{"id":1281,"date":"2015-11-13T15:40:58","date_gmt":"2015-11-13T23:40:58","guid":{"rendered":"http:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1281"},"modified":"2024-04-26T11:16:43","modified_gmt":"2024-04-26T18:16:43","slug":"colletotrichum-theobromicola-declr-1905","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1281","title":{"rendered":"Colletotrichum theobromicola Declr. 1905"},"content":{"rendered":"<h5 style=\"text-align: center;\"><strong>California Pest Rating for<\/strong><\/h5>\n<h5 style=\"text-align: center;\"><strong><em>Colletotrichum theobromicola <\/em><\/strong><strong>Declr. 1905<\/strong><\/h5>\n<h5 style=\"text-align: center;\">Pest Rating: \u00a0B<\/h5>\n<hr \/>\n<h5 style=\"text-align: center;\"><strong>PEST RATING PROFILE<\/strong><\/h5>\n<h5><strong>Initiating Event: \u00a0<\/strong><\/h5>\n<p>On September 8, 2015 diseased <em>Coleonema<\/em> sp. (breath of heaven) seedlings exhibiting blight symptoms were collected from a nursery in Sacramento by Sacramento County Agricultural officials, and sent to the CDFA Plant Diagnostics Branch for diagnosis.\u00a0 Suzanne Latham, CDFA plant pathologist identified the fungal fruit spot and anthracnose pathogen, <em>Colletotrichum theobromicola<\/em> as the cause for the disease. Subsequently, on September 14 and October 8, 2015, <em>C. theobromicola <\/em>was detected from <em>Annona squamosa<\/em> (sugar apple) fruit intercepted in shipments destined to private citizens and intercepted at the United States Postal Service by County officials in San Joaquin and Santa Clara Counties respectively.\u00a0 Both shipments originated in Florida. \u00a0Consequently, all infected plant material was destroyed.\u00a0 The risk of infestation of <em>C. theobromicola<\/em> in California is evaluated and a permanent rating is proposed.<\/p>\n<h5><strong>History &amp; Status:<\/strong><\/h5>\n<p><strong><u>Background<\/u>:\u00a0<\/strong> <em>Colletotrichum theobromicola<\/em> is a distinct fungus species belonging to the vastly morphological and physiological variable <em>C. gloeosporioides <\/em>complex and is generally identified from other species of the complex only with DNA sequences. The species: <em>C. fragariae, C. gloeosporioides f. stylosanthis, C. gloeosporioides f. stylosanthis \u201cf. sp. stylosanthis\u201d<\/em>, and <em>C. gloeosporioides f. stylosanthis \u201cf. sp. guianensis\u2019<\/em> are genetically similar to, and synonyms of <em>C. theobromicola <\/em>(Weir <em>et al<\/em>, 2012).<\/p>\n<p><em>Colletotrichum fragariae<\/em> (synonym of <em>C. theobromicola<\/em>) has been previously reported from strawberry plants in California (Gunnell &amp; Gubler, 1992), however, that report was based only on morphological analysis of the species.\u00a0 So, while there is the possibility that <em>C. theobromicola<\/em> may have been present in California prior to the CDFA detections mentioned above, its presence cannot be assumed or confirmed without genetic analysis. The recent detections of the <em>C. theobromicola<\/em> by CDFA constitute its first official State record in California.<\/p>\n<p style=\"padding-left: 30px;\"><strong>Hosts:<\/strong> <em>Colletotrichum theobromicola<\/em> has been reported on different hosts from different countries: \u00a0<em>Acca sellowiana<\/em> (pineapple guava), <em>Annona diversifolia<\/em> (Ilama fruit), <em>Annona<\/em> <em>squamosa<\/em> (sugar\/custard apple), <em>Buxus microphylla<\/em> var. <em>japonica<\/em> (Japanese boxwood), <em>Cassia obtusifolia<\/em> (sicklepod<em>), coffea arabica<\/em> (Arabian coffee), <em>Coffea<\/em> sp., Coleonema sp. (breath of heaven)( CDFA detection), <em>Cyclamens persicum<\/em> (Persian cyclamen), <em>Fragaria ananassa<\/em> (strawberry), <em>Fragaria<\/em> sp., <em>F. chiloensis<\/em> (coastal strawberry), <em>F. vesca<\/em> (wild strawberry), <em>F. virginiana<\/em> (woodland strawberry), <em>Limonium<\/em> sp. (statice), <em>Olea europaea<\/em> (olive), <em>Potentilla canadensis<\/em> (dwarf cinquefoil), <em>Punica granatum<\/em> (pomegranate),\u00a0 <em>Quercus<\/em> sp. (oak), <em>Stylosanthes guianensis<\/em> (stylo, Brazilian lucerne), <em>S. viscosa<\/em> (poorman\u2019s friend), <em>Theobroma cacao<\/em> (cacao, cocoa tree) (Farr &amp; Rossman, 2015; Weir <em>et al<\/em>., 2012).<\/p>\n<p style=\"padding-left: 30px;\"><strong>Symptoms:<\/strong>\u00a0 <em>Colletotrichum theobromicola<\/em> causes leaf and fruit spots.