{"id":12061,"date":"2018-08-27T12:44:23","date_gmt":"2018-08-27T10:44:23","guid":{"rendered":"https:\/\/www.plantenplagen.nl\/plantenplagen\/cauliflower\/"},"modified":"2023-05-29T18:03:03","modified_gmt":"2023-05-29T16:03:03","slug":"cauliflower","status":"publish","type":"encyclopedia","link":"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/cauliflower\/","title":{"rendered":"Cauliflower"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><p>[vc_row][vc_column width=&rdquo;2\/3&Prime;][vc_column_text el_id=&rdquo;topentry&rdquo; el_class=&rdquo;topentry&rdquo;]Cauliflower belongs to the species <em>Brassica oleracea<\/em>, as do <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/broccoli\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Broccoli belongs to the species Brassica oleracea, as do cauliflower, kale&nbsp;and red cabbage. Caterpillars of&nbsp;Large white,&nbsp;Cabbage moth&nbsp;and&nbsp;Cyclamen tortrix, among others, prey on broccoli. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1637503578264{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\"&hellip;' class=\"encyclopedia\">broccoli<\/a>, <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/kale\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Kale belongs belongs to the species Brassica oleracea, as do broccoli, cauliflower and red cabbage. Kale is a leafy crop that can be grown on all types of soil. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1637503365530{padding-top: 0px !important;padding-right:&hellip;' class=\"encyclopedia\">kale<\/a> and <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/red-cabbage\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Red cabbage belongs to the crucifers (Brassicaceae) and is sown as early as late February, early March in a cold frame; harvest in early fall.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1649260449118{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px&hellip;' class=\"encyclopedia\">red cabbage<\/a>. Caterpillars of <em><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/large-white\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Large white, butterfly with a wingspan of about 65 mm. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1539164638232{padding-left: 20px !important;}\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2217\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][vc_single_image image=\"2219\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Large white (Pieris brassicae) Butterfly with a wingspan of &plusmn; 65 mm, belonging to large family&hellip;' class=\"encyclopedia\">Large white<\/a><\/em>, <em><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/cabbage-moth\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Cabbage moth flies only at night and lays its eggs on the underside of leaves. Cabbage moths do a lot of damage on many plant species, including crucifers.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1539252170357{padding-left: 20px !important;}\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2267\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Cabbage moth (Mamestra brassicae).&hellip;' class=\"encyclopedia\">Cabbage moth<\/a><\/em> and <em><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/cyclamen-tortrix\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Cyclamen tortrix is a moth and belongs to the leaf rollers. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1556813018818{padding-left: 20px !important;}\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"3775\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Cyclamen tortrix (Clepsis spectrana) is a moth and belongs to the leaf rollers (Tortricidae). Characteristic for leafroller moths is that&hellip;' class=\"encyclopedia\">Cyclamen tortrix<\/a><\/em>, among others, prey on cauliflower.<br>\n<!--more-->[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime;][\/vc_column][\/vc_row][vc_row content_placement=&rdquo;middle&rdquo; css=&rdquo;.vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}&rdquo; el_id=&rdquo;mobile&rdquo;][vc_column offset=&rdquo;vc_hidden-lg vc_hidden-md vc_hidden-sm&rdquo;][vc_column_text css=&rdquo;.vc_custom_1637503226979{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}&rdquo; el_id=&rdquo;mobiel&rdquo;]<\/p>\n<p style=\"text-align: center;\"><span style=\"color: #000099;\">You are viewing the mobile-adapted version of the page.<\/span><br>\n<span style=\"color: #000099;\">The one for tablets, laptop and desktop also provides general information, such as origin and cultivation.