{"id":965,"date":"2018-06-19T12:33:52","date_gmt":"2018-06-19T10:33:52","guid":{"rendered":"https:\/\/www.kalliergo.gr\/en\/alternariosi-stelexous-patatas\/"},"modified":"2023-07-05T13:17:11","modified_gmt":"2023-07-05T11:17:11","slug":"early-tomato-blight-black-spot","status":"publish","type":"post","link":"https:\/\/www.kalliergo.gr\/en\/plant-diseases-pests\/early-tomato-blight-black-spot\/","title":{"rendered":"Early tomato blight (black spot)"},"content":{"rendered":"\n<p>Early tomato blight causes ulcers at the base of the stems, which may surround the entire stem causing the plant to dry out. The Alternaria alternata f.sp. lycopersici fungus of early tomato blight (black spot) also attacks the tomatoes, producing sunken brownish-black spots over large areas.<\/p>\n\n\n\n<p>Scientific name: <strong>Alternaria alternata f.sp. lycopersici, Alternaria alternata, Alternaria tenuis<\/strong><br>Greek name: <strong>\u0391\u03bb\u03c4\u03b5\u03c1\u03bd\u03b1\u03c1\u03af\u03c9\u03c3\u03b7 \u03c3\u03c4\u03b5\u03bb\u03ad\u03c7\u03bf\u03c5\u03c2 \u03bd\u03c4\u03bf\u03bc\u03ac\u03c4\u03b1\u03c2<\/strong><\/p>\n\n\n<style id=\"bwg-style-0\">    #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails {      width: 1254px;              justify-content: center;        margin:0 auto !important;              background-color: rgba(255, 255, 255, 0.00);            padding-left: 4px;      padding-top: 4px;      max-width: 100%;            }        #bwg_container1_0 #bwg_container2_0 .bwg-container-0.bwg-standard-thumbnails .bwg-item {    justify-content: flex-start;      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e, that ) {          if (  e.key == 'Enter' ) {            var to_page = parseInt(jQuery(that).val());            var pages_count = jQuery(that).parents(\".pagination-links\").data(\"pages-count\");            var current_url_param = jQuery(that).attr('data-url-info');            if (to_page > pages_count) {              to_page = 1;            }\t \t\t\t\t\t\t\t\t\t\t\t\tspider_page_0(this, to_page, 0, 'numeric');\t\t\t\t\t\t\treturn false;\t\t\t\t\t\t          }          return true;        }        jQuery('.bwg_load_btn_0').on('click', function () {            spider_page_0(this, 1, 1, true);            return false;        });      <\/script>      <\/span>                <\/div>        <\/form>        <style>          #bwg_container1_0 #bwg_container2_0 #spider_popup_overlay_0 {          background-color: #EEEEEE;          opacity: 0.60;          }          <\/style>        <div id=\"bwg_spider_popup_loading_0\" class=\"bwg_spider_popup_loading\"><\/div>        <div id=\"spider_popup_overlay_0\" class=\"spider_popup_overlay\" onclick=\"spider_destroypopup(1000)\"><\/div>        <input type=\"hidden\" id=\"bwg_random_seed_0\" value=\"495795747\">                <\/div>    <\/div>    <script>      if (document.readyState === 'complete') {        if( typeof bwg_main_ready == 'function' ) {          if ( jQuery(\"#bwg_container1_0\").height() ) {            bwg_main_ready(jQuery(\"#bwg_container1_0\"));          }        }      } else {        document.addEventListener('DOMContentLoaded', function() {          if( typeof bwg_main_ready == 'function' ) {            if ( jQuery(\"#bwg_container1_0\").height() ) {             bwg_main_ready(jQuery(\"#bwg_container1_0\"));            }          }        });      }    <\/script>    \n\n\n\n<h2 class=\"wp-block-heading\">Symptoms<\/h2>\n\n\n\n<p>Early tomato blight causes ulcers at the base of the stems, which may surround the entire stem causing the plant to dry out.<\/p>\n\n\n\n<p>The tomatoes are also affected, where sunken brownish-black spots develop over large areas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pathogen &#8211; Growth conditions<\/h2>\n\n\n\n<p>The disease is caused by the fungus Alternaria alternata f.sp. lycopersici. Infections occur in wet weather, in the presence of free moisture on the plants and at relatively high temperatures (20-25 degrees Celsius).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Source<\/h2>\n\n\n\n<p><a title=\"\" href=\"https:\/\/www.bayercropscience.gr\/\" target=\"_blank\" rel=\"noopener noreferrer\">www.bayercropscience.gr\/<\/a><br><a href=\"https:\/\/en.wikipedia.org\/wiki\/Alternaria_alternata\" target=\"_blank\" rel=\"noopener\">Alternaria alternata<\/a><br><a href=\"https:\/\/www.seipasa.com\/en\/blog\/alternaria-in-tomato-plants-how-to-control-the-disease\/\" target=\"_blank\" rel=\"noopener\">Alternaria in tomato plants: all you need to know to control the disease<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Early tomato blight causes ulcers at the base of the stems, which may surround the entire stem causing the plant to dry out. The Alternaria alternata f.sp. lycopersici fungus of early tomato blight (black spot) also attacks the tomatoes, producing sunken brownish-black spots over large areas. Scientific name: Alternaria alternata f.sp. lycopersici, Alternaria alternata, Alternaria [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":3997,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_editorskit_title_hidden":false,"_editorskit_reading_time":1,"_editorskit_is_block_options_detached":false,"_editorskit_block_options_position":"{}","_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"","ast-disable-related-posts":"","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":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","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-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[32],"tags":[725,86,79],"class_list":["post-965","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plant-diseases-pests","tag-plant-disease","tag-tomato","tag-tomatoes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Early tomato blight (black spot) - KALLIERGO<\/title>\n<meta name=\"description\" content=\"Early tomato blight causes ulcers at the base of the stems. Caused by Alternaria alternata fungus. Learn more about this tomato plants disease.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kalliergo.gr\/en\/plant-diseases-pests\/early-tomato-blight-black-spot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Early tomato blight (black spot) - KALLIERGO\" \/>\n<meta property=\"og:description\" content=\"Early tomato blight causes ulcers at the base of the stems. Caused by Alternaria alternata fungus. 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