{"id":35576,"date":"2026-10-09T10:54:54","date_gmt":"2026-10-09T10:54:54","guid":{"rendered":"https:\/\/iita.org\/?post_type=news-item&#038;p=35576"},"modified":"2026-10-09T10:54:56","modified_gmt":"2026-10-09T10:54:56","slug":"decades-of-collaboration-advances-breeding-efforts-in-high-yielding-aflatoxin-resistant-maize","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/decades-of-collaboration-advances-breeding-efforts-in-high-yielding-aflatoxin-resistant-maize\/","title":{"rendered":"Decades of collaboration advances breeding efforts in high-yielding aflatoxin-resistant maize"},"content":{"rendered":"<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"820\" height=\"411\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/10\/Decades-1.png\" alt=\"Field and laboratory evaluation of maize genotypes for resistance to aflatoxin accumulation. (a) Field inoculation of maize ears with a highly toxigenic Aspergillus flavus isolate; (b) susceptible genotype showing severe ear rot approximately one month after inoculation; (c) resistant genotype showing no visible ear rot at the same time point despite inoculation; and (d) extraction of aflatoxins from maize samples in the IITA Pathology and Mycotoxin Laboratory prior to quantification by thin-layer chromatography coupled with scanning densitometry.\" class=\"wp-image-35577\" srcset=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/10\/Decades-1.png 820w, https:\/\/iita.org\/wp-content\/uploads\/2026\/10\/Decades-1-300x150.png 300w, https:\/\/iita.org\/wp-content\/uploads\/2026\/10\/Decades-1-768x385.png 768w, https:\/\/iita.org\/wp-content\/uploads\/2026\/10\/Decades-1-18x9.png 18w\" sizes=\"(max-width: 820px) 100vw, 820px\" \/><figcaption class=\"wp-element-caption\">Field and laboratory evaluation of maize genotypes for resistance to aflatoxin accumulation. (a) Field inoculation of maize ears with a highly toxigenic Aspergillus flavus isolate; (b) susceptible genotype showing severe ear rot approximately one month after inoculation; (c) resistant genotype showing no visible ear rot at the same time point despite inoculation; and (d) extraction of aflatoxins from maize samples in the IITA Pathology and Mycotoxin Laboratory prior to quantification by thin-layer chromatography coupled with scanning densitometry.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The collaboration between <a href=\"https:\/\/iita.org\/fr\/\"><u>IITA<\/u><\/a>\u2019s Maize Improvement Program, Pathology and Mycotoxin\/Aflasafe Unit, and the University of Ibadan has generated new evidence that resistance to aflatoxins can be combined with productivity and agronomic stability\u2014bringing host-plant resistance closer to becoming a practical component of integrated aflatoxin mitigation.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Aflatoxins, produced primarily by the fungus <em>Aspergillus flavus<\/em>, are a major food safety challenge across the tropics and subtropics. Although breeding for resistance has been pursued for decades, developing high-yielding maize that consistently limits aflatoxin contamination has remained elusive.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/blogs.iita.org\/decades-of-collaboration-advances-breeding-efforts-in-high-yielding-aflatoxin-resistant-maize\/\">Read more: <\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>The collaboration between IITA\u2019s Maize Improvement Program, Pathology and Mycotoxin\/Aflasafe Unit, and the University of Ibadan has generated new evidence [&hellip;]<\/p>\n","protected":false},"featured_media":35577,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","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":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"tags":[2953,2954,2994,3068,3033,2966,474,2903],"science-area":[4],"program":[158,109,115],"location":[32],"news-type":[50],"hub":[61],"crop":[68],"impact-areas":[72,73],"item-year":[204],"class_list":["post-35576","news-item","type-news-item","status-publish","has-post-thumbnail","hentry","tag-aflasafe","tag-aflatoxin","tag-agronomy","tag-breeding","tag-crop-improvement","tag-food-systems","tag-maize","tag-plant-health","science-area-resilient-agri-food-systems","program-nutrition-and-healthnh","program-plant-health","program-resilience-and-climate-adaptation-rca","location-nigeria","news-type-blog","hub-western-africa","crop-maize","impact-areas-nutrition-health-and-food-security","impact-areas-poverty-reduction-livelihoods-and-jobs","item-year-204"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - 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(a) Field inoculation of maize ears with a highly toxigenic Aspergillus flavus isolate; (b) susceptible genotype showing severe ear rot approximately one month after inoculation; (c) resistant genotype showing no visible ear rot at the same time point despite inoculation; and (d) extraction of aflatoxins from maize samples in the IITA Pathology and Mycotoxin Laboratory prior to quantification by thin-layer chromatography coupled with scanning densitometry.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/iita.org\\\/news-item\\\/decades-of-collaboration-advances-breeding-efforts-in-high-yielding-aflatoxin-resistant-maize\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/iita.org\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"News\",\"item\":\"https:\\\/\\\/iita.org\\\/news-item\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Decades of collaboration advances breeding efforts in high-yielding aflatoxin-resistant maize\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/iita.org\\\/#website\",\"url\":\"https:\\\/\\\/iita.org\\\/\",\"name\":\"IITA\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/iita.org\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/iita.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/iita.org\\\/#organization\",\"name\":\"International Institute of Tropical Agriculture\",\"url\":\"https:\\\/\\\/iita.org\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/iita.org\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/iita.org\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/IITA-Logo-finalll.png\",\"contentUrl\":\"https:\\\/\\\/iita.org\\\/wp-content\\\/uploads\\\/2025\\\/07\\\/IITA-Logo-finalll.png\",\"width\":1788,\"height\":591,\"caption\":\"International Institute of Tropical Agriculture\"},\"image\":{\"@id\":\"https:\\\/\\\/iita.org\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/IITA.CGIAR\",\"https:\\\/\\\/x.com\\\/IITA_CGIAR\",\"http:\\\/\\\/www.linkedin.com\\\/company\\\/iita\",\"http:\\\/\\\/www.youtube.com\\\/user\\\/IITAPUBLISHING\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Decades of collaboration advances breeding efforts in high-yielding aflatoxin-resistant maize - 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