{"id":3201,"date":"2022-11-15T09:39:18","date_gmt":"2022-11-15T09:39:18","guid":{"rendered":"https:\/\/bonsai4me.com\/?p=3201"},"modified":"2022-11-15T09:39:35","modified_gmt":"2022-11-15T09:39:35","slug":"autumn-fall-colours-in-bonsai","status":"publish","type":"post","link":"https:\/\/bonsai4me.com\/autumn-fall-colours-in-bonsai\/","title":{"rendered":"Autumn\/Fall Colours in Bonsai"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3201\" class=\"elementor elementor-3201\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7863466 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7863466\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-456334d\" data-id=\"456334d\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-76ae6d9 elementor-widget elementor-widget-text-editor\" data-id=\"76ae6d9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.21.0 - 30-04-2024 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p align=\"center\"><img fetchpriority=\"high\" decoding=\"async\" src=\"http:\/\/bonsai4me.com\/Gallery\/GalleryHarry\/Beech%20bonsai%20nov13.jpg\" alt=\"beech bonsai\" width=\"500\" height=\"407\"><\/p>\n<p align=\"center\"><em>Autumn colours on a Fagus sylvatica\/European Beech Bonsai by Harry Harrington<\/em><\/p>\n<p style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">All of us are familiar with the rich and vibrant colours of the leaves on our bonsai in Autumn, but what is the reason for the change in colour before they fall?<\/p>\n<p align=\"center\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><img decoding=\"async\" src=\"http:\/\/bonsai4me.com\/Gallery\/GalleryHarry\/parth%20130906%20003%20400.jpg\" alt=\"Autumn\/Fall Colours Bonsai\" width=\"400\" height=\"432\"><\/p>\n<p align=\"center\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><em>Autumn colours on a Parthenocissus quinquefolia \/ Virginia Creeper bonsai by Harry Harrington<\/em><\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><strong>Senescense<\/strong><\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">The process in a tree that produces Autumn colour and causes leaves to fall is known as Senescense. Senescense is normally initiated when the nutrients produced by the leaves, slows down in the reduced light and temperature levels of Autumn. Shorter days, longer nights and changing light quality all help throw internal switches within the tree itself.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">Senescense physically begins by the production of a seal across the base of the leaf. On the leaf side of the seal, the leaf cells weaken and start to become thinner. On the opposite side of the seal, the food transport cells (phloem) become more tenuous.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">The cambium cells continue to supply water to the leaves to replace any moisture lost through evaporation as normal. All the time the leaf base cells weaken until it is only the water connections that hold the leaf onto the tree. One by one the leaves lose their hold and fall to the ground. The wound left on the tree is the outward face of the constructed wall established to keep the cold of Winter outside.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><strong>Changing Colours<\/strong><\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">The green colour of leaves comes from chlorophyll. Chlorophyll production in a tree slows with the onset of senescense in Autumn, at the same time, longer nights and cooler temperatures help to break the chlorophyll in a leaf apart.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">As the base of the leaf begins to seal, leaf starches (or stored food) is broken apart and is shipped out of the leaf into the tree itself. What chlorophyll remains continues to power the remaining live cells within the leaf itself.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">As the green of chlorophyll breaks up and disappears from sight, other pigments remain in the leaf; red, orange and yellow Carotenoids and yellow and tan Xanthophylls.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">These pigments were originally made to shield and protect the chlorophyll&#8217;s, now the chlorophyll&#8217;s have gone, the remaining colours can be seen.<\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">Behind all of these brightly coloured pigments lies the deep brown of the tannins and the light browns of the tree tissues. As the leaf colour eventually fades, it is these browns of the leaf skeleton that are left.<\/p>\n<p align=\"center\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><img decoding=\"async\" src=\"http:\/\/bonsai4me.com\/Gallery\/GalleryHarry\/elm%20bonsai%20oct11%20(2).jpg\" alt=\"elm bonsai\" width=\"550\" height=\"463\"><\/p>\n<p align=\"center\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><em>Autumn colours on an English or Field Elm bonsai \/Ulmus minor by Harry Harrington<\/em><\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><strong>mproving Autumn Colour in Bonsai<\/strong><\/p>\n<p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">When the chlorophyll component of a leaf breaks down quickly and early in Autumn, the remaining coloured pigments are brighter and last longer; Autumn colour is improved. There is no real precise way of promoting this but there are factors that can improve colour;&nbsp;<\/p><p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\">&nbsp;<span style=\"font-size: 16px; font-style: normal; font-weight: 400; color: var( --e-global-color-text );\">&gt;Cold early Autumn nights speed up the start of Senescense and increase the strength and length of time that the coloured pigments can be seen.<\/span><\/p><p align=\"left\" style=\"font-family: &quot;myriad pro&quot;; font-size: 16px; font-style: normal; font-weight: 400;\"><span style=\"font-size: 16px; font-style: normal; font-weight: 400; color: var( --e-global-color-text );\">&nbsp;&gt;Leaves containing lower levels of chlorophyll as a result of midsummer leaf-cutting\/ defoliation, or trees that have been fed low doses of nitrogen through the year will take less time for the chlorophyll to exit the leaf and so will display better Autumn colours.<\/span><\/p>\n<div><br><\/div>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Autumn\/Fall Colours in bonsai.<\/p>\n","protected":false},"author":2,"featured_media":3547,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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