{"id":252,"date":"2018-05-31T20:35:28","date_gmt":"2018-05-31T20:35:28","guid":{"rendered":"http:\/\/blogs.oregonstate.edu\/coarcplantpathology\/?p=252"},"modified":"2019-05-06T20:23:06","modified_gmt":"2019-05-06T20:23:06","slug":"ergot-spore-trap-update-may-31","status":"publish","type":"post","link":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/2018\/05\/31\/ergot-spore-trap-update-may-31\/","title":{"rendered":"2018 Ergot Spore Trap UPDATE: May 31"},"content":{"rendered":"<p>We are still detecting ergot ascopores on most days at all spore trap sites:<\/p>\n<p><a href=\"http:\/\/blogs.oregonstate.edu\/coarecplantpathology\/files\/2018\/05\/ergot-spore-trap-update-may-31.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-253\" src=\"http:\/\/blogs.oregonstate.edu\/coarecplantpathology\/files\/2018\/05\/ergot-spore-trap-update-may-31-300x198.jpg\" alt=\"\" width=\"300\" height=\"198\" srcset=\"https:\/\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/3233\/files\/2018\/05\/ergot-spore-trap-update-may-31-300x198.jpg 300w, https:\/\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/3233\/files\/2018\/05\/ergot-spore-trap-update-may-31-768x506.jpg 768w, https:\/\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/3233\/files\/2018\/05\/ergot-spore-trap-update-may-31.jpg 908w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>Ascospore production by the pathogen is favored by:<\/p>\n<ul>\n<li>moderate temperatures (\u226480\u00b0F)<\/li>\n<li>high soil moisture, rainfall, and\/or irrigation.<\/li>\n<li>conditions that delay or interfere with pollination, such as cool, wet weather, can increase the period of susceptibility in grass seed crops.<\/li>\n<\/ul>\n<p>It is recommended that growers scout fields as grass seed crops approach anthesis.<\/p>\n<p>Protective fungicides should be applied prior to the onset of anthesis to protect unfertilized flowers from infection.<\/p>\n<p>Cultivars with prolonged flowering periods may require multiple applications.<\/p>\n<p>Please refer to the PNW Plant Disease Management Handbook for more information (<a href=\"https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/grass-seed-ergot\">https:\/\/pnwhandbooks.org\/plantdisease\/host-disease\/grass-seed-ergot<\/a>).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We are still detecting ergot ascopores on most days at all spore trap sites: Ascospore production by the pathogen is favored by: moderate temperatures (\u226480\u00b0F) high soil moisture, rainfall, and\/or irrigation. conditions that delay or interfere with pollination, such as cool, wet weather, can increase the period of susceptibility in grass seed crops. It is&hellip; <a href=\"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/2018\/05\/31\/ergot-spore-trap-update-may-31\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":8969,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1269983],"tags":[],"class_list":["post-252","post","type-post","status-publish","format-standard","hentry","category-ergot-alerts"],"_links":{"self":[{"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/posts\/252","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/users\/8969"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/comments?post=252"}],"version-history":[{"count":1,"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/posts\/252\/revisions"}],"predecessor-version":[{"id":406,"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/posts\/252\/revisions\/406"}],"wp:attachment":[{"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/media?parent=252"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/categories?post=252"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/coarecplantpathology\/wp-json\/wp\/v2\/tags?post=252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}