{"id":12270,"date":"2017-05-26T17:02:08","date_gmt":"2017-05-26T21:02:08","guid":{"rendered":"https:\/\/extension.umaine.edu\/blueberries\/?p=12270"},"modified":"2020-04-15T10:27:50","modified_gmt":"2020-04-15T14:27:50","slug":"botrytis-risk-from-thursday-may-25-to-friday-may-26","status":"publish","type":"post","link":"https:\/\/extension.umaine.edu\/blueberries\/2017\/05\/26\/botrytis-risk-from-thursday-may-25-to-friday-may-26\/","title":{"rendered":"5.25.17 Botrytis Risk from May 25 to May 26"},"content":{"rendered":"

Mummy Berry<\/strong><\/h3>\n

Mummy berry symptoms have appeared in many growers fields.\u00a0 You may be finding both dead flowers and leaves on your plants.\u00a0 If it looks like the flowers did not open before they died, the flowers were probably killed by mummy berry. You can see grey masses of spores at the base of the flowers or dead leaves.<\/p>\n

Botrytis<\/strong><\/h3>\n

Botrytis is another disease that may kill your flowers.\u00a0 It is more likely to attack almost open and open flowers.\u00a0 The flowers will die and have black hairs sticking out from them.\u00a0 Botrytis typically spreads from dead flowers to other flowers and sometimes leaves The presence of Botrytis in a field has been highly variable over the years.\u00a0 You need to scout to see if you have the disease before applying fungicides to control this disease. There has been enough wetness to cause Botrytis infection at some of our weather stations, but ONLY if the fungus was already present in the field.\u00a0\u00a0 If you are in early bloom and have confirmed you have flowers infected with Botrytis, you may want to consider protecting your plants from further Botrytis infection if it looks like we will have a substantial amount of rain in your area.\u00a0 If you are already in late bloom, fungicide sprays are not going to be cost effective.<\/p>\n

Botrytis kills almost open (pink stage)\u00a0 and open flowers<\/strong>. There may be only a few flowers in a cluster or a few clusters of flowers on a stem that are infected.\u00a0 The characteristic sign of the fungus is black hairs (often with gray spore masses at their tips) sticking out from the dead flowers. You may need to use a magnifying glass to the see the hairs on the flowers.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Location <\/strong><\/td>\nRisk of Botrytis infection during last rain period,
\n<\/strong>Thursday, May 25 to Friday, May 26 at 4:00 p.m.<\/strong><\/td>\n<\/tr>\n<\/thead>\n
Waldoboro<\/td>\nhigh<\/td>\n<\/tr>\n
W. Rockport<\/td>\nhigh<\/td>\n<\/tr>\n
Appleton<\/td>\nhigh<\/td>\n<\/tr>\n
Searsport<\/td>\nhigh<\/td>\n<\/tr>\n
Ellsworth<\/td>\nlow<\/td>\n<\/tr>\n
Eastbrook<\/td>\nhigh<\/td>\n<\/tr>\n
Sedgwick<\/td>\nhigh<\/td>\n<\/tr>\n
Aurora<\/td>\nnone<\/td>\n<\/tr>\n
Deblois<\/td>\nmoderate<\/td>\n<\/tr>\n
Spring Pond<\/td>\nlow<\/td>\n<\/tr>\n
Jonesboro<\/td>\nlow<\/td>\n<\/tr>\n
East Machias<\/td>\nlow<\/td>\n<\/tr>\n
Crawford (Love Lake)<\/td>\nlow<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Please see the 2018 fungicide recommendations on the Fact Sheet 219 – Disease Control Guide for Wild Blueberries<\/em><\/a> and the most current\u00a0Maine Wild Blueberry Pesticide Chart (Fungicides) (PDF)<\/a>.<\/p>\n

\u2013 Seanna Annis<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Mummy Berry Mummy berry symptoms have appeared in many growers fields.\u00a0 You may be finding both dead flowers and leaves on your plants.\u00a0 If it looks like the flowers did not open before they died, the flowers were probably killed by mummy berry. You can see grey masses of spores at the base of the […]<\/p>\n","protected":false},"author":117,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[131,2,5],"tags":[],"class_list":["post-12270","post","type-post","status-publish","format-standard","hentry","category-131","category-news","category-other-diseases-2"],"yoast_head":"\n5.25.17 Botrytis Risk from May 25 to May 26 - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/extension.umaine.edu\/blueberries\/2017\/05\/26\/botrytis-risk-from-thursday-may-25-to-friday-may-26\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"5.25.17 Botrytis Risk from May 25 to May 26 - Cooperative Extension: Maine Wild Blueberries - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"Mummy Berry Mummy berry symptoms have appeared in many growers fields.\u00a0 You may be finding both dead flowers and leaves on your plants.\u00a0 If it looks like the flowers did not open before they died, the flowers were probably killed by mummy berry. 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