{"id":4915,"date":"2011-05-20T16:27:02","date_gmt":"2011-05-20T20:27:02","guid":{"rendered":"http:\/\/extension.umaine.edu\/ipm\/?page_id=4915"},"modified":"2019-02-27T13:23:40","modified_gmt":"2019-02-27T18:23:40","slug":"onion-purple-blotch","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/","title":{"rendered":"Onion &#8211; Purple Blotch"},"content":{"rendered":"<h3><em>Alternaria porri<\/em><\/h3>\n<h4><strong>Onion &#8211; Purple Blotch 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-4915 gallery-columns-4 gallery-size-medium'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"228\" height=\"300\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-228x300.jpg\" class=\"attachment-medium size-medium\" alt=\"Onion plant affected by purple blotch\" aria-describedby=\"gallery-1-4916\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-228x300.jpg 228w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-768x1011.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-778x1024.jpg 778w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-105x138.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-317x417.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-423x557.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-634x835.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-846x1114.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-951x1252.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit.jpg 1024w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,228px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4916'>\n\t\t\t\tOnion plant affected by purple blotch\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"288\" height=\"300\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-288x300.jpg\" class=\"attachment-medium size-medium\" alt=\"Onion leaves in stages of purple blotch infection\" aria-describedby=\"gallery-1-4917\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-288x300.jpg 288w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-768x799.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-985x1024.jpg 985w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-105x109.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-317x330.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-423x440.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-634x659.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-846x880.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-951x989.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit-32x32.jpg 32w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292562edit.jpg 1024w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,288px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4917'>\n\t\t\t\tOnion leaves with purple blotch lesions\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon portrait'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"235\" height=\"300\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-235x300.jpg\" class=\"attachment-medium size-medium\" alt=\"Onion leaf infected by purple rot\" aria-describedby=\"gallery-1-4918\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-235x300.jpg 235w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-768x979.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-804x1024.jpg 804w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-105x134.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-317x404.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-423x539.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-634x808.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-846x1078.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit-951x1212.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292566edit.jpg 1024w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,235px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-4918'>\n\t\t\t\tLeaf with purple blotch lesions\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\/2011\/05\/200404307OnionImage5edit1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"189\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-300x189.jpg\" class=\"attachment-medium size-medium\" alt=\"Purple blotch conidia on onion leaf\" aria-describedby=\"gallery-1-4931\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-300x189.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-768x484.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-1024x646.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-105x66.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-317x200.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-423x267.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-634x400.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-846x534.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-951x600.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1-1268x800.jpg 1268w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage5edit1.jpg 1454w\" 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-1-4931'>\n\t\t\t\tPurple blotch conidia on onion leaf\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/>\n\t\t<\/div>\n\n<hr \/>\n<h4><strong>Onion &#8211; Purple Blotch 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-4915 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\/2011\/05\/200404307OnionImage16edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"onion purple blotch pathogen\" aria-describedby=\"gallery-2-4938\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-768x579.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-1024x771.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-423x319.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-634x478.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit-500x375.jpg 500w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage16edit.jpg 1224w\" 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-2-4938'>\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\/2011\/05\/200404307OnionImage22edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"233\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-300x233.jpg\" class=\"attachment-medium size-medium\" alt=\"onion purple blotch pathogen\" aria-describedby=\"gallery-2-4939\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-300x233.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-768x597.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-105x82.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-317x246.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-423x329.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-634x493.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-846x658.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307OnionImage22edit-951x739.