{"id":8529,"date":"2012-12-10T12:50:02","date_gmt":"2012-12-10T17:50:02","guid":{"rendered":"http:\/\/extension.umaine.edu\/ipm\/?page_id=8529"},"modified":"2019-02-26T14:05:15","modified_gmt":"2019-02-26T19:05:15","slug":"impatiens-downy","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/impatiens-downy\/","title":{"rendered":"Impatiens &#8211; Downy Mildew"},"content":{"rendered":"<h3><em>Plasmopara obducens<\/em><\/h3>\n<h4><strong>Impatiens &#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-8529 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\/200405762ImpatiensDMImage04umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Affected leaf\" aria-describedby=\"gallery-1-8535\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage04umce-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-1-8535'>\n\t\t\t\tAffected leaf\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\/200405762ImpatiensDMImage07umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangiophores on leaf underside\" aria-describedby=\"gallery-1-8536\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage07umce-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-1-8536'>\n\t\t\t\tSporangiophores on leaf underside\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>Impatiens &#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-8529 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\/200405762ImpatiensDMImageImage006umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangiophores\" aria-describedby=\"gallery-2-8546\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage006umce-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-2-8546'>\n\t\t\t\tSporangiophores\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\/200405762ImpatiensDMImageImage004umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangiophores\" aria-describedby=\"gallery-2-8545\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImageImage004umce-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-2-8545'>\n\t\t\t\tSporangiophores\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\/200405762Image13umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangiophores\" aria-describedby=\"gallery-2-8543\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762Image13umce-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-2-8543'>\n\t\t\t\tSporangiophores\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\/200405762ImpatiensDMImage10umce.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Sporangia\" aria-describedby=\"gallery-2-8544\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-768x578.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-634x477.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2012\/12\/200405762ImpatiensDMImage10umce-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-2-8544'>\n\t\t\t\tSporangia\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>Plasmopara obducens Impatiens &#8211; Downy Mildew Signs &amp; Symptoms Impatiens &#8211; Downy Mildew Pathogen Return to Plant Disease Images List<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2005,"menu_order":152,"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-8529","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Impatiens - 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\" 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