{"id":1287,"date":"2025-11-07T10:41:02","date_gmt":"2025-11-07T09:41:02","guid":{"rendered":"https:\/\/ttw.nl\/?p=1287"},"modified":"2025-12-10T11:06:20","modified_gmt":"2025-12-10T10:06:20","slug":"understanding-new-chicory-varieties-faster-thanks-to-hands-on-research","status":"publish","type":"post","link":"https:\/\/ttw.nl\/en\/actueel\/nieuwe-witlofrassen-sneller-begrijpen-dankzij-praktijkgericht-onderzoek\/","title":{"rendered":"Understanding new chicory varieties faster thanks to hands-on research"},"content":{"rendered":"<p data-start=\"361\" data-end=\"446\"><em><strong data-start=\"361\" data-end=\"446\">How TTW-System B.V. gathered useful insights on ALS strains in a short period of time<\/strong><\/em><\/p>\n<p data-start=\"448\" data-end=\"850\">The chicory sector is facing a major change. Due to adjustments in the herbicide package, the so-called <strong data-start=\"565\" data-end=\"579\">ALS varieties<\/strong> increasingly prominent in the picture. However, these varieties require a different approach - and that still makes many chicory growers reluctant. Field experience is limited, and uncertainty about yield and quality in the draw holds back the introduction of these varieties.<\/p>\n<p data-start=\"852\" data-end=\"1090\">To close that knowledge gap, it put <strong data-start=\"889\" data-end=\"909\">TTW-System B.V.<\/strong> in spring 2025 a large-scale <strong data-start=\"953\" data-end=\"969\">force test<\/strong> on. The aim: to collect reliable, comparable data in a short time that will allow growers and tractors to manage better.<\/p>\n<p data-start=\"852\" data-end=\"1090\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-1288\" src=\"https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-witlof-beoordelen-300x225.png\" alt=\"\" width=\"369\" height=\"277\" srcset=\"https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-witlof-beoordelen-300x225.png 300w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-witlof-beoordelen-768x576.png 768w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-witlof-beoordelen-16x12.png 16w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-witlof-beoordelen.png 927w\" sizes=\"(max-width: 369px) 100vw, 369px\" \/><\/p>\n<h3 data-start=\"1097\" data-end=\"1132\">Assessing together, learning together<\/h3>\n<p data-start=\"1134\" data-end=\"1339\">The trial focused on two late ALS strains: <strong data-start=\"1181\" data-end=\"1199\">Djine (Hazera)<\/strong> and <strong data-start=\"1203\" data-end=\"1226\">Lady Marie (Hoquet)<\/strong> - varieties that could become important as alternatives to common varieties due to their long forcing period.<\/p>\n<p data-start=\"1341\" data-end=\"1687\">In total, <strong data-start=\"1358\" data-end=\"1373\">17 parties<\/strong> tested, coming from several chicory tractors with which TTW works closely. The lots were not only assessed in the draw, but also monitored in the cultivation phase. Through data from <strong data-start=\"1560\" data-end=\"1583\">root cultivation and migration<\/strong> linked together, a complete picture of race behaviour under a variety of conditions emerged.<\/p>\n<p data-start=\"1689\" data-end=\"1961\">During a joint assessment evening, the batches were discussed with the triggers, after which TTW objectively determined the yield and quality. This way of working together ensures that knowledge does not get stuck in the trial design, but lands directly in practice.<\/p>\n<p data-start=\"1689\" data-end=\"1961\"><img decoding=\"async\" class=\"alignnone wp-image-1289\" src=\"https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-2-300x225.png\" alt=\"\" width=\"373\" height=\"280\" srcset=\"https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-2-300x225.png 300w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-2-768x575.png 768w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-2-16x12.png 16w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-2.png 773w\" sizes=\"(max-width: 373px) 100vw, 373px\" \/><\/p>\n<h3 data-start=\"1097\" data-end=\"1132\">Useful insights for better steering<\/h3>\n<p data-start=\"669\" data-end=\"960\">The results provided clear insights into the differences between the varieties.