{"id":961,"date":"2016-11-04T02:01:43","date_gmt":"2016-11-04T02:01:43","guid":{"rendered":"http:\/\/herbariofitopatologia.agro.uba.ar\/?page_id=961"},"modified":"2026-05-15T12:27:39","modified_gmt":"2026-05-15T12:27:39","slug":"tizon-tardio-o-mildew-de-la-papa-phytophthora-infestans","status":"publish","type":"page","link":"https:\/\/herbariofitopatologia.agro.uba.ar\/?page_id=961","title":{"rendered":"<b>Tiz\u00f3n tard\u00edo o mildew de la Papa<\/b> (<i>Phytophthora infestans<\/i>)"},"content":{"rendered":"<p style=\"text-align: justify;\"><span style=\"color: #ffffff;\">.<\/span><\/p>\n<p class=\"field-label\" style=\"text-align: justify;\"><strong>Condici\u00f3n fitosanitaria:<\/strong> <a href=\"https:\/\/www.sinavimo.gob.ar\/plaga\/phytophthora-infestans\" target=\"_blank\" rel=\"noopener\">Presente<\/a><\/p>\n<p style=\"text-align: justify;\"><strong>Grupo de cultivos:&nbsp;<\/strong>Hort\u00edcola<\/p>\n<p style=\"text-align: justify;\"><strong>Especie hospedante:<\/strong> Papa<em> (<a href=\"https:\/\/www.ncbi.nlm.nih.gov\/Taxonomy\/Browser\/wwwtax.cgi?mode=Info&amp;id=4113&amp;lvl=3&amp;lin=f&amp;keep=1&amp;srchmode=1&amp;unlock\" target=\"_blank\" rel=\"noopener\">Solanum tuberosum<\/a>)<\/em><\/p>\n<p style=\"text-align: justify;\"><strong>Rango de&nbsp;hospedantes:<\/strong>&nbsp;A&nbsp;menudo se asocia con sus dos hospedantes m\u00e1s comunes, la papa y el tomate. Sin embargo, <em>P. infestans<\/em> tiene un amplio rango de hospedantes&nbsp;que incluye muchos miembros de las Solanaceae, como por ejemplo <em>Solanum muricatum<\/em> (<a href=\"https:\/\/apsjournals.apsnet.org\/doi\/10.1094\/PDIS-04-22-0892-PDN\" target=\"_blank\" rel=\"noopener\">Huo et al., 2023<\/a>).&nbsp;Las solan\u00e1ceas ornamentales tambi\u00e9n pueden&nbsp;ser hospedantes, como por ejemplo&nbsp;<em>Petunia<\/em>&nbsp;spp.,&nbsp;<em>Calibrachoa<\/em>&nbsp;spp., as\u00ed como las especies silvestres&nbsp;<em>Solanum dulcamara<\/em>,&nbsp;<em>Solanum sarrachoides<\/em>, etc.<\/p>\n<p style=\"text-align: justify;\"><strong>Epidemiolog\u00eda:<\/strong> polic\u00edclica, aguda.<\/p>\n<p style=\"text-align: justify;\"><strong>Etiolog\u00eda: <\/strong>Pseudohongo. Hemibiotr\u00f3fico<\/p>\n<p style=\"text-align: justify;\"><strong>Agente causal:<\/strong><em> <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/Taxonomy\/Browser\/wwwtax.cgi?mode=Info&amp;id=4787&amp;lvl=3&amp;lin=f&amp;keep=1&amp;srchmode=1&amp;unlock\" target=\"_blank\" rel=\"noopener\">Phytophthora infestans<\/a>&nbsp;<\/em><span style=\"color: #808080;\">(Mont.) de Bary<\/span><\/p>\n<p style=\"text-align: justify;\"><strong>Taxonom\u00eda:<\/strong> Eukaryota &gt;&nbsp;Stramenopiles &gt; Oomycetes &gt; Peronosporales &gt; <a href=\"https:\/\/www.ncbi.nlm.nih.gov\/Taxonomy\/Browser\/wwwtax.cgi?mode=Tree&amp;id=4783&amp;lvl=3&amp;keep=1&amp;srchmode=1&amp;unlock\" target=\"_blank\" rel=\"noopener\">Phytophthora<\/a><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #ffffff;\">.<\/span><\/p>\n<p style=\"text-align: justify;\">En Argentina,&nbsp;<a href=\"https:\/\/inta.gob.ar\/documentos\/revista-vision-rural-no-135-noviembre-diciembre-2020\" target=\"_blank\" rel=\"noopener\">Lucca et al.<\/a>&nbsp;genotipificaron aislamientos argentinos de P. infestans mediante PCR con una reacci\u00f3n multiplexada de 12 marcadores moleculares microsat\u00e9lites (SSR) siguiendo la metodolog\u00eda propuesta por <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0167701212003831?via%3Dihub\" target=\"_blank\" rel=\"noopener\">Li et al. (2013)<\/a>, que se complement\u00f3 con el muestreo en campo con tarjetas FTA. Estos estudios determinaron que desde 2007, la poblaci\u00f3n argentina del pat\u00f3geno est\u00e1 dominada por la l\u00ednea clonal EU_2_A1, diferente a la reportada a finales de los 90 (<a href=\"https:\/\/apsjournals.apsnet.org\/doi\/10.1094\/PDIS.1998.82.7.811\" target=\"_blank\" rel=\"noopener\">Forbes et al., 1998<\/a>).<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #ffffff;\">.