{"id":11484,"date":"2023-04-03T13:58:40","date_gmt":"2023-04-03T20:58:40","guid":{"rendered":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=11484"},"modified":"2023-09-22T11:22:45","modified_gmt":"2023-09-22T18:22:45","slug":"ophiostoma-ulmi-buisman-nannf-1934-%e2%89%a1ceratocystis-ulmi-buisman-c-moreau-1952-dutch-elm-disease","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=11484","title":{"rendered":"Ophiostoma ulmi (Buisman) Nannf. 1934 \u2261Ceratocystis ulmi (Buisman) C. Moreau 1952 Dutch elm disease"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center\"><br>California Pest Rating for<\/h2>\n\n\n\n<h4 class=\"wp-block-heading has-text-align-center\"><em>Ophiostoma ulmi <\/em>(Buisman) Nannf. 1934 \u2261<em>Ceratocystis ulmi <\/em>(Buisman) C. Moreau 1952 Dutch elm disease<br>Pest Rating: C <\/h4>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2023\/04\/Ophiostoma-ulmi_ADA_PRP.pdf\">download pest rating<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n<p><span style=\"color: #ff0000;\"><strong>*NOTE<\/strong><\/span><\/p>\n\n\n<p class=\"wp-block-paragraph\">You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov.<\/p>\n\n\n<p><em>Posted by tn<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>California Pest Rating for Ophiostoma ulmi (Buisman) Nannf. 1934 \u2261Ceratocystis ulmi (Buisman) C. Moreau 1952 Dutch elm diseasePest Rating: C *NOTE You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. Posted by tn<\/p>\n","protected":false},"author":361,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[671,8,4,333],"tags":[],"class_list":["post-11484","post","type-post","status-publish","format-standard","hentry","category-c-rated","category-fungi","category-plant-pathology","category-ratings"],"jetpack_publicize_connections":[],"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5l8vQ-2Ze","jetpack-related-posts":[{"id":1969,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1969","url_meta":{"origin":11484,"position":0},"title":"Plant Pathogens","author":"Admin","date":"May 13, 2016","format":false,"excerpt":"Plant diseases can be caused by several pathogenic microorganisms including fungi, bacteria, viruses, viroids, phytoplasmas and plant parasitic nematodes. In California, several plant pathogens have evolved with native plants and consequently, caused little damage. However, many other pathogens are either not present or have only been newly discovered within the\u2026","rel":"","context":"In &quot;Ratings&quot;","block_context":{"text":"Ratings","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=333"},"img":{"alt_text":"Plant pathogens montage","src":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/plant-diseases-featured-image.jpg?fit=1038%2C588&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/plant-diseases-featured-image.jpg?fit=1038%2C588&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/plant-diseases-featured-image.jpg?fit=1038%2C588&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/plant-diseases-featured-image.jpg?fit=1038%2C588&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":9525,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=9525","url_meta":{"origin":11484,"position":1},"title":"Bretziella fagacearum (Bretz) Z.W. de Beer, Marinc., T.A. Duong &#038; M.J. Wingf. 2017 \u2261 Endoconidiophora fagacearum Bretz 1952 \u2261 Ceratocystis fagacearum (Bretz) J. Hunt 1956 = Chalara quercina B.W. Henry 1944 Oak wilt","author":"Heather.Martin","date":"February 3, 2022","format":false,"excerpt":"California Pest Rating for Bretziella fagacearum (Bretz) Z.W. de Beer, Marinc., T.A. Duong & M.J. Wingf. 2017 \u2261 Endoconidiophora fagacearum Bretz 1952 \u2261 Ceratocystis fagacearum (Bretz) J. Hunt 1956 = Chalara quercina B.W. Henry 1944 Oak wiltPest Rating: A download pest rating *NOTE You must be registered and logged in\u2026","rel":"","context":"In &quot;A-Rated&quot;","block_context":{"text":"A-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=669"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":13892,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=13892","url_meta":{"origin":11484,"position":2},"title":"Ceratocystis platani (Walter) Engelbr. &#038; Harr. 2005 (= C. fimbriata f. platani) canker stain of plane","author":"Heather Martin","date":"June 2, 2025","format":false,"excerpt":"California Pest Rating for Ceratocystis platani (Walter) Engelbr. & Harr. 2005 (= C. fimbriata f. platani) Pest Rating: B Download Pest Rating *NOTE You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov.\u2026","rel":"","context":"In &quot;B-Rated&quot;","block_context":{"text":"B-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=670"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":14526,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=14526","url_meta":{"origin":11484,"position":3},"title":"Arocatus melanocephalus (Fabricius): elm seed bug","author":"Kyle Beucke","date":"April 15, 2026","format":false,"excerpt":"California Pest Rating Profile for Arocatus melanocephalus (Fabricius): elm seed bug Pest Rating: C Download Pest Rating Profile *NOTE You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. Posted by SK","rel":"","context":"In &quot;C-Rated&quot;","block_context":{"text":"C-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=671"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8871,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=8871","url_meta":{"origin":11484,"position":4},"title":"Bursaphelenchus xylophilus (Steiner &#038; Buhrer, 1934) Nickle, 1970 Pine wilt disease","author":"Heather.Martin","date":"September 3, 2021","format":false,"excerpt":"California Pest Rating for Bursaphelenchus xylophilus (Steiner & Buhrer, 1934) Nickle, 1970 Pine wilt diseasePest Rating: C download pest rating *NOTE You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. Posted by\u2026","rel":"","context":"In &quot;C-Rated&quot;","block_context":{"text":"C-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=671"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":3779,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=3779","url_meta":{"origin":11484,"position":5},"title":"Phytophthora cambivora (Petri) Buisman 1927","author":"Admin","date":"June 29, 2017","format":false,"excerpt":"California Pest Rating for Phytophthora cambivora (Petri) Buisman 1927 Pest Rating: B PEST RATING PROFILE Initiating Event: None.\u00a0 The current risk and status of Phytophthora cambivora in California are reassessed and a permanent rating is proposed. History & Status: Background:\u00a0 Phytophthora cambiv ora is an oomycete pathogen that can cause\u2026","rel":"","context":"In &quot;Fungi&quot;","block_context":{"text":"Fungi","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=8"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts\/11484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/users\/361"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11484"}],"version-history":[{"count":5,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts\/11484\/revisions"}],"predecessor-version":[{"id":12218,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts\/11484\/revisions\/12218"}],"wp:attachment":[{"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}