{"id":24282,"date":"2024-06-28T15:03:07","date_gmt":"2024-06-28T19:03:07","guid":{"rendered":"https:\/\/extension.umaine.edu\/gardening\/?p=24282"},"modified":"2024-06-28T15:03:07","modified_gmt":"2024-06-28T19:03:07","slug":"is-there-a-remedy-for-pine-trees-that-have-lost-a-large-amount-of-needles","status":"publish","type":"post","link":"https:\/\/extension.umaine.edu\/gardening\/2024\/06\/28\/is-there-a-remedy-for-pine-trees-that-have-lost-a-large-amount-of-needles\/","title":{"rendered":"Is there a remedy for pine trees that have lost a large amount of needles?"},"content":{"rendered":"<h3>Question:<\/h3>\n<p><strong>We have noticed that the pine trees have had an unusual amount of tags falling especially in the last three weeks. We are looking for a remedy or if he needs to remove a tree.<\/strong><\/p>\n<h3>Answer:<\/h3>\n<div><em>Jonathan Foster, Home Horticulture Outreach Professional<\/em><\/div>\n<p>Unfortunately, this is something of a known issue at the moment. There are actually numerous potential causes for needle drop&#8211;including drought, winter dehydration, and salt runoff from winter road treatments. But if those things have never been a problem for your trees before, you&#8217;re probably seeing the effects of what&#8217;s known as\u00a0<a href=\"https:\/\/digitalmaine.com\/cgi\/viewcontent.cgi?article=1098&amp;context=for_docs\" target=\"_blank\" rel=\"noopener\">White Pine Needle Disease complex<\/a>, a suite of co-occurring problems which is affecting pines across the Northeast. Please see\u00a0<a href=\"https:\/\/content.govdelivery.com\/accounts\/MEDACF\/bulletins\/3a3e781\" target=\"_blank\" rel=\"noopener\">this Maine Forestry Service forest conditions update<\/a>\u00a0(disease section) for the current widespread assessment in Maine&#8211;it&#8217;s not great news.<\/p>\n<p>From our state forest pathologist, Aaron Bergdahl:<\/p>\n<p>&#8220;The\u00a0<span class=\"il\">white<\/span>\u00a0<span class=\"il\">pines<\/span>\u00a0are showing symptoms of a disease complex called\u00a0<span class=\"il\">white<\/span>\u00a0<span class=\"il\">pine<\/span>\u00a0<span class=\"il\">needle<\/span>\u00a0damage.\u00a0 It causes infected trees to drop their older\u00a0<span class=\"il\">needles<\/span>\u00a0due to infection by fungi (typically a disease called brown spot\u00a0<span class=\"il\">needle<\/span>\u00a0blight, but there are other similar fungi that can cause this \u2013\u00a0<a href=\"https:\/\/digitalmaine.com\/cgi\/viewcontent.cgi?article=1098&amp;context=for_docs\" target=\"_blank\" rel=\"noopener\">see this link for more details<\/a>). The\u00a0<span class=\"il\">pines<\/span>\u00a0in many areas of Maine have been suffering from infection by this disease complex for several years to varying extents &#8212; in fact, many\u00a0<span class=\"il\">white<\/span>\u00a0<span class=\"il\">pines<\/span>\u00a0in Maine have been impacted dating back to 2011, especially in the southwest.\u00a0 This year the disease symptoms (<span class=\"il\">needle<\/span>\u00a0discoloration\/yellowing and\u00a0<span class=\"il\">needle<\/span>\u00a0drop) are quite severe throughout Maine and even the entire Northeast region. We are getting many reports\/calls\/emails per day from concerned citizens. The future of infected trees is uncertain.\u00a0 If they lose all their\u00a0<span class=\"il\">needles<\/span>, the trees will likely die. However, what we typically see with this disease complex is a loss of older\u00a0<span class=\"il\">needles<\/span>\u00a0and trees holding their current-year\u00a0<span class=\"il\">needles<\/span>. The trees will appear more green (but will have thin-looking crowns) when the infected, yellow\u00a0<span class=\"il\">needles<\/span>\u00a0drop. These few remaining new\u00a0<span class=\"il\">needles<\/span>\u00a0are often enough to help the trees get through the season, but this is not great for their general health and growth. In some cases the stress that WPND causes makes the trees vulnerable to root disease and\/or insect attack. We encourage people to monitor their trees for these secondary impacts.&#8221;<\/p>\n<p>There is some preliminary data suggesting white pines may be trying to adapt to these new conditions, but it&#8217;s very early. If your pines are specimen trees, we recommend hiring a\u00a0<a href=\"https:\/\/www.maine.gov\/dacf\/php\/arborist\/ArboristList.shtml\" target=\"_blank\" rel=\"noopener\">ME-certified arborist<\/a>\u00a0to evaluate them and see if some of the preventative treatments are in order.<\/p>\n<p>Other than this unfortunate news, I wish you happy gardening.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Question: We have noticed that the pine trees have had an unusual amount of tags falling especially in the last three weeks. We are looking for a remedy or if he needs to remove a tree. Answer: Jonathan Foster, Home Horticulture Outreach Professional Unfortunately, this is something of a known issue at the moment. There [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","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":""},"categories":[199,204],"tags":[],"class_list":["post-24282","post","type-post","status-publish","format-standard","hentry","category-ask","category-pests"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Is there a remedy for pine trees that have lost a large amount of needles? - Cooperative Extension: Garden and Yard - 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\/gardening\/2024\/06\/28\/is-there-a-remedy-for-pine-trees-that-have-lost-a-large-amount-of-needles\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is there a remedy for pine trees that have lost a large amount of needles? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Question: We have noticed that the pine trees have had an unusual amount of tags falling especially in the last three weeks. 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