\u00a0 Generally, <em>Colletotrichum<\/em>-infected host plants exhibit symptoms of anthracnose which include dark brown leaf, stem and fruit spots and wilting of leaves which often result in dieback and reduction in plant quality.\u00a0 The pathogen causes anthracnose disease of strawberry with symptoms that include crown rot, fruit rot and stolon lesions (Gunnell &amp; Gubler, 1992).<\/p>\n<p style=\"padding-left: 30px;\"><strong>Damage Potential:\u00a0<\/strong> Anthracnose disease caused by <em>Colletotrichum theobromicola <\/em>can result in reduced plant quality and growth, fruit production and marketability.\u00a0 Estimates of yield\/crop loss due to this pathogen have not been reported.\u00a0 Nursery production of potted host plants or in greenhouses are particularly at risk as nursery conditions are often conducive to infection by <em>Colletotrichum<\/em> species.\u00a0 In cultivated fields, disease development may be sporadic as it is affected by levels of pathogen inoculum and environmental conditions.<\/p>\n<p style=\"padding-left: 30px;\"><strong>Disease Cycle:\u00a0<\/strong> It is likely that <em>Colletotrichum theobromicola<\/em> has a similar life cycle to that of other <em>Colletotrichum<\/em> species and survives between crops during winter as mycelium on plant residue in soil, on infected plants, and on seeds.\u00a0 During active growth, the pathogen produces masses of hyphae (stromata) which bear conidiophores, on the plant surface. Conidia (spores) are produced at the tips of the conidiophores and disseminated by wind, rain, cultivation tools, equipment, and field workers.\u00a0 \u00a0Conidia are transmitted to host plants.\u00a0 Humid, wet, rainy weather is necessary for infection to occur.\u00a0 These requirements in particular may limit the occurrence of the pathogen in California fields and subsequently, the pathogen may be more of a problem under controlled environments of greenhouses.\u00a0 Conidia germinate, penetrate host tissue by means of specialized hyphae (appresoria) and invade host tissue.<\/p>\n<p style=\"padding-left: 30px;\"><strong>Transmission:\u00a0<\/strong> Wind, wind-driven rain, cultivation tools, and human contact.<\/p>\n<p><strong><u>Worldwide Distribution<\/u>:\u00a0<\/strong> <em>Colletototrichum theobromicola<\/em> is widely distributed in tropical and subtropical region worldwide.\u00a0 <em>Africa<\/em>: Nigeria; <em>Asia<\/em>: India, Israel, Japan; <em>North America<\/em>: Mexico, USA (California, Florida, Indiana, Louisiana, Michigan, Mississippi, New York, North Carolina, South Carolina, Virginia), Cuba, Panama; <em>South America<\/em>: Brazil, Uruguay; <em>Australia<\/em>; New Zealand (CABI, 2015; Farr &amp; Rossman, 2015; Gunnell &amp; Gubler, 1992; Weir <em>et al<\/em>., 2012).<\/p>\n<p><strong><u>Official Control<\/u>:\u00a0<\/strong> In California <em>C. theobromicola <\/em>is an actionable, Q-rated pathogen, and infected plant material is subject to destruction or rejection.<\/p>\n<p><strong><u>California Distribution<\/u>:<\/strong> <em>Colletotrichum theobromicola <\/em>is not established in California (see \u201cInitiating Event\u201d).<\/p>\n<p><strong><u>California Interceptions<\/u>:<\/strong> Two interceptions of <em>Colletotrichum theobromicola-<\/em>infected sugar apple fruit (see \u2018Initiating event\u2019).<\/p>\n<p>The risk <em>Colletotrichum theobromicola<\/em> would pose to California is evaluated below.<\/p>\n<h5><strong>Consequences of Introduction:\u00a0 <\/strong><\/h5>\n<p><strong>1) Climate\/Host Interaction:<\/strong> Evaluate if the pest would have suitable hosts and climate to establish in California. Score:<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) Not likely to establish in California; or likely to establish in very limited areas.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>&#8211; Medium (2)<\/strong> may be able to establish in a larger but limited part of California.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) likely to establish a widespread distribution in California.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong><em>Risk is Medium (2) <\/em><\/strong><em>\u2013 Similar to other species of <\/em>Colletotrichum<em>, <\/em>C. theobromicola<em> requires humid, wet, rainy weather for conidia to infect host plants. This environmental requirement may limit the ability of the pathogen to fully establish and spread under dry field conditions in California.