{"id":9240,"date":"2022-11-08T16:30:46","date_gmt":"2022-11-08T15:30:46","guid":{"rendered":"https:\/\/www.vaniperen.com\/fr\/?p=9240"},"modified":"2023-04-26T08:51:58","modified_gmt":"2023-04-26T06:51:58","slug":"carences-courantes-en-nutriments-chez-les-plantes-ii-magnesium-et-calcium","status":"publish","type":"post","link":"https:\/\/www.vaniperen.com\/fr\/carences-courantes-en-nutriments-chez-les-plantes-ii-magnesium-et-calcium\/","title":{"rendered":"Carences Courantes en Nutriments chez les Plantes (II) : une Carence en Magn\u00e9sium et en Calcium"},"content":{"rendered":"<p>Consid\u00e9r\u00e9s comme des \u00e9l\u00e9ments secondaires, le Magn\u00e9sium et le Calcium sont tout aussi importants pour la nutrition des plantes que les autres. L&rsquo;identification <strong>des effets des carences en \u00e9l\u00e9ments nutritifs caus\u00e9es par une d\u00e9ficience en Calcium et en Magn\u00e9sium<\/strong> aidera les producteurs \u00e0 contrer les dommages aux cultures.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-9241\" src=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/VII-FR-Nutrient-deficiency-in-plants-Calcium-Magnesium-1200px-1024x445.png\" alt=\"\" width=\"800\" height=\"348\" srcset=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/VII-FR-Nutrient-deficiency-in-plants-Calcium-Magnesium-1200px-1024x445.png?image-crop-positioner-ts=1671032185 1024w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/VII-FR-Nutrient-deficiency-in-plants-Calcium-Magnesium-1200px-768x334.png?image-crop-positioner-ts=1671032185 768w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/VII-FR-Nutrient-deficiency-in-plants-Calcium-Magnesium-1200px-320x139.png?image-crop-positioner-ts=1671032185 320w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/VII-FR-Nutrient-deficiency-in-plants-Calcium-Magnesium-1200px-100x44.png?image-crop-positioner-ts=1671032185 100w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/VII-FR-Nutrient-deficiency-in-plants-Calcium-Magnesium-1200px.png?image-crop-positioner-ts=1671032185 1200w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n<p>En tant que nutriments pour les plantes, le Magn\u00e9sium et le Calcium alimentent leur principales fonctions telles que <strong>la croissance ou la formation de chlorophylle<\/strong>. Pour cette raison, une carence en Magn\u00e9sium ou une d\u00e9ficience en Calcium peuvent <strong>inhiber la croissance des plantes et r\u00e9duire le rendement<\/strong>. Compte tenu de l&rsquo;importance des deux nutriments, les agriculteurs doivent rester vigilants lorsqu&rsquo;ils voient des signes inqui\u00e9tants sur leurs cultures.<\/p>\n<figure id=\"attachment_9242\" aria-describedby=\"caption-attachment-9242\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9242\" src=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Magnesium-deficiency-of-an-oil-seed-rape-leaf-e1671032235948-1024x766.jpg\" alt=\"\" width=\"800\" height=\"598\" srcset=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Magnesium-deficiency-of-an-oil-seed-rape-leaf-e1671032235948-1024x766.jpg?image-crop-positioner-ts=1671032238 1024w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Magnesium-deficiency-of-an-oil-seed-rape-leaf-e1671032235948-768x574.jpg?image-crop-positioner-ts=1671032238 768w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Magnesium-deficiency-of-an-oil-seed-rape-leaf-e1671032235948-320x239.jpg?image-crop-positioner-ts=1671032238 320w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Magnesium-deficiency-of-an-oil-seed-rape-leaf-e1671032235948-100x75.jpg?image-crop-positioner-ts=1671032238 100w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Magnesium-deficiency-of-an-oil-seed-rape-leaf-e1671032235948.jpg?image-crop-positioner-ts=1671032238 1278w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-9242\" class=\"wp-caption-text\">Sympt\u00f4mes graves de carence en magn\u00e9sium sur le bord d&rsquo;une feuille de Colza<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p><strong><u>Sympt\u00f4mes de carence en Magn\u00e9sium<\/u><\/strong><\/p>\n<p>Le Magn\u00e9sium, en tant que composant de la mol\u00e9cule de chlorophylle, est activement <strong>impliqu\u00e9 dans la photosynth\u00e8se<\/strong>. Le Mg joue un r\u00f4le vital pour activer plusieurs r\u00e9actions enzymatiques. En outre, il am\u00e9liore le mouvement des sucres, stimule la croissance pr\u00e9coce et maintient le d\u00e9veloppement. Enfin, il diminue la n\u00e9crose du p\u00e9doncule ou de la rafle.<strong> La carence en Magn\u00e9sium a tendance \u00e0 se produire dans les sols recevant de grandes quantit\u00e9s d&rsquo;engrais potassique ou de calcium<\/strong>. Les producteurs peuvent identifier une d\u00e9ficience en Magn\u00e9sium si ce sympt\u00f4me appara\u00eet:<\/p>\n<ul>\n<li>N\u00e9crose des feuilles<\/li>\n<\/ul>\n<p>Le Mg \u00e9tant un \u00e9l\u00e9ment mobile dans la plante, ces signes apparaissent surtout sur de vielles feuilles. Bien qu&rsquo;une carence en Magn\u00e9sium n&rsquo;affecte pas directement le fruit, elle peut certainement <strong>avoir un impact sur le rendement \u00e0 cause du stress de la plante<\/strong>.