<\/span><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=&rdquo;35&Prime; css=&rdquo;.vc_custom_1532162142715{background-color: #e6e6e6 !important;}&rdquo;][vc_column width=&rdquo;1\/2&Prime; offset=&rdquo;vc_hidden-xs&rdquo;][vc_single_image image=&rdquo;1179&Prime; img_size=&rdquo;medium&rdquo; add_caption=&rdquo;yes&rdquo; style=&rdquo;vc_box_rounded&rdquo; onclick=&rdquo;img_link_large&rdquo;][\/vc_column][vc_column width=&rdquo;1\/2&Prime; css=&rdquo;.vc_custom_1637503193960{background-color: #e6e6e6 !important;}&rdquo; offset=&rdquo;vc_hidden-xs&rdquo;][vc_column_text el_id=&rdquo;topentry&rdquo; el_class=&rdquo;topentry&rdquo;]<strong>Cauliflower<\/strong> belongs to the species <em>(Brassica oleracea).<\/em> Sow and propagate in a cold frame. In late May early June, the young plants can be planted in the open ground. Plants pre-sown in February can be harvested in late May, early June. Cauliflower sown in May and June in the open ground, is harvested in the fall.<br>\nCauliflower, broccoli, kale and red cabbage are part of the plant genus <em>Brassica<\/em> and so there are similarities between them. They all love a good amount of manure and they are often attacked by <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/snails-and-slugs\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Slugs are especially active at night; they like a moist environment. They live on fungi and dead material, as well as fruits and vegetables. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1539424280540{padding-left: 20px !important;}\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2329\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1629021009877{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Slugs and snails are especially active at&hellip;' class=\"encyclopedia\">snails and slugs<\/a>, caterpillars (Large white) and the <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/cabbage-root-fly\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Cabbage root fly, a &plusmn; 6 mm long grey insect and it looks very similar to the common housefly. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1679996403113{padding-left: 20px !important;}\"]Also known as: Cabbage fly Root fly Turnip fly[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2279\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Cabbage root fly (Delia&hellip;' class=\"encyclopedia\">cabbage root fly<\/a>.[\/vc_column_text][\/vc_column][\/vc_row][vc_row equal_height=&rdquo;yes&rdquo;][vc_column width=&rdquo;1\/3&Prime;][vc_custom_heading text=&rdquo;Bugs&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1532164328547{background-color: #585858 !important;}&rdquo;][vc_column_text el_class=&rdquo;entrytxt&rdquo;]<\/p>\n<figure id=\"attachment_1577\" aria-describedby=\"caption-attachment-1577\" style=\"width: 318px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Koolvlieg_bloemkool.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1577\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Koolvlieg_bloemkool-318x500.jpg\" alt=\"\" width=\"318\" height=\"500\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Koolvlieg_bloemkool-318x500.jpg 318w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Koolvlieg_bloemkool.jpg 642w\" sizes=\"auto, (max-width: 318px) 100vw, 318px\"><\/a><figcaption id=\"caption-attachment-1577\" class=\"wp-caption-text\">Maggots of the cabbage root fly: photo Rasbak &ndash; CC BY-SA 3.0<\/figcaption><\/figure>\n<p>Poor growth; maggots in the root: Cabbage root fly <em>(Delia radicum)<\/em>.<\/p>\n<figure id=\"attachment_1207\" aria-describedby=\"caption-attachment-1207\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/rups-koolwitje-op-kool1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1207\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/rups-koolwitje-op-kool1-500x366.jpg\" alt=\"\" width=\"500\" height=\"366\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/rups-koolwitje-op-kool1-500x366.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/rups-koolwitje-op-kool1.jpg 720w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-1207\" class=\"wp-caption-text\">Damage by caterpillars, photo: Ines de Kok<\/figcaption><\/figure>\n<p>Leaf eating: caterpillars of Large white, <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/diamondback-moth\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]The Diamondback Moth is a brownish-white moth with a wingspan of + 14 mm. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1543333801427{padding-left: 20px !important;}\"]Also known as: Cabbage moth[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"3077\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Koolmot (Plutella xylostella) is een bruinwit vlindertje met een spanwijdte van 15 mm.&hellip;' class=\"encyclopedia\">Diamondback moth<\/a>, Cabbage moth, Cyclamen tortrix.<\/p>\n<figure id=\"attachment_6031\" aria-describedby=\"caption-attachment-6031\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Luizen_melige_koolluis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-6031\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Luizen_melige_koolluis-500x465.jpg\" alt=\"recognizing aphids on cabbage\" width=\"500\" height=\"465\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Luizen_melige_koolluis-500x465.