<\/em><\/span><\/p>\n<p><strong>2) Known Pest Host Range:<\/strong> Evaluate the host range of the pest. Score:<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) has a very limited host range.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>&#8211; Medium (2)<\/strong> has a moderate host range.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) has a wide host range.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong><em>Risk is Moderate (2) <\/em><\/strong>\u2013 Colletotrichum theobromicola <em>has a moderate range of diverse hosts generally common in tropical and sub tropical regions. Of those hosts,strawberry, certain ornamentals, olive and oak are among the economically important hosts in California.<\/em><\/span><\/p>\n<p><strong>3) Pest Dispersal Potential:<\/strong> Evaluate the natural and artificial dispersal potential of the pest. Score:<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) does not have high reproductive or dispersal potential.<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Medium (2) has either high reproductive or dispersal potential.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>&#8211; High (3)<\/strong> has both high reproduction and dispersal potential.<\/span><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong><em>Risk is High (3) <\/em><\/strong><em>\u2013 The pathogen has high reproductive potential and conidia are produced successively.\u00a0 They are transmitted by wind, wind-driven rain, cultivation tools, and human contact however conidial germination and plant infection require long, wet periods.<\/em><\/span><\/p>\n<p><strong>4) Economic Impact:<\/strong> Evaluate the economic impact of the pest to California using the criteria below. Score:<\/p>\n<p style=\"padding-left: 30px;\">A. \u00a0The pest could lower crop yield.<\/p>\n<p style=\"padding-left: 30px;\">B. \u00a0The pest could lower crop value (includes increasing crop production costs).<\/p>\n<p style=\"padding-left: 30px;\">C. \u00a0The pest could trigger the loss of markets (includes quarantines).<\/p>\n<p style=\"padding-left: 30px;\">D. \u00a0The pest could negatively change normal cultural practices.<\/p>\n<p style=\"padding-left: 30px;\">E. \u00a0The pest can vector, or is vectored, by another pestiferous organism.<\/p>\n<p style=\"padding-left: 30px;\">F. \u00a0The organism is injurious or poisonous to agriculturally important animals.<\/p>\n<p style=\"padding-left: 30px;\">G. \u00a0The organism can interfere with the delivery or supply of water for agricultural uses.<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) causes 0 or 1 of these impacts.<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Medium (2) causes 2 of these impacts.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>&#8211; High (3)<\/strong> causes 3 or more of these impacts.<\/span><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong><em>Risk is High (3)<\/em><\/strong><em> \u2013 Productions of strawberry fruit and nursery grown ornamental plants, in particular, can be limited by their susceptibility to anthracnose under wet conditions. Therefore, under suitable climates, the pathogen could lower plant growth, fruit production and value and trigger the loss of markets. <\/em><\/span><\/p>\n<p><strong>5) Environmental Impact:<\/strong> Evaluate the environmental impact of the pest on California using the criteria below.<\/p>\n<p style=\"padding-left: 30px;\">A. \u00a0The pest could have a significant environmental impact such as lowering biodiversity, disrupting natural communities, or changing ecosystem processes.<\/p>\n<p style=\"padding-left: 30px;\">B. \u00a0The pest could directly affect threatened or endangered species.<\/p>\n<p style=\"padding-left: 30px;\">C. \u00a0The pest could impact threatened or endangered species by disrupting critical habitats.<\/p>\n<p style=\"padding-left: 30px;\">D. \u00a0The pest could trigger additional official or private treatment programs.<\/p>\n<p style=\"padding-left: 30px;\">E. \u00a0The pest significantly impacts cultural practices, home\/urban gardening or ornamental plantings.<\/p>\n<p>Score the pest for Environmental Impact. Score:<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) causes none of the above to occur.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>&#8211; Medium (2)<\/strong> causes one of the above to occur.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) causes two or more of the above to occur.