{"id":5097,"date":"2023-12-13T08:15:53","date_gmt":"2023-12-13T07:15:53","guid":{"rendered":"https:\/\/lecompagnonrouge.fr\/?p=5097"},"modified":"2025-01-06T11:07:39","modified_gmt":"2025-01-06T10:07:39","slug":"beta-vulgaris-subsp-vulgaris-betterave","status":"publish","type":"post","link":"https:\/\/lecompagnonrouge.fr\/?p=5097","title":{"rendered":"Beta vulgaris subsp. vulgaris. Betterave"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">Beta vulgaris pr\u00e9sente des bords de limbes non ondul\u00e9es (ou moins ondul\u00e9es que ceux de <a href=\"https:\/\/lecompagnonrouge.fr\/?p=794\">Beta vulgaris subsp. maritima<\/a>).<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Plante notoirement monocaule \u00e0 la diff\u00e9rence de la <a href=\"https:\/\/lecompagnonrouge.fr\/?p=794\">sous-esp\u00e8ce maritima<\/a>, laquelle a des fleurs plus petites que Beta vulgaris subsp. macrocarpa.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">La sous esp\u00e8ce macrocarpa est rapidement distincte par la rapidit\u00e9 de sa floraison: inflorescence \u00e0 l&rsquo;aisselle des toutes premi\u00e8res feuilles. Cette sous-esp\u00e8ce est localis\u00e9e dans le sud de l&rsquo;Hexagone.<\/p>\n\n\n\n<p class=\"has-small-font-size\"><a href=\"https:\/\/lecompagnonrouge.fr\/?s=Caryophyllales\">Caryophyllales<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=Amaranthaceae\">Amaranthaceae<\/a>&gt;<a href=\"https:\/\/lecompagnonrouge.fr\/?s=Beta\">Beta<\/a>&nbsp;vulgaris subsp. vulgaris<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Pr\u00e9sence de cette plante peut-\u00eatre due \u00e0 un apport de terre (?) ou encore &#8230; Les bords de la rue Th\u00e9r\u00e8se Clerc (\u00e0 qui je rends hommage) ont \u00e9t\u00e9 ensemenc\u00e9e avec des plantes des prairies et cultures &#8230; Par ailleurs, la r\u00e9gion IDF produit de la betterave sucri\u00e8re.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Echapp\u00e9e des cultures sarcl\u00e9es.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Egalement: friches vivaces m\u00e9sohydriques, m\u00e9dio-europ\u00e9ennes. Dauco carotae subsp. carotae &#8211; Melilotion albi G\u00f6rs 1966<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Je tiens toutefois \u00e0 signaler Beta vulgaris subsp. vulgaris var. altissima, la Betterave sucri\u00e8re. Cette betterave r\u00e9clame pour la culture d&rsquo;importantes doses de phosphore et d&rsquo;azote. Il s&rsquo;agit donc d&rsquo;une culture extraordinairement polluante. Sans doute l&rsquo;une des plus polluantes de l&rsquo;industrie agricole fran\u00e7aise. Les deux produits chimiques pr\u00e9cit\u00e9s participent du changement global entrainant \u00e0 terme les mar\u00e9es vertes et l&rsquo;eutrophisation g\u00e9n\u00e9rale de la plan\u00e8te, d&rsquo;autant plus qu&rsquo;une partie de l&rsquo;azote se d\u00e9grade en gaz \u00e0 effet de serre. Ils sont consid\u00e9r\u00e9s comme agents de d\u00e9passement des limites plan\u00e9taires.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">L&rsquo;extr\u00eame exigence trophique de la culture de la Betterave sucri\u00e8re ne la met pas en faveur vis \u00e0 vis des insectes piqueurs-suceurs, lesquels peuvent aussi transmettre des maladies aux plantes.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Je voulais indiquer qu&rsquo;il existe des alternatives au sucre blanc. Le miel, bien s\u00fbr, en premier lieu. Mais la petite stevia pr\u00e9sente un aspect int\u00e9ressant, plus neutre gustativement que le miel. Elle se cultive domestiquement. Pour l&rsquo;hiver, elle tiendra dans un espace bien lumineux, pr\u00e8s d&rsquo;une fen\u00eatre. Le sirop des vari\u00e9t\u00e9s de sorgho sucriers pr\u00e9sentent certainement un meilleur rapport \u00e9cologique que la betterave. C&rsquo;est utilis\u00e9 aux Etats Unis et au Canada. Le sirop n&rsquo;est sans doute pas totalement cristallisable. L&rsquo;Erable \u00e0 sucre peut aussi \u00eatre cultiv\u00e9 domestiquement. J&rsquo;encourage quiconque \u00e0 abandonner le sucre blanc.<\/p>\n\n\n\t\t<div\n            id=\"wpmapblock_13a9c125\"\n            data-settings='{&quot;map_marker&quot;:[{&quot;lat&quot;:&quot;48.859767&quot;,&quot;lng&quot;:&quot;2.427279&quot;,&quot;title&quot;:&quot;Beta vulgaris subsp. vulgaris&quot;,&quot;content&quot;:&quot;72 m&quot;,&quot;iconType&quot;:&quot;default&quot;,&quot;customIconUrl&quot;:&quot;&quot;,&quot;customIconWidth&quot;:&quot;25&quot;,&quot;customIconHeight&quot;:&quot;40&quot;}],&quot;map_zoom&quot;:&quot;17&quot;,&quot;scroll_wheel_zoom&quot;:false,&quot;map_type&quot;:&quot;OSM&quot;,&quot;center_index&quot;:0}'\n            class=\"wpmapblockrender\"\n            style=\"\n\t\t\twidth: 100%;\n\t\t\theight: 500px;\n\t\t\"\n            >\n        <\/div>\n        ","protected":false},"excerpt":{"rendered":"<p>Beta vulgaris pr\u00e9sente des bords de limbes non ondul\u00e9es (ou moins ondul\u00e9es que ceux de Beta vulgaris subsp. maritima). Plante notoirement monocaule \u00e0 la diff\u00e9rence de la sous-esp\u00e8ce maritima, laquelle a des fleurs plus petites que Beta vulgaris subsp. macrocarpa. La sous esp\u00e8ce macrocarpa est rapidement distincte par la rapidit\u00e9 de sa floraison: inflorescence \u00e0&#8230;<\/p>\n","protected":false},"author":1,"featured_media":5098,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[218,831],"tags":[217],"class_list":["post-5097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-amaranthaceae","category-beta-vulgaris-subsp-vulgaris","tag-betterave"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Beta vulgaris subsp. vulgaris. 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