{"id":13371,"date":"2026-06-20T12:27:30","date_gmt":"2026-06-20T12:27:30","guid":{"rendered":"https:\/\/dev.iita.org\/news-item\/iita-to-partner-in-global-efforts-to-contain-serious-disease-threat-to-the-worlds-bananas\/"},"modified":"2026-06-29T21:39:01","modified_gmt":"2026-06-29T21:39:01","slug":"iita-to-partner-in-global-efforts-to-contain-serious-disease-threat-to-the-worlds-bananas","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/iita-to-partner-in-global-efforts-to-contain-serious-disease-threat-to-the-worlds-bananas\/","title":{"rendered":"IITA to partner in global efforts to contain serious disease threat to the world\u2019s bananas"},"content":{"rendered":"FAO  and partners Bioversity International, IITA,  and the World Banana Forum have launched a global program requiring $98 million to contain  and manage a new Fusarium Wilt strain\u2014Tropical Race 4 (TR4) that is jeopardizing livelihoods that rely on banana\u2014the world\u2019s most traded fruit.\n\n<figure id=\"attachment_14619\" aria-describedby=\"caption-attachment-14619\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.iita.org\/wp-content\/uploads\/2017\/11\/1024_Annet-of-Kyakkonda-village-Rakai-poses-with-a-NARO-hybrid-TMH3x-2729k-1-evaluated-by-IITA.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-14619\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/1024_Annet-of-Kyakkonda-village-Rakai-poses-with-a-NARO-hybrid-TMH3x-2729k-1-evaluated-by-IITA-300x227-1.jpg\" alt=\" Picture of NARO hybrid banana\" width=\"300\" height=\"227\" \/><\/a><figcaption id=\"caption-attachment-14619\" class=\"wp-caption-text\">Banana is a staple food in most of East Africa.<\/figcaption><\/figure>\n\nIITA will lead efforts in deploying existing knowledge, human resources,  and capabilities to breed for resistant bananas against TR4 based on its extensive experience in banana breeding in the continent.\n\nFusarium wilt (TR4) was first detected in Southeast Asia in the 1990s  and has now been identified at 19 sites in 10 countries, including the Near East, South Asia,  and Mozambique in sub-Saharan Africa. This insidious disease can last for years in soils  and can hitchhike to new fields  and destinations through several means such as infected planting materials, water, shoes, farm tools,  and vehicles.\n<blockquote>\u201cThis is a major threat to banana production in several regions of the world. We need to move quickly to prevent its further spread from where it is right now  and to support already affected countries in their efforts to cope with the disease,\u201d said Hans Dreyer, Director of FAO\u2019s Plant Production  and Protection Division.\n\n\u201cThe long-term resilience of banana production systems can only be improved through continuous monitoring, robust containment strategies, strengthening national capacities,  and enhancing international collaboration to deploy integrated disease management approaches,\u201d he added.<\/blockquote>\nThe global program is initially targeting 67 countries in a bid to prevent its spread  and management. Without a coordinated intervention, scientists estimate that the disease could affect up to 1.6 million hectares of current banana l ands by 2040, representing one-sixth of current global production with an estimated annual value of $10 billion. The program aims to reduce the potentially affected area by up to 60%.\n<blockquote>\u201cThere is also an important knowledge gap regarding the biology  and management of the fungus  and we aim to address these through this collaborative initiative, also promoting introduction of more biodiversity  and improved agronomic practices into banana production systems,\u201d said Ann Tutwiler, Director General of Bioversity International, speaking on her behalf  and that of IITA.<\/blockquote>\nThe five-year program is designed to build on existing initiatives tackling the disease  and focuses on strengthening local technical capacities  and supporting the development of science-based technologies  and tools through research on biology  and epidemiology of the fungus, its detection, surveillance, rapid containment actions, soil health,  and the development of resistant cultivars.