{"id":17543,"date":"2022-03-29T14:42:43","date_gmt":"2022-03-29T12:42:43","guid":{"rendered":"https:\/\/crisara.com\/?p=17543"},"modified":"2022-06-08T19:51:10","modified_gmt":"2022-06-08T17:51:10","slug":"heladas-de-primavera-en-almendro","status":"publish","type":"post","link":"https:\/\/crisara.com\/en\/heladas-de-primavera-en-almendro\/","title":{"rendered":"Heladas de primavera en almendro"},"content":{"rendered":"<div class=\"product\"><div class=\"product\">\n<p class=\"wp-block-paragraph\">Debido a sus bajos requerimientos en fr\u00edo, el almendro es el primero de los frutales en florecer en primavera. Esa circunstancia lo coloca en primer plano en cuanto a la susceptibilidad a los da\u00f1os por heladas primaverales. Estos posibles da\u00f1os que pueden afectar a yemas, flores y frutos, dependen de dos factores: la intensidad y la duraci\u00f3n de la helada.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando la temperatura desciende por debajo de los 0 <sup>o<\/sup>C se puede producir una congelaci\u00f3n que provoca la destrucci\u00f3n mec\u00e1nica de las c\u00e9lulas de los \u00f3rganos florales, y los cristales de hielo ejercer\u00e1n una demanda de agua que provocar\u00e1 la deshidrataci\u00f3n. Este proceso produce da\u00f1os mayores o menores seg\u00fan sea la brusquedad con la que la temperatura desciende. Un descenso progresivo de la temperatura produce da\u00f1os menores que si el descenso se produce bruscamente.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Estas heladas tard\u00edas, en parte, son la raz\u00f3n de que la mejora gen\u00e9tica del almendro se haya centrado en la obtenci\u00f3n de variedades de floraci\u00f3n tard\u00eda.&nbsp;Sin embargo, no existe demasiada informaci\u00f3n sobre los umbrales de temperatura que producen da\u00f1os irreversibles en las flores y frutos reci\u00e9n cuajados. <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas2-1024x576.jpg\" alt=\"\" class=\"wp-image-17545\" srcset=\"https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas2-1024x576.jpg 1024w, https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas2-300x169.jpg 300w, https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas2-768x432.jpg 768w, https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas2-600x338.jpg 600w, https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas2.jpg 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Este estudio muestra c\u00f3mo afecta el estado fenol\u00f3gico a la temperatura soportada por la planta. Hay que tener en cuenta que existen diversos factores que condicionan la resistencia a heladas, como son el estado h\u00eddrico del suelo, las condiciones ambientales y sobre todo un correcto estado nutricional de la planta.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00bfC\u00f3mo afecta la fertilizaci\u00f3n en la resistencia frente a heladas?<\/strong>&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Desde el punto de vista agron\u00f3mico, la fertilizaci\u00f3n pot\u00e1sica, puede minimizar los efectos negativos de las bajas temperaturas. Desempe\u00f1ando un papel importante en procesos como la osmoregulaci\u00f3n. La osmoregulaci\u00f3n aumenta la turgencia de los tejidos y facilita el funcionamiento del aparato fotosint\u00e9tico en periodos de estr\u00e9s por fr\u00edo. De igual modo, al descender el potencial osm\u00f3tico se disminuye el punto de congelamiento, reduciendo el riesgo de congelamiento del interior de las c\u00e9lulas, formaci\u00f3n de cristales de hielo y rotura de membranas.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De igual modo, la aplicaci\u00f3n de amino\u00e1cidos son la base para la formaci\u00f3n de nuevos tejidos y conseguir las reparaciones necesarias en la planta para continuar su desarrollo y crecimiento. Con la aplicaci\u00f3n de amino\u00e1cidos despu\u00e9s de un periodo de estr\u00e9s por fr\u00edo conseguiremos que la planta vuelva m\u00e1s r\u00e1pidamente a su condici\u00f3n \u00f3ptima.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Si bien es cierto que esta fertilizaci\u00f3n debe ser continuada en el ciclo del cultivo para tener un efecto positivo al llegar estos periodos de estr\u00e9s.&nbsp;<\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Debido a sus bajos requerimientos en fr\u00edo, el almendro es el primero de los frutales en florecer en primavera. Esa circunstancia lo coloca en primer plano en cuanto a la susceptibilidad a los da\u00f1os por heladas primaverales. Estos posibles da\u00f1os que pueden afectar a yemas, flores y frutos, dependen de dos factores: la intensidad y [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":17549,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,82,57,80],"tags":[],"class_list":["post-17543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-crisara-2","category-articulos-tecnicos","category-blog","category-rincon-tecnico-almendro"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Heladas de primavera en almendro - Crisara<\/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:\/\/crisara.com\/heladas-de-primavera-en-almendro\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Heladas de primavera en almendro - Crisara\" \/>\n<meta property=\"og:description\" content=\"Debido a sus bajos requerimientos en fr\u00edo, el almendro es el primero de los frutales en florecer en primavera. Esa circunstancia lo coloca en primer plano en cuanto a la susceptibilidad a los da\u00f1os por heladas primaverales. Estos posibles da\u00f1os que pueden afectar a yemas, flores y frutos, dependen de dos factores: la intensidad y [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/crisara.com\/heladas-de-primavera-en-almendro\/\" \/>\n<meta property=\"og:site_name\" content=\"Crisara\" \/>\n<meta property=\"article:published_time\" content=\"2022-03-29T12:42:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-08T17:51:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/crisara.com\/wp-content\/uploads\/Articulo-Heladas-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Crisara\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Crisara\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/\"},\"author\":{\"name\":\"Crisara\",\"@id\":\"https:\\\/\\\/crisara.com\\\/#\\\/schema\\\/person\\\/0a081b0ee09bc808fd3489291f48b7f0\"},\"headline\":\"Heladas de primavera en almendro\",\"datePublished\":\"2022-03-29T12:42:43+00:00\",\"dateModified\":\"2022-06-08T17:51:10+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/\"},\"wordCount\":467,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/crisara.com\\\/wp-content\\\/uploads\\\/Articulo-Heladas-1.jpg\",\"articleSection\":[\"Actualidad Crisara\",\"Art\u00edculos t\u00e9cnicos\",\"Blog\",\"Espacio t\u00e9cnico Almendro\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/\",\"url\":\"https:\\\/\\\/crisara.com\\\/heladas-de-primavera-en-almendro\\\/\",\"name\":\"Heladas de primavera en almendro - 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