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-2-4939'>\n\t\t\t\tConidium\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\/2010\/11\/AlliumAlternaria1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"242\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-300x242.jpg\" class=\"attachment-medium size-medium\" alt=\"Conidium\" aria-describedby=\"gallery-2-3421\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-300x242.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-768x620.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-105x85.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-317x256.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-423x341.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-634x511.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-846x682.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1-951x767.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria1.jpg 952w\" 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-2-3421'>\n\t\t\t\tConidium\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\/2010\/11\/AlliumAlternaria2.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"222\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-300x222.jpg\" class=\"attachment-medium size-medium\" alt=\"Conidia\" aria-describedby=\"gallery-2-3420\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-300x222.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-768x569.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-105x78.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-317x235.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-423x313.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-634x469.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-846x626.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2010\/11\/AlliumAlternaria2-951x704.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-2-3420'>\n\t\t\t\tConidia\n\t\t\t\t<\/dd><\/dl><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 porri Onion &#8211; Purple Blotch Signs &amp; Symptoms Onion &#8211; Purple Blotch Pathogen Return to Plant Disease Images List<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2005,"menu_order":228,"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-4915","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>Onion - Purple Blotch - 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\/onion-purple-blotch\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Onion - Purple Blotch - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Alternaria porri Onion &#8211; Purple Blotch Signs &amp; Symptoms Onion &#8211; Purple Blotch Pathogen Return to Plant Disease Images List\" \/>\n<meta property=\"og:url\" content=\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/\" \/>\n<meta property=\"og:site_name\" content=\"Cooperative Extension: Insect Pests, Ticks and Plant Diseases\" \/>\n<meta property=\"article:modified_time\" content=\"2019-02-27T18:23:40+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-228x300.jpg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/\",\"url\":\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/\",\"name\":\"Onion - Purple Blotch - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension\",\"isPartOf\":{\"@id\":\"https:\/\/extension.umaine.edu\/ipm\/#website\"},\"datePublished\":\"2011-05-20T20:27:02+00:00\",\"dateModified\":\"2019-02-27T18:23:40+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/extension.umaine.edu\/ipm\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Insect and Plant Disease Diagnostic Labs\",\"item\":\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Plant Disease Images\",\"item\":\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Onion &#8211; Purple Blotch\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/extension.umaine.edu\/ipm\/#website\",\"url\":\"https:\/\/extension.umaine.edu\/ipm\/\",\"name\":\"Cooperative Extension: Insect Pests, Ticks and Plant Diseases\",\"description\":\"Information you can use. Research you can trust.\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/extension.umaine.edu\/ipm\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Onion - Purple Blotch - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/","og_locale":"en_US","og_type":"article","og_title":"Onion - Purple Blotch - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension","og_description":"Alternaria porri Onion &#8211; Purple Blotch Signs &amp; Symptoms Onion &#8211; Purple Blotch Pathogen Return to Plant Disease Images List","og_url":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/","og_site_name":"Cooperative Extension: Insect Pests, Ticks and Plant Diseases","article_modified_time":"2019-02-27T18:23:40+00:00","og_image":[{"url":"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404307P7292559bedit-228x300.jpg","type":"","width":"","height":""}],"twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/","url":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/","name":"Onion - Purple Blotch - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension","isPartOf":{"@id":"https:\/\/extension.umaine.edu\/ipm\/#website"},"datePublished":"2011-05-20T20:27:02+00:00","dateModified":"2019-02-27T18:23:40+00:00","breadcrumb":{"@id":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/onion-purple-blotch\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/extension.umaine.edu\/ipm\/"},{"@type":"ListItem","position":2,"name":"Insect and Plant Disease Diagnostic Labs","item":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/"},{"@type":"ListItem","position":3,"name":"Plant Disease Images","item":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/"},{"@type":"ListItem","position":4,"name":"Onion &#8211; Purple Blotch"}]},{"@type":"WebSite","@id":"https:\/\/extension.umaine.edu\/ipm\/#website","url":"https:\/\/extension.umaine.edu\/ipm\/","name":"Cooperative Extension: Insect Pests, Ticks and Plant Diseases","description":"Information you can use. Research you can trust.","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/extension.umaine.edu\/ipm\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"}]}},"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"","author_link":"https:\/\/extension.umaine.edu\/ipm\/author\/"},"comment_info":0,"_links":{"self":[{"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/pages\/4915","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/comments?post=4915"}],"version-history":[{"count":2,"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/pages\/4915\/revisions"}],"predecessor-version":[{"id":17464,"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/pages\/4915\/revisions\/17464"}],"up":[{"embeddable":true,"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/pages\/2005"}],"wp:attachment":[{"href":"https:\/\/extension.umaine.edu\/ipm\/wp-json\/wp\/v2\/media?parent=4915"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}