{"id":8248,"date":"2012-11-28T10:47:20","date_gmt":"2012-11-28T15:47:20","guid":{"rendered":"http:\/\/extension.umaine.edu\/ipm\/?page_id=8248"},"modified":"2019-02-28T15:58:37","modified_gmt":"2019-02-28T20:58:37","slug":"shepherds-purse-downy-mildew","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/shepherds-purse-downy-mildew\/","title":{"rendered":"Shepherd&#8217;s Purse &#8211; Downy Mildew"},"content":{"rendered":"<h3><em>Hyaloperonospora parasitica<\/em><\/h3>\n<h4><strong>Shepherd&#8217;s Purse &#8211; Downy Mildew 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-8248 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\/11\/200405323-P1014756bumce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"224\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-300x224.jpg\" class=\"attachment-medium size-medium\" alt=\"\" aria-describedby=\"gallery-1-8250\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-300x224.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-768x574.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-105x78.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-317x237.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-423x316.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-634x474.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-846x632.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-951x710.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014756bumce-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-1-8250'>\n\t\t\t\tShepherd&#8217;s Purse affected by Downy Mildew\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\/11\/200405323-P1014760umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"Stem covered in downy spores\" aria-describedby=\"gallery-1-8251\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-300x225.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-768x576.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-317x238.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-423x317.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-634x476.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-846x635.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-951x713.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323-P1014760umce-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-1-8251'>\n\t\t\t\tStem covered in downy spores\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\/11\/200405323Image27umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Spores emerging from stem\" aria-describedby=\"gallery-1-8252\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image27umce-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-1-8252'>\n\t\t\t\tSpores emerging from stem under microscope\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<hr \/>\n<h4><strong>Shepherd&#8217;s Purse &#8211; Downy Mildew 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-8248 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\/200405323Image29umceedit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Spores emerging from tissue\" aria-describedby=\"gallery-2-8360\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image29umceedit-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-2-8360'>\n\t\t\t\tSpores emerging from tissue\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\/11\/200405323Image10umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangiophores under microscope\" aria-describedby=\"gallery-2-8258\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image10umce-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-2-8258'>\n\t\t\t\tSporangiophores under microscope\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\/11\/200405323Image14umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangia and sporangiophores\" aria-describedby=\"gallery-2-8259\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/11\/200405323Image14umce-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-2-8259'>\n\t\t\t\tSporangia and sporangiophores\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\/200405323Image13umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangia and sporangiophores\" aria-describedby=\"gallery-2-8358\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405323Image13umce-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-2-8358'>\n\t\t\t\tSporangia and sporangiophores\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>Hyaloperonospora parasitica Shepherd&#8217;s Purse &#8211; Downy Mildew Signs &amp; Symptoms Shepherd&#8217;s Purse &#8211; Downy Mildew Pathogen Return to Plant Disease Images List<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2005,"menu_order":138,"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-8248","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>Shepherd&#039;s Purse - Downy Mildew - 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\/shepherds-purse-downy-mildew\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Shepherd&#039;s Purse - Downy Mildew - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Hyaloperonospora parasitica Shepherd&#8217;s Purse &#8211; Downy Mildew Signs &amp; Symptoms Shepherd&#8217;s Purse &#8211; Downy Mildew Pathogen Return to Plant Disease Images List\" 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