{"id":1738,"date":"2018-11-25T07:58:54","date_gmt":"2018-11-25T07:58:54","guid":{"rendered":"http:\/\/www.associationdevalescure.fr\/www\/?p=1738"},"modified":"2019-12-15T15:08:44","modified_gmt":"2019-12-15T15:08:44","slug":"25-novembre-2018-alchimie-des-couleurs-dautomne-a-valescure","status":"publish","type":"post","link":"https:\/\/www.associationdevalescure.fr\/www\/25-novembre-2018-alchimie-des-couleurs-dautomne-a-valescure\/","title":{"rendered":"25 novembre 2018 &#8211; Alchimie des couleurs d&rsquo;automne \u00e0 Valescure"},"content":{"rendered":"<p><img loading=\"lazy\" class=\"size-full wp-image-1762 aligncenter\" src=\"http:\/\/www.associationdevalescure.fr\/www\/wp-content\/uploads\/2018\/11\/IMG_0024.jpg\" alt=\"\" width=\"719\" height=\"642\" srcset=\"https:\/\/www.associationdevalescure.fr\/www\/wp-content\/uploads\/2018\/11\/IMG_0024.jpg 719w, https:\/\/www.associationdevalescure.fr\/www\/wp-content\/uploads\/2018\/11\/IMG_0024-300x268.jpg 300w\" sizes=\"(max-width: 719px) 100vw, 719px\" \/><\/p>\n<p>Les v\u00e9g\u00e9taux poss\u00e8dent trois types de pigments color\u00e9s dont, en particulier le plus important, la chlorophylle qui donne sa belle et tr\u00e8s diff\u00e9renci\u00e9e couleur verte \u00e0 leurs feuilles.<\/p>\n<p>Durant la longue p\u00e9riode printani\u00e8re\/estivale, ce compos\u00e9 fragile se renouvelle tr\u00e8s r\u00e9guli\u00e8rement.<\/p>\n<p>A l&rsquo;automne, par contre, les arbres et les arbustes n&rsquo;ont plus suffisamment d&rsquo;\u00e9nergie, de chaleur et de lumi\u00e8re pour en produire et, petit \u00e0 petit, en septembre-octobre elle dispara\u00eet.<\/p>\n<p>Les deux autres pigments des feuilles, les carot\u00e8nes (jaune) et les anthocyanes (rouge-violet) apparaissent. Plus stables, ces deux types de compos\u00e9s color\u00e9s s&rsquo;accumulent dans les tissus foliaires en octobre et novembre en particulier si le temps est stable, ensoleill\u00e9 et peu venteux.<\/p>\n<p>C&rsquo;est l'\u00a0\u00bb\u00e9t\u00e9 indien\u00a0\u00bb, ici \u00e0 Valescure et dans l&rsquo;Est\u00e9rel et les Maures o\u00f9 les frondaisons s&#8217;embrasent d&rsquo;un jaune clair au jaune vif, puis d&rsquo;un pourpre, d&rsquo;un rouge intense et d&rsquo;un violet&#8230;. C&rsquo;est la r\u00e9compense pour les jardiniers et les amoureux de la nature.<\/p>\n<p style=\"text-align: center;\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-1761\" src=\"http:\/\/www.associationdevalescure.fr\/www\/wp-content\/uploads\/2018\/11\/IMG_0020.jpg\" alt=\"\" width=\"712\" height=\"679\" srcset=\"https:\/\/www.associationdevalescure.fr\/www\/wp-content\/uploads\/2018\/11\/IMG_0020.jpg 712w, https:\/\/www.associationdevalescure.fr\/www\/wp-content\/uploads\/2018\/11\/IMG_0020-300x286.jpg 300w\" sizes=\"(max-width: 712px) 100vw, 712px\" \/><\/p>\n<p style=\"text-align: right;\">Pierre Fernez<\/p>\n<p style=\"text-align: right;\">Agronome<\/p>\n<p>Les arbres \u00e0 planter \u00e0 Valescure pour avoir, dans les jardins \u00e0 l&rsquo;automne, de magnifiques couleurs : fusains Euonymus alatus, Grandiflorus, Diasanthus, Liquidambar&#8230;<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"http:\/\/www.associationdevalescure.fr\/www\/25-novembre-2018-alchimie-des-couleurs-dautomne-a-valescure\/\"><em>Haut de page\u00a0<strong>\u2191<\/strong><\/em><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Les v\u00e9g\u00e9taux poss\u00e8dent trois types de pigments color\u00e9s dont, en particulier le plus important, la chlorophylle qui donne sa belle et tr\u00e8s diff\u00e9renci\u00e9e couleur verte <a class=\"mh-excerpt-more\" href=\"https:\/\/www.associationdevalescure.fr\/www\/25-novembre-2018-alchimie-des-couleurs-dautomne-a-valescure\/\" title=\"25 novembre 2018 &#8211; Alchimie des couleurs d&rsquo;automne \u00e0 Valescure\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[26],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v16.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>25 novembre 2018 - Alchimie des couleurs d&#039;automne \u00e0 Valescure &middot; Association de Valescure Fr\u00e9jus \/ Saint-Rapha\u00ebl<\/title>\n<meta name=\"description\" content=\"association, loi 1901, valescure, frejus, saint-raphael, cadre de vie, fernez, qualite de vie, urbanisme, environnement, patrimoine\" \/>\n<link rel=\"canonical\" href=\"http:\/\/www.associationdevalescure.fr\/www\/25-novembre-2018-alchimie-des-couleurs-dautomne-a-valescure\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"25 novembre 2018 - Alchimie des couleurs d&#039;automne \u00e0 Valescure &middot; 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