<\/p>\n<figure id=\"attachment_9243\" aria-describedby=\"caption-attachment-9243\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9243\" src=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency-1024x783.jpg\" alt=\"\" width=\"800\" height=\"612\" srcset=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency-1024x783.jpg?image-crop-positioner-ts=1671032288 1024w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency-768x587.jpg?image-crop-positioner-ts=1671032288 768w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency-320x245.jpg?image-crop-positioner-ts=1671032288 320w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency-100x76.jpg?image-crop-positioner-ts=1671032288 100w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency-1280x981.jpg?image-crop-positioner-ts=1671032288 1280w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Blossom-end-rot-on-tomatoes-calcium-deficiency.jpg?image-crop-positioner-ts=1671032288 1283w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-9243\" class=\"wp-caption-text\">La pourriture apicale des tomates, un sympt\u00f4me de carence en calcium<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p><strong><u>Sympt\u00f4mes de carence en Calcium<\/u><\/strong><\/p>\n<p><strong><a href=\"https:\/\/www.vaniperen.com\/fr\/quel-est-le-role-du-calcium-dans-la-croissance-des-plantes\/\" target=\"_blank\" rel=\"noopener\">Le Calcium est un \u00e9l\u00e9ment essentiel<\/a><\/strong> qui joue un r\u00f4le important dans la croissance des plantes. Ce nutriment stimule la croissance des feuilles et l\u2019induction florale, am\u00e9liore la qualit\u00e9 des fruits et la maturit\u00e9 du bois, ce qui assure la r\u00e9sistance en hiver. Les plantes souffrant d&rsquo;une carence en Calcium pr\u00e9sentent l&rsquo;un des signes suivants:<\/p>\n<ul>\n<li>N\u00e9crose \u00e0 la base des feuilles<\/li>\n<li>Mauvaise qualit\u00e9 des fruits (bitter pit, pourriture apicale)<\/li>\n<\/ul>\n<p>Contrairement au Magn\u00e9sium, la carence en Calcium commence sur les jeunes feuilles. Les signes visuels courants sont <strong>les nervures sombres, les feuilles plus petites et d\u00e9form\u00e9es avec des taches chlorotiques<\/strong>.<\/p>\n<figure id=\"attachment_9244\" aria-describedby=\"caption-attachment-9244\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-9244\" src=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-1024x918.jpg\" alt=\"\" width=\"800\" height=\"718\" srcset=\"https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-1024x918.jpg?image-crop-positioner-ts=1671032353 1024w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-1440x1291.jpg?image-crop-positioner-ts=1671032353 1440w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-768x689.jpg?image-crop-positioner-ts=1671032353 768w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-1536x1377.jpg?image-crop-positioner-ts=1671032353 1536w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-2048x1837.jpg?image-crop-positioner-ts=1671032353 2048w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-1920x1722.jpg?image-crop-positioner-ts=1671032353 1920w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-320x287.jpg?image-crop-positioner-ts=1671032353 320w, https:\/\/www.vaniperen.com\/fr\/wp-content\/uploads\/sites\/2\/2022\/12\/Bitter-pit.-Calcium-deficiency-on-apple-100x90.jpg?image-crop-positioner-ts=1671032353 100w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-9244\" class=\"wp-caption-text\">Sympt\u00f4mes de la carence en calcium de la fosse am\u00e8re dans les pommes partiellement pel\u00e9es<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<p>Outre nos <a href=\"https:\/\/www.vaniperen.com\/fr\/telechargez-notre-brochure-gratuite-sur-les-engrais-npk-solubles\/\" target=\"_blank\" rel=\"noopener\"><strong>solutions solubles NPK<\/strong><\/a> et <strong><a href=\"https:\/\/www.vaniperen.com\/fr\/produits\/\" target=\"_blank\" rel=\"noopener\">Mati\u00e8res Premi\u00e8res<\/a><\/strong>, nous recommandons <a href=\"https:\/\/www.vaniperen.com\/fr\/produits\/foliastim-calcium-sc-2\/\" target=\"_blank\" rel=\"noopener\"><strong><u>FoliaStim\u00ae Calcium SC<\/u><\/strong><\/a>, une solution foliaire vraiment innovante pour ma\u00eetriser la carence en Calcium. Notre biostimulant est le premier du genre \u00e0 combiner des algues hautement concentr\u00e9es et bioactives (15%) avec du Calcium \u00e0 un niveau aussi \u00e9lev\u00e9. <strong>Le moment id\u00e9al pour l\u2019appliquer?<\/strong> Au d\u00e9but de la phase de grossissement des fruits.<\/p>\n<p>Toutes les informations de cet article compl\u00e8tent la premi\u00e8re partie de notre s\u00e9rie sur<a href=\"https:\/\/www.vaniperen.com\/fr\/common-nutrients-deficiencies-in-plants-azote-potassium-phosphore\/\" target=\"_blank\" rel=\"noopener\"><strong> les carences en nutriments d\u00e9di\u00e9e \u00e0 l&rsquo;Azote, au Phosphore et au Potassium<\/strong><\/a>. Vous pouvez le lire maintenant!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Consid\u00e9r\u00e9s comme des \u00e9l\u00e9ments secondaires, le Magn\u00e9sium et le Calcium sont tout aussi importants pour la nutrition des plantes que&#8230;<\/p>\n","protected":false},"author":16,"featured_media":9245,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_trash_the_other_posts":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"editor_notices":[],"footnotes":""},"class_list":["post-9240","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Carences Courantes en Nutriments chez les Plantes (II) : une Carence en Magn\u00e9sium et en Calcium - 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