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Luizen_melige_koolluis.jpg 721w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-6031\" class=\"wp-caption-text\">Gray-blue <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/aphids\/\" target=\"_blank\" title=\"[vc_row][vc_column][vc_column_text]Aphids are small, plant-eating insects; see: overview aphids, aphid, black bean aphid, black cherry aphid, catalpa aphid, cabbage aphid, currant blister aphid, green peach aphid, green apple aphid, holly aphid, Hydrangea scale, Scale insect, mealybug, lettuce-root aphid, woolly beech aphid, cypress aphid.[\/vc_column_text][\/vc_column][\/vc_row]\" class=\"encyclopedia\">aphids<\/a> of the <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/cabbage-aphid\/\" target=\"_blank\" title='[vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"1913\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Cabbage aphid (Brevicoryne brassicae). A pale green or pale blue aphid found on crucifers and cabbage species. The damage caused by aphids consists of weakening the plant: juices necessary for growth are sucked out by the aphids. This causes deformations&hellip;' class=\"encyclopedia\">cabbage aphid<\/a>, photo: Rasbak &ndash; CC BY-SA 3.0<\/figcaption><\/figure>\n<p>Initially white or purple spots on misshapen leaves (curled, bumpy), then the cauliflower is colonized by aphids: Cabbage <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/aphid_aphidoidea\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Aphids are small, herbivorous insects. There are green, white, black, yellow, red and purple aphids. A special category are the Scale insects. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"5987\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Aphids (Aphidoidea). Small, herbivorous insects up to a maximum of 5 mm. Mainly damage&hellip;' class=\"encyclopedia\">aphid<\/a> <em>(Brevicoryne brassicae)<\/em>.<\/p>\n<figure id=\"attachment_2257\" aria-describedby=\"caption-attachment-2257\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Draaihartigheid_bij_bloemkool.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2257\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Draaihartigheid_bij_bloemkool-500x421.jpg\" alt=\"\" width=\"500\" height=\"421\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Draaihartigheid_bij_bloemkool-500x421.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Draaihartigheid_bij_bloemkool-768x647.jpg 768w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Draaihartigheid_bij_bloemkool.jpg 912w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-2257\" class=\"wp-caption-text\">Twisting and distortion of the leaf stems caused by the <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/swede-midge\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]The Swede midge is a nearly 2 mm long gall midge that lives for only a few days and lays eggs on the stems of leaves of brassica plants. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2257\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Swede midge (Contarinia nasturtii) This nearly 2&hellip;' class=\"encyclopedia\">Swede midge<\/a>, photo: Rasbak &ndash; CC BY-SA 3.0<\/figcaption><\/figure>\n<p>Twisting and distortion of the leaf stems and foliage leading to death of the growing point especially in seedlings: <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/swede\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Swedes belongs to the crucifers; the root is the edible part.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_class=\"entrytxt\"]Also known as: Swedish turnip Neep Turnip Rutabaga (US)[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1649258216743{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\" el_id=\"mobiel\"] You are viewing&hellip;' class=\"encyclopedia\">Swede<\/a> midge <em>(Contarinia nasturtii)<\/em>.<\/p>\n<p>Curled leaves and damage to leaves, flower bud and stem: larvae of the Cyclamen tortrix <em>(Clepsis spectrana)<\/em>.<\/p>\n<figure id=\"attachment_1909\" aria-describedby=\"caption-attachment-1909\" style=\"width: 410px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Groene-perzikluis.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1909\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Groene-perzikluis-410x500.jpg\" alt=\"\" width=\"410\" height=\"500\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Groene-perzikluis-410x500.jpg 410w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Groene-perzikluis.jpg 640w\" sizes=\"auto, (max-width: 410px) 100vw, 410px\"><\/a><figcaption id=\"caption-attachment-1909\" class=\"wp-caption-text\"><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/green-peach-aphid\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Green peach aphids are small, herbivorous insects. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"1909\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Green peach aphid (Myzus persicae) belongs to the aphids. Small, herbivorous insects measuring about 2 mm. Damage mainly the young leaves. The damage caused by aphids consists of weakening&hellip;' class=\"encyclopedia\">Green Peach Aphid<\/a>, Photo Scott Bauer &ndash; CC Public Domain<\/figcaption><\/figure>\n<p>Curled leaves; in some places there is an aphid of about 2 mm in size: Green <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/peach\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Peach, name of both the tree and the fruit. With its firm pit, the peach belongs to the stone fruits (apricot, plum, cherry). [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1649259484550{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left:&hellip;' class=\"encyclopedia\">peach<\/a> aphid <em>(Myzus persicae)<\/em>.<\/p>\n<p>Feeding on root or stem of young cabbage plant: the larvae of <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/beetles\/\" target=\"_blank\" title=\"[vc_row][vc_column][vc_column_text]Beetles (Coleoptera) belong to the winged insects, whose front pair of wings are hardened into wing-cases (elytra). Except at the poles and in the sea, beetles are found all over the world. There are over 4,200 beetle species in the UK. See: Apple blossom weevil, flea beetle, Common asparagus beetle, asparagus beetle, Beech leaf-miner beetle,&hellip;\" class=\"encyclopedia\">beetles<\/a> (family <em>Elateridae)<\/em>.<\/p>\n<figure id=\"attachment_3039\" aria-describedby=\"caption-attachment-3039\" style=\"width: 375px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Koolwantsen.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-3039\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Koolwantsen-375x500.jpg\" alt=\"\" width=\"375\" height=\"500\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Koolwantsen-375x500.jpg 375w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Koolwantsen-768x1024.jpg 768w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Koolwantsen.jpg 1024w\" sizes=\"auto, (max-width: 375px) 100vw, 375px\"><\/a><figcaption id=\"caption-attachment-3039\" class=\"wp-caption-text\">Rape bugs, photo: B. Schoenmakers &ndash; CC BY 3.0<\/figcaption><\/figure>\n<p>Feeding on young cabbage plants and young shoots by a black bug with three white dots: <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/rape-bug\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Rape bug is a + 6 millimeter bug found on crucifers (cabbages). [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1680004924644{padding-left: 20px !important;}\"]Also known as: Brassica bug Cabbage bug Crucifer shield bug[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"3035\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Rape bug (Eurydema oleracea). This + 6 millimeter mm bug&hellip;' class=\"encyclopedia\">rape bug<\/a> <em>(Eurydema oleracea)<\/em>.<\/p>\n<figure id=\"attachment_4451\" aria-describedby=\"caption-attachment-4451\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4451\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1-500x500.jpg\" alt=\"Green small balls on cauliflower\" width=\"500\" height=\"500\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1-500x500.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1-150x150.jpg 150w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1-768x767.jpg 768w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1-100x100.jpg 100w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool-poepjes_rups-1.jpg 960w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-4451\" class=\"wp-caption-text\">Green caterpillar droppings, photo: Elke Leemans<\/figcaption><\/figure>\n<p>Green &ldquo;globs&rdquo; on cauliflower: poop from caterpillars. Can&rsquo;t hurt, just rinse.[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime; css=&rdquo;.vc_custom_1532102790165{background-color: #ffffff !important;}&rdquo;][vc_custom_heading text=&rdquo;Fungi &amp; diseases&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1537885867689{background-color: #585858 !important;}&rdquo;][vc_column_text el_class=&rdquo;entrytxt&rdquo;]Poor growth, plant wilting, swollen roots rotting away: <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/clubroot\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Clubroot is a parasite of crucifers, whose spores can survive in the soil for 10 to 15 years. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1539183837845{padding-left: 20px !important;}\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2245\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Clubroot (Plasmodiophora brassicae) is a parasite of crucifers (Brassicaceae), whose spores can survive&hellip;' class=\"encyclopedia\">Clubroot<\/a> <em>(Plasmodiophora brassicae)<\/em>.