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong><em>Risk is <\/em><\/strong><strong><em>Medium (2<\/em><\/strong><strong><em>) <\/em><\/strong><em>\u2013 The pathogen could significantly impact cultural practices or home garden plantings.<\/em><\/span><\/p>\n<h5><strong>Consequences of Introduction to California for <em>Colletotrichum theobromicola:<\/em><\/strong><\/h5>\n<p>Add up the total score and include it here. (Score)<\/p>\n<p style=\"padding-left: 30px;\">-Low = 5-8 points<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>-Medium<\/strong> = 9-12 points<\/span><\/p>\n<p style=\"padding-left: 30px;\">-High = 13-15 points<\/p>\n<p>Total points obtained on evaluation of consequences of introduction of <em>Colletotrichum theobromicola <\/em>to California =<span style=\"color: #008000;\"> <strong>(12).<\/strong><\/span><\/p>\n<p><strong>6) Post Entry Distribution and Survey Information:<\/strong> Evaluate the known distribution in California. Only official records identified by a taxonomic expert and supported by voucher specimens deposited in natural history collections should be considered. Pest incursions that have been eradicated, are under eradication, or have been delimited with no further detections should not be included. (Score)<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>-Not established (0)<\/strong> Pest never detected in California, or known only from incursions.<\/span><\/p>\n<p style=\"padding-left: 30px;\">-Low (-1) Pest has a localized distribution in California, or is established in one suitable climate\/host area (region).<\/p>\n<p style=\"padding-left: 30px;\">-Medium (-2) Pest is widespread in California but not fully established in the endangered area, or pest established in two contiguous suitable climate\/host areas.<\/p>\n<p style=\"padding-left: 30px;\">-High (-3) Pest has fully established in the endangered area, or pest is reported in more than two contiguous or non-contiguous suitable climate\/host areas.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong><em>Evaluation is not established (0).\u00a0 <\/em><\/strong>Colletotrichum theobromicola <em>is not established in California.\u00a0<\/em><\/span><\/p>\n<h5>Final Score:<\/h5>\n<p><strong>7) The final score is<\/strong> the consequences of introduction score minus the post entry distribution and survey information score: (Score)<\/p>\n<p><strong><em><span style=\"color: #008000;\">Final Score:<\/span> <\/em><\/strong><em>\u00a0Score of Consequences of Introduction \u2013 Score of Post Entry Distribution and Survey Information<span style=\"color: #008000;\"> <strong>=<\/strong> <strong>12.<\/strong><\/span><\/em><\/p>\n<h5><strong>Uncertainty:<\/strong><\/h5>\n<p><em>None.<\/em><\/p>\n<h5><strong>Conclusion and Rating Justification: <\/strong><\/h5>\n<p>Based on the evidence provided above <strong>the proposed rating for the anthracnose pathogen, <em>Colletotrichum theobromicola<\/em> is B.<\/strong><\/p>\n<h5><strong>References:<\/strong><\/h5>\n<p><strong>C<\/strong>ABI.\u00a0 2015.\u00a0 <em>Colletotrichum fragariae <\/em>(anthracnose of strawberry) full datasheet report.\u00a0 Crop Protection Compendium.\u00a0 <a href=\"http:\/\/www.cabi.org\/cpc\/\" target=\"_blank\" rel=\"noopener\">www.cabi.org\/cpc\/<\/a><\/p>\n<p><strong>F<\/strong>arr, D. F., &amp; A. Y. Rossman.\u00a0 Fungal databases, systematic mycology and microbiology laboratory, ARS, USDA. Retrieved April 7, 2015, from<\/p>\n<p><a href=\"http:\/\/nt.ars-grin.gov\/fungaldatabases\/\" target=\"_blank\" rel=\"noopener\">http:\/\/nt.ars-grin.gov\/fungaldatabases\/<\/a><\/p>\n<p><strong>G<\/strong>unnell, P. S., and W. D. Gubler. \u00a01992.\u00a0 Taxonomy and morphology of Colletotrichum species pathogenic to strawberry.\u00a0 Mycologia 84:157-165.<\/p>\n<p><strong>W<\/strong>eir, B. S., P. R. Johnston, and U. Damm.\u00a0 2012.\u00a0 The <em>Colletotrichum gloeosporioides<\/em> species complex.\u00a0 Studies in Mycology, 73:115-180. DOI:10.3114\/sim0011.<\/p>\n<h5><strong>Responsible Party:<\/strong><\/h5>\n<p>John J. Chitambar, Primary Plant Pathologist\/Nematologist, California Department of Food and Agriculture, 3294 Meadowview Road, Sacramento, CA 95832. Phone: 916-262-1110, plant.health[@]cdfa.ca.gov.<\/p>\n<hr \/>\n<h3>Pest Rating: \u00a0B<\/h3>\n<hr \/>\n<p><em>Posted by ls<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>California Pest Rating for Colletotrichum theobromicola Declr. 