{"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-16018d1d 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>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_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_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}},"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_featured_media_url":"","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":8871,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=8871","url_meta":{"origin":11484,"position":3},"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":1955,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1955","url_meta":{"origin":11484,"position":4},"title":"Nematodes","author":"Admin","date":"May 13, 2016","format":false,"excerpt":"(Plant Parasitic Nematodes) Nematodes (also called \u2018roundworms\u2019) are relatively small, multicellular, worm-like animals. They are found in almost every environmental niche imaginable, living free in soil, marine and freshwater habitats while feeding on bacteria, fungi, and nematodes, or as parasites of humans, insects, fish, larger animals and plants. Plant parasitic\u2026","rel":"","context":"In &quot;Ratings&quot;","block_context":{"text":"Ratings","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=333"},"img":{"alt_text":"Nematodes montage","src":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/nematodes-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\/nematodes-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\/nematodes-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\/nematodes-featured-image.jpg?fit=1038%2C588&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":14186,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=14186","url_meta":{"origin":11484,"position":5},"title":"Gymnotelium blasdaleanum (Dietel &#038; Holway) Arthur 1934 Pacific Coast pear rust","author":"Heather.Martin","date":"October 17, 2025","format":false,"excerpt":"California Pest Rating Profile for Gymnotelium blasdaleanum (Dietel & Holway) Arthur 1934 Pacific Coast pear rust Pest Rating: C Comment Period: 10\/17\/2025 \u2013 12\/01\/2025 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\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":[]}],"_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}]}}