{"id":967,"date":"2018-06-19T12:36:07","date_gmt":"2018-06-19T10:36:07","guid":{"rendered":"https:\/\/www.kalliergo.gr\/en\/alternaria-leaf-spot-of-beet\/"},"modified":"2023-07-05T13:13:11","modified_gmt":"2023-07-05T11:13:11","slug":"alternaria-leaf-spot-of-beet","status":"publish","type":"post","link":"https:\/\/www.kalliergo.gr\/en\/plant-diseases-pests\/alternaria-leaf-spot-of-beet\/","title":{"rendered":"Alternaria leaf spot of beet"},"content":{"rendered":"\n<p>Alternaria leaf spot of beet is a foliar disease, which is found in all areas of beet cultivation. Damage occurs at the end of the season on old leaves or leaves already affected by another disease.<\/p>\n\n\n\n<p>Scientific name: <strong>Alternaria tenuis<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Symptoms<\/h2>\n\n\n\n<p>In late summer the outer leaves of the beet become dark and dead, mainly peripherally. If the infestation spreads it causes complete drying of the leaves. A powder (spores of the pathogen) then appears on the dead parts of the leaf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Biology-Growth conditions<\/h2>\n\n\n\n<p>The disease is caused by the fungus Alternaria tenuis. It is saprophytic and occurs most often on older leaves, on injured or affected or weakened tissue. More rarely it attacks the leaves inside the rosette affecting the growth and sugar title of the beet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Treatment<\/h2>\n\n\n\n<p>Usually sprays applied for other diseases (e.g. Cercospora) also protect beets from Alternaria tenuis. Complementary measures should be taken to reduce moisture and destroy infected residues.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Source<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.vegetables.cornell.edu\/pest-management\/disease-factsheets\/alternaria-leaf-spot-of-table-beet\/\" target=\"_blank\" rel=\"noopener\">Alternaria Leaf Spot of Table beet<\/a><br><a href=\"https:\/\/en.wikipedia.org\/wiki\/Alternaria_alternata\" target=\"_blank\" rel=\"noopener\">Alternaria alternata fungus<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alternaria leaf spot of beet is a foliar disease, which is found in all areas of beet cultivation. Damage occurs at the end of the season on old leaves or leaves already affected by another disease. Scientific name: Alternaria tenuis Symptoms In late summer the outer leaves of the beet become dark and dead, mainly [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":3993,"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":[370,369,725],"class_list":["post-967","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-plant-diseases-pests","tag-beetroot","tag-beetroots","tag-plant-disease"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Alternaria leaf spot of beet - KALLIERGO<\/title>\n<meta name=\"description\" content=\"Alternaria leaf spot of beet is a foliar disease of beets cause by the Alternaria tenuis fungus. 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Damage occurs at the end of the season on old leaves or leaves already affected by another disease. Scientific name: Alternaria tenuis Symptoms In late summer the outer leaves of the beet become dark and dead, mainly&hellip;","_links":{"self":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/posts\/967","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/comments?post=967"}],"version-history":[{"count":0,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/posts\/967\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/media\/3993"}],"wp:attachment":[{"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/media?parent=967"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/categories?post=967"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kalliergo.gr\/en\/wp-json\/wp\/v2\/tags?post=967"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}