<\/p>\n<figure id=\"attachment_2863\" aria-describedby=\"caption-attachment-2863\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Zwartnervigheid-koolblad.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2863\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Zwartnervigheid-koolblad-500x375.jpg\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Zwartnervigheid-koolblad-500x375.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Zwartnervigheid-koolblad.jpg 768w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-2863\" class=\"wp-caption-text\">Black rot on cabbage leaf, photo: David B. Langston &ndash; CC BY 3.0<\/figcaption><\/figure>\n<p>Large yellow, withered spots on leaves, veins turn black, followed by stem: Black rot <em>(Xanthomonas campestris)<\/em>.<\/p>\n<p>White fungal fluff on the underside of the leaves: <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/downy-mildew\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Downy mildew is a water mould, a fungus-like microorganism. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1679847316365{padding-left: 20px !important;}\"]Do not confuse with: Powdery mildew[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2553\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Downy mildew (Peronosporaceae species) is a water mould (Oomycetes), a fungal microorganism. With downy mildew, the lint&hellip;' class=\"encyclopedia\">Downy mildew<\/a> <em>(<i>Peronospora parasitica<\/i>)<\/em>. It usually involves the lower leaves because the fungus get onto the leaf by splashing rain. In <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/powdery-mildew\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Powdery mildew, one of the different species of Ascomycete fungi which affects a wide range of plants.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1671373292008{padding-left: 20px !important;}\"]Do not confuse with: Downy mildew[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2065\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Powdery mildew - one of the different species of the&hellip;' class=\"encyclopedia\">powdery mildew<\/a> (a species of <em>Ascomycete fungi<\/em>), the fluff is on the top of the leaves.<\/p>\n<figure id=\"attachment_2855\" aria-describedby=\"caption-attachment-2855\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Spikkelziekte-op-kool.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2855\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Spikkelziekte-op-kool-500x376.jpg\" alt=\"\" width=\"500\" height=\"376\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Spikkelziekte-op-kool-500x376.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Spikkelziekte-op-kool-768x577.jpg 768w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Spikkelziekte-op-kool-1024x769.jpg 1024w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Spikkelziekte-op-kool.jpg 1198w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-2855\" class=\"wp-caption-text\"><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/alternaria\/\" target=\"_blank\" title='[vc_row css=\".vc_custom_1537947939303{padding-left: 20px !important;}\"][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Fungal disease - Alternaria alternata which causes brown spots mainly on the lower leaves of plants.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"867\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Alternaria (Altenaria alternata) is a fungal disease whose spores overwinter in the soil on remaining foliage. Alternaria is&hellip;' class=\"encyclopedia\">Alternaria<\/a> leaf blight on cabbage, photo: Agronom &ndash; CC BY-SA 3.0<\/figcaption><\/figure>\n<p>Black spots on cabbage: Alternaria leaf blight <em>(Alternaria brassicae)<\/em>.[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime; css=&rdquo;.vc_custom_1532102799994{background-color: #ffffff !important;}&rdquo;][vc_custom_heading text=&rdquo;Other&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1532164377225{background-color: #585858 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo;]<\/p>\n<figure id=\"attachment_1209\" aria-describedby=\"caption-attachment-1209\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Bloemkool_duivenschade.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1209\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Bloemkool_duivenschade-500x483.jpg\" alt=\"\" width=\"500\" height=\"483\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool_duivenschade-500x483.