<br data-start=\"751\" data-end=\"754\" \/>In one variety, growth habit in the field was found to have a strong effect on disease susceptibility, while in another, plant density was the main determinant of quality in the draw.<\/p>\n<p data-start=\"967\" data-end=\"1204\">Based on these findings, TTW-System B.V. has further refined cultivation recommendations. This allows growers and tractors to better respond to the specific characteristics of each variety - resulting in more certainty in yield and quality.<\/p>\n<p data-start=\"967\" data-end=\"1204\">The full analysis of the forcing trial, including the underlying data and variety-specific advice, is available to participating chicory growers and partners of TTW-System B.V.<\/p>\n<h3 data-start=\"2712\" data-end=\"2748\">Steering for quality in migration<\/h3>\n<p data-start=\"2750\" data-end=\"2860\">The forcing test also revealed valuable differences between varieties and <strong data-start=\"2832\" data-end=\"2857\">pitch temperature regimes<\/strong>.<\/p>\n<ul data-start=\"2862\" data-end=\"3125\">\n<li data-start=\"2862\" data-end=\"3017\">\n<p data-start=\"2864\" data-end=\"3017\">Djine needed more temperature on average for a mature crop and appeared more sensitive to certain regimes <strong data-start=\"2978\" data-end=\"2991\">hollow kernel<\/strong> and <strong data-start=\"2995\" data-end=\"3014\">reddening<\/strong>.<\/p>\n<\/li>\n<li data-start=\"3018\" data-end=\"3125\">\n<p data-start=\"3020\" data-end=\"3125\">Lady Marie remained more stable, but at higher temperatures showed a slight tendency to <strong data-start=\"3109\" data-end=\"3122\">brownedge<\/strong>.<\/p>\n<\/li>\n<\/ul>\n<p data-start=\"3127\" data-end=\"3303\">These findings allow for a <strong data-start=\"3183\" data-end=\"3209\">specific migration protocol<\/strong> drafting, reducing the likelihood of quality problems and increasing shelf life.<\/p>\n<p data-start=\"3305\" data-end=\"3487\"><img decoding=\"async\" class=\"alignnone wp-image-1290\" src=\"https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-houdbaarheid-witlof-300x183.png\" alt=\"\" width=\"505\" height=\"308\" srcset=\"https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-houdbaarheid-witlof-300x183.png 300w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-houdbaarheid-witlof-18x12.png 18w, https:\/\/ttw.nl\/wp-content\/uploads\/2025\/11\/Foto-houdbaarheid-witlof.png 496w\" sizes=\"(max-width: 505px) 100vw, 505px\" \/><\/p>\n<h3 data-start=\"3494\" data-end=\"3534\">Knowledge that moves the sector forward<\/h3>\n<p data-start=\"3536\" data-end=\"3825\">Thanks to this hands-on approach, chicory growers now have concrete tools for successfully introducing new ALS varieties.<br data-start=\"3681\" data-end=\"3684\" \/>What began as a knowledge gap study grew into a <strong data-start=\"3745\" data-end=\"3773\">data-driven learning pathway<\/strong> in which cultivation, migration and practice reinforce each other.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hoe TTW-Systeem B.V. in korte tijd bruikbare inzichten verzamelde over ALS-rassen De witlofsector staat voor een belangrijke verandering. Door aanpassingen in het herbicidepakket komen de zogenoemde ALS-rassen steeds nadrukkelijker in beeld. Deze rassen vragen echter om een andere aanpak \u2014 en dat maakt veel witloftrekkers nog terughoudend. De ervaring in de praktijk is beperkt, en [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":1288,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[18],"tags":[],"class_list":["post-1287","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actueel"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nieuwe witlofrassen sneller begrijpen dankzij praktijkgericht onderzoek - TTW-Systeem B.V.<\/title>\n<meta name=\"description\" content=\"Praktijkgericht onderzoek van TTW-Systeem B.V. biedt helder inzicht in nieuwe ALS-witlofrassen. 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