{"id":12789,"date":"2020-06-09T16:20:18","date_gmt":"2020-06-09T14:20:18","guid":{"rendered":"https:\/\/www.plantenplagen.nl\/plantenplagen\/hypericum-rust\/"},"modified":"2023-03-01T11:13:08","modified_gmt":"2023-03-01T10:13:08","slug":"hypericum-rust","status":"publish","type":"encyclopedia","link":"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/hypericum-rust\/","title":{"rendered":"Hypericum rust"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><p>[vc_row][vc_column width=&rdquo;2\/3&Prime;][vc_column_text el_id=&rdquo;topentry&rdquo; el_class=&rdquo;topentry&rdquo;]Hypericum rust on St Joh<wbr><\/wbr>n&rsquo;s wort is caused by a variant of <em>Melampsora<\/em>. This fungus primarily affects woody crops.<br>\n<!--more-->[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo; css=&rdquo;.vc_custom_1591711841902{padding-left: 20px !important;}&rdquo;][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=&rdquo;35&Prime; css=&rdquo;.vc_custom_1532162142715{background-color: #e6e6e6 !important;}&rdquo;][vc_column width=&rdquo;1\/2&Prime;][vc_single_image image=&rdquo;6021&Prime; img_size=&rdquo;medium&rdquo; add_caption=&rdquo;yes&rdquo; style=&rdquo;vc_box_rounded&rdquo; onclick=&rdquo;img_link_large&rdquo;][\/vc_column][vc_column width=&rdquo;1\/2&Prime; css=&rdquo;.vc_custom_1532162092980{background-color: #e6e6e6 !important;}&rdquo;][vc_column_text el_class=&rdquo;entrytxt&rdquo;]<strong>Hypericum rust<\/strong> <em>(Melampsora hypericorum)<\/em>. Rust on <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/st-johns-wort\/\" target=\"_blank\" title=\"[vc_row][vc_column width=&quot;2\/3&quot;][vc_column_text el_id=&quot;topentry&quot; el_class=&quot;topentry&quot;]St John's wort, a family of shrubs and herbs.[\/vc_column_text][\/vc_column][vc_column width=&quot;1\/3&quot;][vc_column_text el_id=&quot;entrytxt&quot; el_class=&quot;entrytxt&quot;]Perforate St John's wort (Hypericum perforatum) is also known as: Common St John's wort[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&quot;middle&quot; css=&quot;.vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}&quot; el_id=&quot;mobile&quot;][vc_column offset=&quot;vc_hidden-lg vc_hidden-md vc_hidden-sm&quot;][vc_column_text css=&quot;.vc_custom_1627123409680{padding: 0px !important;border: 0px initial !important;}&quot; el_id=&quot;mobiel&quot;] You are&hellip;\" class=\"encyclopedia\">St John&rsquo;s wort<\/a> is caused by a variant of the fungus <em>Melampsora<\/em>. This fungus primarily affects woody crops.<br>\nThe spores of the fungus hibernate on the fallen leaves. The dead leaves are also the source of renewed infection in the spring. As early as early spring, yellow spots appear on the leaves, which gradually increase in size and clump together to form dark brown spots. Orange fungi form on the underside. The leaves fall off prematurely &ndash; sometimes as early as August. Members of the <em>Hypericaceae<\/em> family are the <a title=\"Glossary\" href=\"https:\/\/www.plantenplagen.nl\/en\/files\/glossary\/\" target=\"_blank\" rel=\"noopener noreferrer\">host plant<\/a> of this fungus.[\/vc_column_text][\/vc_column][\/vc_row][vc_row equal_height=&rdquo;yes&rdquo;][vc_column width=&rdquo;1\/3&Prime;][vc_custom_heading text=&rdquo;Where to find&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1537946500082{background-color: #536895 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo; css=&rdquo;.vc_custom_1591712050508{padding-left: 15px !important;}&rdquo;]<\/p>\n<ul>\n<li><strong>St John&rsquo;s wort<\/strong> <em>(Hypericum)<\/em><\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime; css=&rdquo;.vc_custom_1532102790165{background-color: #ffffff !important;}&rdquo;][vc_custom_heading text=&rdquo;Control&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1532165404849{background-color: #536895 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo;]Trim away infested leaves and twigs; remove fallen leaves (kerbside garden \/ food waste, not on your compost pile).[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime; css=&rdquo;.vc_custom_1532102799994{background-color: #ffffff !important;}&rdquo;][vc_custom_heading text=&rdquo;Prevention&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1532165414573{background-color: #536895 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo;]Plant less susceptible (resistant) varieties and provide good growing conditions. Clean up fallen leaves in the fall.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"author":14,"template":"","categories":[],"tags":[],"encyclopedia-category":[665],"encyclopedia-tag":[829],"class_list":["post-12789","encyclopedia","type-encyclopedia","status-publish","hentry","encyclopedia-category-fungi-and-diseases","encyclopedia-tag-roest-en"],"_links":{"self":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia\/12789","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia"}],"about":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/types\/encyclopedia"}],"author":[{"embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/users\/14"}],"wp:attachment":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/media?parent=12789"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/categories?post=12789"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/tags?post=12789"},{"taxonomy":"encyclopedia-category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-category?post=12789"},{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=12789"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}