<\/span><\/p>\n\n\t\t<style>\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 100%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-961 gallery-columns-1 gallery-size-full'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/zoosporangio-P-infestans.jpg?v=1618676954' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" width=\"2614\" height=\"1548\" src=\"https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/zoosporangio-P-infestans.jpg?v=1618676954\" class=\"attachment-full size-full\" alt=\"\" aria-describedby=\"gallery-1-12374\" srcset=\"https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/zoosporangio-P-infestans.jpg?v=1618676954 2614w, https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/zoosporangio-P-infestans-300x178.jpg?v=1618676954 300w, https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/zoosporangio-P-infestans-768x455.jpg?v=1618676954 768w, https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/zoosporangio-P-infestans-1024x606.jpg?v=1618676954 1024w\" sizes=\"auto, (max-width: 2614px) 100vw, 2614px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-12374'>\n\t\t\t\t<i>Phytophthora infestans<\/i> (fase asexual): (a, b) esporangios en esporangi\u00f3foros; (c) germinaci\u00f3n externa de esporangio; (d \u2013 h) esporangios papilados con pedicelos cortos y caducos. Autor: <b>Gloria Abad, USDA-APHIS<\/b>.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/oospora-P-infestans.jpg?v=1618676959' title=\"\" data-rl_title=\"\" class=\"rl-gallery-link\" data-rl_caption=\"\" data-rel=\"lightbox-gallery-1\"><img loading=\"lazy\" decoding=\"async\" width=\"2500\" height=\"706\" src=\"https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/oospora-P-infestans.jpg?v=1618676959\" class=\"attachment-full size-full\" alt=\"\" aria-describedby=\"gallery-1-12375\" srcset=\"https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/oospora-P-infestans.jpg?v=1618676959 2500w, https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/oospora-P-infestans-300x85.jpg?v=1618676959 300w, https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/oospora-P-infestans-768x217.jpg?v=1618676959 768w, https:\/\/herbariofitopatologia.agro.uba.ar\/wp-content\/uploads\/2016\/11\/oospora-P-infestans-1024x289.jpg?v=1618676959 1024w\" sizes=\"auto, (max-width: 2500px) 100vw, 2500px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-12375'>\n\t\t\t\t<i>Phytophthora infestans<\/i> (fase sexual heterot\u00e1lica A1 x A2): (a \u2013 d) oogonio de paredes lisas con anteridios anfiginosos y oosporas pler\u00f3ticas. Autor: <b>Gloria Abad USDA-APHIS-PPQ<\/b>.\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<p><span style=\"color: #ffffff;\">.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>. Condici\u00f3n fitosanitaria: Presente Grupo de cultivos:&nbsp;Hort\u00edcola Especie hospedante: Papa (Solanum tuberosum) Rango de&nbsp;hospedantes:&nbsp;A&nbsp;menudo se asocia con sus dos hospedantes m\u00e1s comunes, la papa y el tomate. Sin embargo, P. infestans tiene un amplio rango de hospedantes&nbsp;que incluye muchos miembros de las Solanaceae, como por ejemplo Solanum muricatum (Huo et al., 2023).&nbsp;Las solan\u00e1ceas ornamentales tambi\u00e9n [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[100,123,831,926,824],"tags":[253,251,252,215,250],"class_list":["post-961","page","type-page","status-publish","hentry","category-horticolas","category-papa","category-peronosporaceae","category-phytophthora","category-pseudohongos","tag-infestans","tag-mildew","tag-papa","tag-phytophthora","tag-tizon-tardio"],"acf":[],"_links":{"self":[{"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=\/wp\/v2\/pages\/961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=961"}],"version-history":[{"count":348,"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=\/wp\/v2\/pages\/961\/revisions"}],"predecessor-version":[{"id":27676,"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=\/wp\/v2\/pages\/961\/revisions\/27676"}],"wp:attachment":[{"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/herbariofitopatologia.agro.uba.ar\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}