{"id":8513,"date":"2012-12-10T11:20:06","date_gmt":"2012-12-10T16:20:06","guid":{"rendered":"http:\/\/extension.umaine.edu\/ipm\/?page_id=8513"},"modified":"2019-02-25T14:33:09","modified_gmt":"2019-02-25T19:33:09","slug":"corn-leaf-blight","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/corn-leaf-blight\/","title":{"rendered":"Corn &#8211; Leaf Blight"},"content":{"rendered":"<h3><em>Alternaria<\/em> sp.<\/h3>\n<h4><strong>Corn &#8211; Leaf Blight Signs &amp; Symptoms<\/strong><\/h4>\n\n\t\t<style type=\"text\/css\">\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: 25%;\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-8513 gallery-columns-4 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"Affected corn husk\" aria-describedby=\"gallery-1-8518\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-300x225.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-768x576.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-317x238.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-423x317.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-634x476.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-846x635.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-951x713.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/P9065239umceedit-500x375.jpg 500w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-8518'>\n\t\t\t\tAffected corn husk\n\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"237\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-300x237.jpg\" class=\"attachment-medium size-medium\" alt=\"Close up of affected corn husk\" aria-describedby=\"gallery-1-8517\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-300x237.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-768x606.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-105x83.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-317x250.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-423x334.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-634x500.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-846x668.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734P9065238umceedit-951x750.jpg 951w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-8517'>\n\t\t\t\tClose up of affected corn husk\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Tendrils of bacteria\" aria-describedby=\"gallery-1-8515\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image38umceedit-500x375.jpg 500w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-8515'>\n\t\t\t\tTendrils of bacteria\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Tendrils of bacteria\" aria-describedby=\"gallery-1-8516\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image39umceedit-500x375.jpg 500w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-8516'>\n\t\t\t\tTendrils of bacteria\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<hr \/>\n<h4><strong>Corn &#8211; Leaf Blight Pathogen<\/strong><\/h4>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-2 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-2 .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: 25%;\n\t\t\t}\n\t\t\t#gallery-2 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-2 .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-2' class='gallery galleryid-8513 gallery-columns-4 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Conidia\" aria-describedby=\"gallery-2-8523\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image36umce-500x375.jpg 500w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-2-8523'>\n\t\t\t\tConidia\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Conidia\" aria-describedby=\"gallery-2-8524\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405734Image37umce-500x375.jpg 500w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,300px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-2-8524'>\n\t\t\t\tConidia\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><a href=\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/\"><em>Return to Plant Disease Images List<\/em><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alternaria sp. Corn &#8211; Leaf Blight Signs &amp; Symptoms Corn &#8211; Leaf Blight Pathogen Return to Plant Disease Images List<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2005,"menu_order":151,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-8513","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Corn - Leaf Blight - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/corn-leaf-blight\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Corn - Leaf Blight - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Alternaria sp. 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