\n\nIITA is currently partnering with renowned worldwide research teams in an ongoing regional banana breeding program in the Great Lakes Region (<a href=\"http:\/\/breedingbetterbananas.org\/\" target=\"_blank\" rel=\"noopener\">http:\/\/breedingbetterbananas.org\/<\/a>).\n\nFor areas where the disease is not present or first appears, inspection, surveillance  and rapid response measures will be developed. Where it already occurs, improved  and integrated disease management techniques will be developed along with the search for  and deployment of resistant varieties.\n\nIf effectively rolled out, it is estimated that every $1 invested in the program today will produce benefits of between $98  and $196 in 20 years\u2019 time.\n<h2>What is <em>Fusarium<\/em> wilt TR4?<\/h2>\nPart of the <em>Fusarium oxysporum<\/em> f.sp. <em>cubense<\/em> family, the disease is caused by a new variant of the fungus that had decimated banana plantations in the early 20th century, ultimately causing more than $2 billion in damages  and leading to the replacement of the Gros Michel banana type with the Cavendish variety. The Cavendish proved resistant to the earlier strain of the fungus but has now succumbed to the new race TR4.\n\n<figure id=\"attachment_14618\" aria-describedby=\"caption-attachment-14618\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.iita.org\/wp-content\/uploads\/2017\/11\/1024_Fusarium-Wilt-TR4_.jpg\"><img decoding=\"async\" class=\"wp-image-14618\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/1024_Fusarium-Wilt-TR4_-724x1024.jpg\" alt=\"Poster of Fusarium wilt TR4\" width=\"300\" height=\"424\" \/><\/a><figcaption id=\"caption-attachment-14618\" class=\"wp-caption-text\">Fusarium wilt TR4<\/figcaption><\/figure>\n\nThe TR4\u2014which so far has impacted nearly 100,000 hectares according to estimations of scientists\u2014particularly affects the Cavendish banana, which accounts for around half the bananas grown today, but also other cultivars that constitute key nutritional staples. Despite banana\u2019s large role in global trade, around 85% of annual production is consumed locally.\n\nAffected plants show yellowing leaves, which then collapse  and form a skirt of debris around the lower part of the plant. The fungus can easily spread  and remain viable in the soil for decades. This is why the phytosanitary st andards provided by the International Plant Protection Convention are essential as the best approach by far in preventing the fungus from arriving in a new country or region.\n\nWhen discovered, infested areas should be rapidly  and properly fenced in, infected plants destroyed  and further quarantine measures were taken. Implementation of such measures will vary widely according to whether production systems are based on smallholder farming, mixed-cropping systems or monoculture plantations.\n\nMore information is available here: Global programme on Fusarium wilt disease of banana: Engaging stakeholders in combatting TR4: Side event at World Banana forum, 7-10 November: <a href=\"http:\/\/www.fao.org\/world-banana-forum\/wbf3\/wbf3\/en\/\" target=\"_blank\" rel=\"noopener\">http:\/\/www.fao.org\/world-banana-forum\/wbf3\/wbf3\/en\/<\/a>\n\n<a href=\"https:\/\/iita.org\/fr\/news-item\/new-banana-disease-africa-found-mozambique\/\" target=\"_blank\" rel=\"noopener\">New banana disease to Africa found in Mozambique<\/a>\n\n<a href=\"http:\/\/www.rtb.cgiar.org\/blog\/2017\/11\/23\/bad-news-fusarium-wilt-breeding-better-bananas-means-business\/\" target=\"_blank\" rel=\"noopener\">Bad news for Fusarium wilt: \u201cBreeding Better Bananas\u201d means business<\/a>","protected":false},"excerpt":{"rendered":"<p>FAO and partners Bioversity International, IITA, and the World Banana Forum have launched a global program requiring $98 million to contain and manage a new Fusarium Wilt strain\u2014Tropical Race 4 (TR4) that is jeopardizing livelihoods that rely on banana\u2014the world\u2019s most traded fruit.<\/p>","protected":false},"featured_media":13372,"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 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