{"id":112860,"date":"2013-05-05T14:11:32","date_gmt":"2013-05-05T12:11:32","guid":{"rendered":"http:\/\/www.pcnen.com\/portal\/?p=112860"},"modified":"2013-05-05T14:12:50","modified_gmt":"2013-05-05T12:12:50","slug":"poranile-i-bukvine-lisne-vasi","status":"publish","type":"post","link":"https:\/\/www.pcnen.com\/portal\/2013\/05\/05\/poranile-i-bukvine-lisne-vasi\/","title":{"rendered":"Poranile i bukvine lisne va\u0161i"},"content":{"rendered":"<p><a href=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-112861\" title=\"Phyllaphis_fagi_1\" src=\"http:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-300x225.jpg 300w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-768x576.jpg 768w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-580x435.jpg 580w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-450x337.jpg 450w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-480x360.jpg 480w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-235x176.jpg 235w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-75x56.jpg 75w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-350x262.jpg 350w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1-220x165.jpg 220w, https:\/\/www.pcnen.com\/portal\/wp-content\/uploads\/2013\/05\/Phyllaphis_fagi_1.jpg 844w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a>Ovoga prolje\u0107a, kada su bukova stable zbog toplog vremena na podru\u010dju Durmitora olistala ranije nego pro\u0161lih godina, pojavile su se na listovima i plavi\u010dasti insekti koji zbunjuju laike.<\/p>\n<p>Rije\u010d je, kako ka\u017eu stru\u010dnjaci, o bukvinoj lisnoj va\u0161i (Phylaphis fagi), koja je redovno prisutna u sastojinama bukve na na\u0161im prostorima, ali i u cijeloj Evropi i Sjevernoj Americi.<\/p>\n<p>Ova \u017eivuljka kompletan \u017eivotni ciklus zavr\u0161ava na bukvi kao hraniteljki. Prezimljava u stadijumu jajeta na gran\u010dicama, a krajem aprila i tokom maja na nali\u010dju listova bukve razvijaju se fundatrix \u017eenke. Njihovo potomstvo (virgins \u017eenke) odrastaju u junu i julu. Krilate su i prelije\u0107u sa stabla na stablo. To se sada, zbog toplog vremena, de\u0161ava po\u010detkom maja.<\/p>\n<p>Kada su vremenski uslovi uobi\u010dajeni, tokom avgusta i septembra razvijaju se sexuparae \u017eenke, koje \u0107e osnovati sexuales generaciju, odnosno mu\u017ejake i \u017eenke. Oni polno sazrijevaju krajem oktobra, kopuliraju i pola\u017eu jaja koja \u0107e prezimeti.<\/p>\n<p>Pojedinih godina, kakva je ova, populacije bukvine lisne va\u0161i su toliko brojne, da kada virgines \u017eenke prelije\u0107u sa stabla na stablo, u vazduhu ih je toliko mnogo da se te\u0161ko mo\u017ee disati. Prilikom njihovog razvi\u0107a na nali\u010dju listova, usljed sisanja sokova listovi se povijaju i \u010desto su\u0161e. Tako\u0111e, usljed obilnog lu\u010denja medne rose, li\u0161\u0107e na napadnutim stablima je prekriveno ljepljivom skramom, \u0161to biljci ote\u017eava transpiraciju (proces odavanja vode &#8211; u vidu vodene pare -sa povr\u0161ine biljaka, naro\u010dito sa povr\u0161ine listova).<\/p>\n<p>\u0160tetan efekat bukvine lisne va\u0161i je te\u0161ko utvrditi, ali je, s obzirom na to da su joj populacije izuzetno brojne, sigurno da napadnutim stablima smanjuju fiziolo\u0161ku kondiciju, pogotovo ako se napad javlja vi\u0161e godina uzastopno.<\/p>\n<p>V.V.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ovoga prolje\u0107a, kada su bukova stable, zbog toplog vremena, na podru\u010dju Durmitora olistala ranije nego pro\u0161lih godina, pojavile su se na listovima i plavi\u010dasti insekti koji zbunjuju laike.<\/p>\n","protected":false},"author":1,"featured_media":112861,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","inline_featured_image":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-112860","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-zanimljivosti"],"_links":{"self":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/112860","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/comments?post=112860"}],"version-history":[{"count":0,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/posts\/112860\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media\/112861"}],"wp:attachment":[{"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/media?parent=112860"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/categories?post=112860"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.pcnen.com\/portal\/wp-json\/wp\/v2\/tags?post=112860"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}