomatolog\u00eda consist\u00eda en una podredumbre en la zona del cuello de las plantas que causaba marchitez de las ramas y finalmente su muerte. Asimismo, sobre los frutos, se observaban manchas circulares de tama\u00f1o variable que evolucionaban a podredumbres blandas. Tambi\u00e9n se detectaron da\u00f1os severos en semilleros de calabaza obtenidos a partir de semillas procedentes de frutos infectados.  en las muestras estudiadas se identific\u00f3 el hongo fusarium solani f.Sp., cucurbitae raza 1 como agente causal de la enfermedad, y el an\u00e1lisis de la sexualidad de una amplia colecci\u00f3n de aislados procedentes de diferentes or\u00edgenes geogr\u00e1ficos y zonas de la planta demostr\u00f3 que todos ellos eran hermafroditas, pertenec\u00edan al tipo de apareamiento mati-2 y produc\u00edan peritecios rojos.  el estudio de la influencia de la temperatura, del ph y del potencial osm\u00f3tico en el crecimiento miceliar y la esporulaci\u00f3n de f.Solani f.Sp.Cucurbitae raza 1, indic\u00f3 que este hongo puede crecer entre 8 y 32\u00c2\u00bac con un \u00f3ptimo a 26\u00c2\u00bac. Todos los aislados crecieron bien a ph entre 4,5 y 10 con un \u00f3ptimo a 6,5-7. En cu\u00e1nto al potencial osm\u00f3tico, el crecimiento del hongo fue estimulado a un potencial osm\u00f3tico de -0,5 mpa y decrece hasta valores de -7,0 mpa en que es casi nulo. Adem\u00e1s, la adicci\u00f3n de sales favoreci\u00f3 la esporulaci\u00f3n de los aislados.  se sigui\u00f3 durante tres a\u00f1os la consevaci\u00f3n de dos aislados del pat\u00f3geno en suelo a diferentes condiciones h\u00eddricas y en agua. La mejor conservaci\u00f3n se obtuvo en agua donde todav\u00eda se encontraron prop\u00e1gulos viables al final del per\u00edodo de estudio y que manten\u00edan su patogenicidad a calbaza. En suelo se observ\u00f3 un r\u00e1pido decrecimiento de la viabilidad de todos los asilados que s\u00f3lo sobrevivieron como m\u00e1ximo durante 2 a\u00f1os. El peor result<\/p>\n<p>&nbsp;<\/p>\n<h3>Datos acad\u00e9micos de la tesis doctoral \u00ab<strong>Estudio de la podredumbre del cuello y frutos de calabaza causada por fusarium solani (mart.) sacc.f.sp. cucurbitae w.c.snyder &amp; h.n. hans raza 1<\/strong>\u00ab<\/h3>\n<ul>\n<li><strong>T\u00edtulo de la tesis:<\/strong>\u00a0 Estudio de la podredumbre del cuello y frutos de calabaza causada por fusarium solani (mart.) sacc.f.sp. cucurbitae w.c.snyder &amp; h.n. hans raza 1 <\/li>\n<li><strong>Autor:<\/strong>\u00a0 Camilo Miguel Jos\u00e9 <\/li>\n<li><strong>Universidad:<\/strong>\u00a0 Polit\u00e9cnica de Valencia<\/li>\n<li><strong>Fecha de lectura de la tesis:<\/strong>\u00a0 26\/07\/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>Jos\u00e9 Garc\u00eda Jim\u00e9nez<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tribunal<\/strong>\n<ul>\n<li>Presidente del tribunal: enrique Hernandez gimenez <\/li>\n<li>Ana Ortega gea (vocal)<\/li>\n<li>alfredo Miguel g\u00f3mez (vocal)<\/li>\n<li>francesc Garc\u00eda figueres (vocal)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tesis doctoral de Camilo Miguel Jos\u00e9 En esta tesis doctoral se presenta el estudio de una nueva enfermedad del cultivo [&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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