1905 Pest Rating: \u00a0B PEST RATING PROFILE Initiating Event: \u00a0 On September 8, 2015 diseased Coleonema sp. (breath of heaven) seedlings exhibiting blight symptoms were collected from a nursery in Sacramento by Sacramento County Agricultural officials, and sent to the CDFA Plant Diagnostics Branch for diagnosis.\u00a0 Suzanne Latham, &hellip; <a href=\"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1281\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Colletotrichum theobromicola Declr. 1905<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1117,"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":[8,4],"tags":[221,46,41],"class_list":["post-1281","post","type-post","status-publish","format-standard","hentry","category-fungi","category-plant-pathology","tag-colletotrichum-theobromicola","tag-fungi-2","tag-plant-pathogens"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5l8vQ-kF","jetpack-related-posts":[{"id":1279,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1279","url_meta":{"origin":1281,"position":0},"title":"Colletotrichum queenslandicum B. 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Cai & K. D. Hyde, 2009 Pest Rating: B PEST RATING PROFILE Initiating Event: \u00a0 On June 26, 2015, a California Dog Team intercepted Cacao seed pods with necrotic spots at a parcel distribution facility in Mariposa County and sent a\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":[]},{"id":8642,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=8642","url_meta":{"origin":1281,"position":2},"title":"Colletotrichum\u00a0fioriniae (Marcelino\u00a0&#038;\u00a0Gouli)\u00a0Pennycook\u00a02017 Anthracnose Fruit and Crown Rot of Strawberry","author":"Heather.Martin","date":"July 2, 2021","format":false,"excerpt":"California Pest Rating for Colletotrichum fioriniae (Marcelino & Gouli) Pennycook 2007 2017 Anthracnose Fruit and Crown Rot of StrawberryPest 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\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":1141,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1141","url_meta":{"origin":1281,"position":3},"title":"Colletotrichum asianum Prihastuti, L. Cai &#038; K. D. Hyde, 2009","author":"Admin","date":"October 9, 2015","format":false,"excerpt":"California Pest Rating for Colletotrichum asianum Prihastuti, L. Cai & K. D. Hyde, 2009 Pest Rating: B PEST RATING PROFILE Initiating Event: During July, 2014, mango fruit exhibiting spots or lesions were intercepted by the CDFA Dog Team in Santa Clara County and samples of symptomatic fruit were sent to\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":[]},{"id":1047,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1047","url_meta":{"origin":1281,"position":4},"title":"Colletotrichum petchii Damm, P. F. Cannon &#038; Crous, 2012","author":"Admin","date":"June 1, 2015","format":false,"excerpt":"California Pest Rating for Colletotrichum petchii Damm, P. F. Cannon & Crous, 2012 Pest\u00a0Rating: B PEST RATING PROFILE Initiating Event: \u00a0\u00a0\u00a0 In January 2015, the fungal pathogen Colletotrichum petchii, was detected in infected potted Dracaena deremensis (corn plant) in a nursery in Vista, San Diego County, California.\u00a0 The plants were\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":[]},{"id":4257,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=4257","url_meta":{"origin":1281,"position":5},"title":"Colletotrichum aracearum","author":"Admin","date":"November 29, 2017","format":false,"excerpt":"California Pest Rating for Colletotrichum aracearum L. W. Hou & L. Cai 2016 PEST RATING: B PEST RATING PROFILE Initiating Event: \u00a0 On July 28, 2017, diseased Cymbidium sp. plants exhibiting leaf spots, were detected by the CDFA Dog Team, in a shipment of plants that had originated in and\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":[]}],"_links":{"self":[{"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts\/1281","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\/1117"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1281"}],"version-history":[{"count":7,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts\/1281\/revisions"}],"predecessor-version":[{"id":10495,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=\/wp\/v2\/posts\/1281\/revisions\/10495"}],"wp:attachment":[{"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1281"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1281"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1281"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}