{"id":4733,"date":"2026-05-15T12:38:24","date_gmt":"2026-05-15T09:38:24","guid":{"rendered":"https:\/\/www.acccflagship.fi\/?p=4733"},"modified":"2026-05-15T12:38:28","modified_gmt":"2026-05-15T09:38:28","slug":"puut-keskustelevat-keskenaan-osaavat-varoittaa-toisiaan","status":"publish","type":"post","link":"https:\/\/www.acccflagship.fi\/index.php\/2026\/05\/15\/puut-keskustelevat-keskenaan-osaavat-varoittaa-toisiaan\/","title":{"rendered":"Puut keskustelevat kesken\u00e4\u00e4n \u2013 osaavat varoittaa toisiaan"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><strong>Puut osaavat keskustella kesken\u00e4\u00e4n. Ne v\u00e4litt\u00e4v\u00e4t toisilleen kemiallisia viestej\u00e4 esimerkiksi varoittaakseen tuhohy\u00f6nteisist\u00e4. Viestien ansiosta puut ehtiv\u00e4t varautua uhkiin ja selviytyv\u00e4t paremmin. Tutkijat yritt\u00e4v\u00e4t uudessa tutkimushankkeessa selvitt\u00e4\u00e4, miten puiden viestint\u00e4 toimii ja mihin kaikkeen se vaikuttaa.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mets\u00e4n puut keskustelevat kesken\u00e4\u00e4n, vaikka me emme sit\u00e4 kuule.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 Se tapahtuu kemian avulla. Puut eritt\u00e4v\u00e4t helposti haihtuvia yhdisteit\u00e4. Ne pystyv\u00e4t houkuttelemaan puita sy\u00f6vien kasvinsy\u00f6jien vihollisia, selitt\u00e4\u00e4 professori <strong>Juha-Pekka Salminen <\/strong>Turun yliopistosta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Puiden puheenaiheena ovat ainakin tuhohy\u00f6nteiset, joista puut varoittavat toisiaan. Kemiallisten yhdisteiden avulla v\u00e4litetyt viestit kulkevat pitki\u00e4kin matkoja.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 Ne hapettuvat ilmakeh\u00e4ss\u00e4, voivat muodostaa aerosoleja, jotka voivat kulkeutua pitk\u00e4n matkaa my\u00f6skin sellaisten puiden pinnalle, jotka eiv\u00e4t viel\u00e4 k\u00e4rsi tuholaisista. Sit\u00e4 kautta aerosolit puun lehden tai neulasen pinnalle p\u00e4\u00e4tyess\u00e4\u00e4n pystyv\u00e4t vaikuttamaan puun kykyyn puolustautua itse ja my\u00f6s tulevaisuuden tuholaisia vastaan, joita ei siell\u00e4 viel\u00e4 t\u00e4ll\u00e4 hetkell\u00e4 ole, sanoo Salminen.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Puiden eritt\u00e4mi\u00e4 yhdisteit\u00e4 tutkitaan<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ilmatieteen laitoksen laboratoriossa tutkitaan puiden eritt\u00e4mi\u00e4 kemiallisia yhdisteit\u00e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 Ker\u00e4\u00e4mme ilmasta n\u00e4it\u00e4 yhdisteit\u00e4 ja analysoimme tarkasti, mit\u00e4 eri yhdisteit\u00e4 siell\u00e4 on. Kaikilla niill\u00e4 yhdisteill\u00e4 on v\u00e4h\u00e4n erilaisia vaikutuksia ilmassa ja my\u00f6s puiden v\u00e4lisess\u00e4 viestinn\u00e4ss\u00e4, tiet\u00e4\u00e4 ryhm\u00e4p\u00e4\u00e4llikk\u00f6 <strong>Heidi Hell\u00e9n<\/strong> Ilmatieteen laitokselta.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Puiden viestit vaikuttavat ilmanlaatuun<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Puiden eritt\u00e4mill\u00e4 yhdisteill\u00e4 on vaikutusta my\u00f6s ilmanlaatuun.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2013 Viestit eiv\u00e4t j\u00e4\u00e4 vain mets\u00e4n sis\u00e4iseen k\u00e4ytt\u00f6\u00f6n vaan ne levi\u00e4v\u00e4t ilmassa ja muuntuvat. Ne vaikuttavat ilmanlaatuun esimerkiksi sen kautta, ett\u00e4 ne muodostavat muiden aineiden kanssa reagoidessaan otsonia ja pienhiukkasia, kertoo Hell\u00e9n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.mtvuutiset.fi\/artikkeli\/puut-keskustelevat-keskenaan-osaavat-varoittaa-toisiaan\/9337276?utm_source=copy_url&amp;utm_medium=copy_url&amp;utm_campaign=share&amp;utm_term=production,mtvuutiset\">Lue koko uutinen mtv-uutisten sivuilta.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Puut osaavat keskustella kesken\u00e4\u00e4n. Ne v\u00e4litt\u00e4v\u00e4t toisilleen kemiallisia viestej\u00e4 esimerkiksi varoittaakseen tuhohy\u00f6nteisist\u00e4. Viestien ansiosta puut ehtiv\u00e4t varautua uhkiin ja selviytyv\u00e4t paremmin. Tutkijat yritt\u00e4v\u00e4t uudessa tutkimushankkeessa selvitt\u00e4\u00e4, miten puiden viestint\u00e4 toimii ja mihin kaikkeen se vaikuttaa. Mets\u00e4n puut keskustelevat kesken\u00e4\u00e4n, vaikka me emme sit\u00e4 kuule. \u2013 Se tapahtuu kemian avulla. Puut eritt\u00e4v\u00e4t helposti haihtuvia yhdisteit\u00e4. Ne [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":2541,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_vp_format_video_url":"","_vp_image_focal_point":{"x":0.5,"y":0.5500000000000000444089209850062616169452667236328125},"footnotes":""},"categories":[140,25],"tags":[55],"class_list":["post-4733","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-impact-en","category-uncategorized-en","tag-accc"],"featured_image_src":"https:\/\/www.acccflagship.fi\/wp-content\/uploads\/ACCC-news-1.png","author_info":{"display_name":"mkulmala","author_link":"https:\/\/www.acccflagship.fi\/index.php\/author\/mkulmala\/"},"_links":{"self":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts\/4733","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/comments?post=4733"}],"version-history":[{"count":1,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts\/4733\/revisions"}],"predecessor-version":[{"id":4734,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/posts\/4733\/revisions\/4734"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/media\/2541"}],"wp:attachment":[{"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/media?parent=4733"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/categories?post=4733"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.acccflagship.fi\/index.php\/wp-json\/wp\/v2\/tags?post=4733"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}