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Bloemkool_duivenschade.jpg 606w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-1209\" class=\"wp-caption-text\">Eaten cauliflower, photo: Vaesen Gunter<\/figcaption><\/figure>\n<figure id=\"attachment_4213\" aria-describedby=\"caption-attachment-4213\" style=\"width: 453px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Duivenschade-kolen.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-4213\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Duivenschade-kolen.jpg\" alt=\"Recognize bird damage to cauliflower\" width=\"453\" height=\"380\"><\/a><figcaption id=\"caption-attachment-4213\" class=\"wp-caption-text\">Eaten cauliflower, photo: Eric Van Puyvelde<\/figcaption><\/figure>\n<p>Pigeons eat the head or leaf from cauliflower.<\/p>\n<p>Leaf margins turn brown: <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/calcium-deficiency\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Calcium deficiency is not common; a deficiency causes low pH, i.e., acidic soil. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1685874324789{padding-left: 20px !important;}\"]Also known as: Blossom end rot Bitter pit (apple) Internal browning (apple) Do not confuse with: Potassium deficiency[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2429\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Calcium&hellip;' class=\"encyclopedia\">calcium deficiency<\/a>.<\/p>\n<figure id=\"attachment_2455\" aria-describedby=\"caption-attachment-2455\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Stikstoftekort-bloemkool.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-2455\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/Stikstoftekort-bloemkool-500x375.jpg\" alt=\"\" width=\"500\" height=\"375\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Stikstoftekort-bloemkool-500x375.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Stikstoftekort-bloemkool-768x576.jpg 768w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Stikstoftekort-bloemkool-1024x768.jpg 1024w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/Stikstoftekort-bloemkool.jpg 1200w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-2455\" class=\"wp-caption-text\">Purple discoloration due to <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/nitrogen-deficiency\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Nitrogen deficiency occurs when plants cannot absorb enough nitrogen from the soil. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1539704793975{padding-left: 20px !important;}\"][\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"2455\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Nitrogen deficiency occurs when plants cannot absorb enough nitrogen from the soil. The causes may be too low a&hellip;' class=\"encyclopedia\">nitrogen deficiency<\/a> on cauliflower, photo: Rasbak &ndash; CC BY-SA 3.0<\/figcaption><\/figure>\n<p>Lower (oldest) leaves turn purple: nitrogen deficiency.<\/p>\n<figure id=\"attachment_4061\" aria-describedby=\"caption-attachment-4061\" style=\"width: 500px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/verkleuring-bloemkool.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4061\" src=\"https:\/\/plantenplagen.nl\/wp-content\/uploads\/verkleuring-bloemkool-500x457.jpg\" alt=\"Discoloration of cauliflower due to inadequate covering.\" width=\"500\" height=\"457\" srcset=\"https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/verkleuring-bloemkool-500x457.jpg 500w, https:\/\/www.plantenplagen.nl\/wp-content\/uploads\/verkleuring-bloemkool.jpg 533w\" sizes=\"auto, (max-width: 500px) 100vw, 500px\"><\/a><figcaption id=\"caption-attachment-4061\" class=\"wp-caption-text\">Discoloration of cabbage, photo: Eric van Puyvelde<\/figcaption><\/figure>\n<p>The cauliflower discolors under the influence of light: covering has been insufficient causing discoloration. That&rsquo;s not bad at all; the taste does not change.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"author":14,"template":"","categories":[],"tags":[],"encyclopedia-category":[653],"encyclopedia-tag":[873],"class_list":["post-12061","encyclopedia","type-encyclopedia","status-publish","hentry","encyclopedia-category-vegetable-garden","encyclopedia-tag-brassica-oleracea"],"_links":{"self":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia\/12061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia"}],"about":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/types\/encyclopedia"}],"author":[{"embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/users\/14"}],"wp:attachment":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/media?parent=12061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/categories?post=12061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/tags?post=12061"},{"taxonomy":"encyclopedia-category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-category?post=12061"},{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=12061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}