{"id":8730,"date":"2016-12-01T09:57:50","date_gmt":"2016-12-01T08:57:50","guid":{"rendered":"http:\/\/www.irbab-kbivb.be\/?p=8730\/"},"modified":"2017-09-27T11:47:32","modified_gmt":"2017-09-27T09:47:32","slug":"conservation-des-betteraves-et-bachage-betteravier-decembre-2016","status":"publish","type":"post","link":"https:\/\/www.irbab-kbivb.be\/fr\/conservation-des-betteraves-et-bachage-betteravier-decembre-2016\/","title":{"rendered":"Conservation des betteraves et b\u00e2chage <em>(Betteravier d\u00e9cembre 2016)<\/em>"},"content":{"rendered":"<p><em>extrait de l&#8217;article publi\u00e9 dans &lsquo;le Betteravier&rsquo; de d\u00e9cembre\u00a02016<\/em><\/p>\n<p><!--more--><\/p>\n<p>Pour bien conserver les betteraves, il est apparu que la qualit\u00e9 de la r\u00e9colte est l&rsquo;\u00e9l\u00e9ment le plus d\u00e9terminant pour les potentialit\u00e9s de conservation des betteraves. La qualit\u00e9 de la r\u00e9colte peut s&rsquo;\u00e9valuer au niveau de la qualit\u00e9 de l&rsquo;effeuillage et du d\u00e9colletage, au niveau de la qualit\u00e9 du d\u00e9crottage r\u00e9alis\u00e9 par les machines d&rsquo;arrachage et de son impact sur les blessures faites aux racines. Les blessures aux racines (d\u00e9colletage trop profond, bris de pointes de racines, coups et blessures) sont autant de points \u00e0 cicatriser pour la betterave (aux d\u00e9pens de son m\u00e9tabolisme et de sa teneur en sucre). Ces blessures sont \u00e9galement autant de points d&rsquo;entr\u00e9e pour les moisissures de conservation.<br \/>\nPendant la conservation, la teneur en sucre des betteraves peut se d\u00e9grader en fonction de temp\u00e9ratures trop \u00e9lev\u00e9es (m\u00e9tabolisme plus important, fermentation et d\u00e9veloppement de moisissures de stockage) ou trop basses (gel\/d\u00e9gel entrainant la d\u00e9composition progressive des betteraves). Pendant toute cette p\u00e9riode, la respiration des betteraves mises en tas s&rsquo;effectue aux d\u00e9pens de la teneur en sucre des racines. Signalons \u00e0 ce niveau que la perte en sucre au cours de la conservation peut \u00e9galement \u00eatre due \u00e0 un d\u00e9colletage insuffisant, favorable \u00e0 la repousse foliaire, \u00e9galement consommatrice de sucre.<br \/>\nA partir de 300 degr\u00e9s jours, un d\u00e9but de pourrissement des betteraves (\u00b12% en poids de parties pourries) est g\u00e9n\u00e9ralement observ\u00e9. Ce pourrissement devient exponentiel par la suite.<\/p>\n<p>Auteur: Fran\u00e7oise Vancutsem<\/p>\n<hr \/>\n<p><em>L&#8217;article complet avec chiffres peut \u00eatre t\u00e9l\u00e9charg\u00e9 ici:<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>extrait de l&#8217;article publi\u00e9 dans &lsquo;le Betteravier&rsquo; de d\u00e9cembre\u00a02016<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"iawp_total_views":1,"footnotes":""},"categories":[205],"tags":[169],"class_list":["post-8730","post","type-post","status-publish","format-standard","hentry","category-conservation","tag-articles-presentations"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Conservation des betteraves et b\u00e2chage (Betteravier d\u00e9cembre 2016) - IRBAB-KBIVB<\/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:\/\/www.irbab-kbivb.be\/fr\/conservation-des-betteraves-et-bachage-betteravier-decembre-2016\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conservation des betteraves et b\u00e2chage (Betteravier d\u00e9cembre 2016) - 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