{"id":4860,"date":"2011-05-20T09:11:11","date_gmt":"2011-05-20T13:11:11","guid":{"rendered":"http:\/\/extension.umaine.edu\/ipm\/?page_id=4860"},"modified":"2019-02-19T13:45:34","modified_gmt":"2019-02-19T18:45:34","slug":"amelanchier-powdery-mildew","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/amelanchier-powdery-mildew\/","title":{"rendered":"Amelanchier &#8211; Powdery Mildew"},"content":{"rendered":"<h3><em>Podosphaera sp.<\/em><\/h3>\n<h4><strong>Amelanchier &#8211; Powdery 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-4860 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\/200404038Image20edit1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"223\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-300x223.jpg\" class=\"attachment-medium size-medium\" alt=\"Fruit of Amelanchier infected with powdery mildew\" aria-describedby=\"gallery-1-4941\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-300x223.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-768x571.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-1024x761.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-105x78.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-317x236.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-423x314.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-634x471.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-846x629.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-951x707.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1-1268x942.jpg 1268w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image20edit1.jpg 1285w\" 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-1-4941'>\n\t\t\t\tPowdery mildew on fruit\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\/200404038Image21edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-300x225.jpg\" class=\"attachment-medium size-medium\" alt=\"Fungal bodies of powdery mildew on Amelanchier\" aria-describedby=\"gallery-1-4861\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-300x225.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-768x577.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-1024x769.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-317x238.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-423x318.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-634x476.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-846x636.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-951x715.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit-500x375.jpg 500w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image21edit.jpg 1114w\" 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-1-4861'>\n\t\t\t\tPowdery mildew chasmothecia on fruit\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\/200404038KateAmelenchierImage12edit1.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"217\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-300x217.jpg\" class=\"attachment-medium size-medium\" alt=\"Fruit of Amelanchier infected with powdery mildew close up\" aria-describedby=\"gallery-1-4942\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-300x217.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-768x556.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-1024x742.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-105x76.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-317x230.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-423x306.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-634x459.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-846x613.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-951x689.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1-1268x919.jpg 1268w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage12edit1.jpg 1499w\" 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-1-4942'>\n\t\t\t\tPowdery mildew on fruit\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\/200404038KateAmelenchierImage18edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"220\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-300x220.jpg\" class=\"attachment-medium size-medium\" alt=\"Powdery Mildew infection of Amelanchier\" aria-describedby=\"gallery-1-4863\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-300x220.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-768x563.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-1024x751.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-105x77.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-317x233.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-423x310.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-634x465.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-846x620.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit-951x698.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage18edit.jpg 1223w\" 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-1-4863'>\n\t\t\t\tPowdery mildew chasmothecium\n\t\t\t\t<\/dd><\/dl><br style=\"clear: both\" \/><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\/200404038KateAmelenchierImage17edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"215\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-300x215.jpg\" class=\"attachment-medium size-medium\" alt=\"Powdery Mildew chasmothecium\" aria-describedby=\"gallery-1-4862\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-300x215.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-768x550.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-1024x733.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-105x75.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-317x227.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-423x303.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-634x454.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-846x606.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit-951x681.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage17edit.jpg 1145w\" 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-1-4862'>\n\t\t\t\tPowdery mildew chasmothecium\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>Amelanchier &#8211; Powdery Mildew Pathogens<\/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-4860 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\/200404038Image23edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"220\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-300x220.jpg\" class=\"attachment-medium size-medium\" alt=\"conidia\" aria-describedby=\"gallery-2-4875\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-300x220.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-768x562.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-1024x749.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-105x77.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-317x232.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-423x310.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-634x464.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-846x619.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit-951x696.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038Image23edit.jpg 1215w\" 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-2-4875'>\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\/200404038KateAmelenchierImage20edit.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"226\" src=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-300x226.jpg\" class=\"attachment-medium size-medium\" alt=\"Single ascus chasmothecium\" aria-describedby=\"gallery-2-4876\" srcset=\"https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-300x226.jpg 300w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-768x579.jpg 768w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-1024x771.jpg 1024w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-105x79.jpg 105w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-317x239.jpg 317w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-423x319.jpg 423w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-634x478.jpg 634w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-846x637.jpg 846w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-951x716.jpg 951w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit-500x375.jpg 500w, https:\/\/extension.umaine.edu\/ipm\/wp-content\/uploads\/sites\/44\/2011\/05\/200404038KateAmelenchierImage20edit.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-2-4876'>\n\t\t\t\tSingle ascus chasmothecium\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<p><em><a href=\"https:\/\/extension.umaine.edu\/ipm\/ipddl\/plant-disease-images\/\">Return to Plant Disease Images List<\/a><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Podosphaera sp. Amelanchier &#8211; Powdery Mildew Signs &amp; Symptoms Amelanchier &#8211; Powdery Mildew Pathogens Return to Plant Disease Images List<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":2005,"menu_order":223,"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-4860","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>Amelanchier - Powdery 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\/amelanchier-powdery-mildew\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Amelanchier - Powdery Mildew - Cooperative Extension: Insect Pests, Ticks and Plant Diseases - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Podosphaera sp. 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