{"id":13401,"date":"2026-06-20T12:27:30","date_gmt":"2026-06-20T12:27:30","guid":{"rendered":"https:\/\/dev.iita.org\/news-item\/nextgen-cassava-gets-more-support-for-cassava-development\/"},"modified":"2026-06-29T21:39:14","modified_gmt":"2026-06-29T21:39:14","slug":"nextgen-cassava-gets-more-support-for-cassava-development","status":"publish","type":"news-item","link":"https:\/\/iita.org\/fr\/news-item\/nextgen-cassava-gets-more-support-for-cassava-development\/","title":{"rendered":"NextGen Cassava gets more support for cassava development"},"content":{"rendered":"Cassava is vital to the food security of millions of Africans who eat some form of the root crop daily. Although cassava breeders are making progress, they still face significant challenges in developing disease-resistant varieties that also increase overall yield  and respond to the needs of smallholder farmers  and processors. Cornell University will exp and international efforts to deliver improved varieties of cassava to smallholder farmers in sub-Saharan Africa with $35 million in new funding from the Bill &amp; Melinda Gates Foundation  and UK aid from the United Kingdom.\n\n\u201cThis grant funds a second five-year phase that will allow us to build on previous work  and focus on getting improved varieties into farmers\u2019 fields,\u201d said Ronnie Coffman, international plant breeder  and director of Cornell\u2019s International Programs in the College of Agriculture  and Life Sciences, who leads the project.\n\n<figure id=\"attachment_15192\" aria-describedby=\"caption-attachment-15192\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.iita.org\/wp-content\/uploads\/2018\/02\/Elizabeth-Parkes.jpg\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-15192\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/Elizabeth-Parkes-300x199-1.jpg\" alt=\"Picture of Elizabeth Parkes, HarvestPlus Cassava Breeder\" width=\"300\" height=\"199\" \/><\/a><figcaption id=\"caption-attachment-15192\" class=\"wp-caption-text\">Elizabeth Parkes, HarvestPlus Cassava Breeder<\/figcaption><\/figure>\n\nDuring Phase 1 of the Next Generation Cassava Breeding project \u2014 also funded by the Gates Foundation  and UK aid from 2012 to 2017 \u2014 researchers shortened the breeding cycle for new cassava varieties by improving flowering  and using genomic selection. Through analyzing plant genotypes  and identifying cassava lines with desirable traits, such as resistance to cassava brown streak disease or high dry matter content, breeders also improved their ability to make selections based on genetics  and probability without having to wait for seedlings to reach adulthood. These methods save breeding time for a crop where flowering  and sexual propagation are issues.\n\nAnother goal of Phase 1 was to make cassava genomic information publicly accessible on an open database. Cassava researchers all over the world are now comparing results  and improving breeding programs without duplicating efforts by using <a href=\"http:\/\/www.cassavabase.org\/\" target=\"_blank\" rel=\"noopener\">Cassavabase<\/a>. To reduce cost per progeny  and improve the quality of data uploaded to Cassavabase in Phase 2, NextGen researchers will use additional methods of whole genome sequencing.\n\n\u201cOur focus for the next five years will be to translate this research into breeding practices to increase impact,\u201d said <a href=\"https:\/\/iita.org\/fr\/iita-staff\/egesi-chiedozie\/\" target=\"_blank\" rel=\"noopener\">Chiedozie Egesi<\/a>, NextGen project director  and adjunct professor of plant breeding  and genetics at Cornell, who is based at the <a href=\"https:\/\/iita.org\/fr\/\" target=\"_blank\" rel=\"noopener\">Institut International d'Agriculture Tropicale<\/a> (IITA) in Nigeria. \u201cA key goal in Phase 2 will be to identify traits preferred by farmers  and end-users  and incorporate them into new cassava lines to ensure that varieties are responsive to people\u2019s needs.\u201d\n<blockquote>Egesi said, \u201cWe believe we will accelerate genetic gain as well as adopted genetic gain, increase the yields  and resilience of cassava production by smallholder farmers,  and move African cassava breeding toward greater capacity.\u201d<\/blockquote>\n\u201cAmong the 30 new clones developed at IITA using our methods, 10 had higher dry matter yield than any clone currently available for smallholder farmers in Nigeria,\u201d said Jean-Luc Jannink, a research plant geneticist with the United States Department of Agriculture, Agricultural Research Service (USDA-ARS)  and Cornell adjunct associate professor in the Department of Plant Breeding  and Genetics at Cornell. \u201cDry matter yield is a close proxy to food yield. Conservatively, we believe that we will increase the rate of genetic gain in cassava by 30 to 50 percent.\u201d\n<blockquote>Said <a href=\"https:\/\/iita.org\/fr\/iita-staff\/kulakow-peter\/\" target=\"_blank\" rel=\"noopener\">Peter Kulakow<\/a>, IITA cassava breeder  and geneticist: \u201cGenetic gain is a measure of the improvement of plant performance between generations  and a goal of most modern breeding programs. Swifter improvements mean more new\u00a0varieties can be tested  and released.\u201d<\/blockquote>\n<figure id=\"attachment_15191\" aria-describedby=\"caption-attachment-15191\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.iita.org\/wp-content\/uploads\/2018\/02\/Peter-Kulakow-1.jpg\"><img decoding=\"async\" class=\"size-medium wp-image-15191\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/Peter-Kulakow-1-300x199.jpg\" alt=\"Picture of Peter Kulakow, Cassava Breeder \/ Geneticist\" width=\"300\" height=\"199\" \/><\/a><figcaption id=\"caption-attachment-15191\" class=\"wp-caption-text\">Peter Kulakow, IITA Cassava Breeder \/ Geneticist<\/figcaption><\/figure>\n\nAt\u00a0the sixth annual Next Gen Cassava meeting, Feb. 19-24 in Dar es Salaam, Tanzania,\u00a0teams of NextGen breeders, geneticists, data analysts, computer programmers, food technologists, social scientists  and crop protectionists will be focusing on goals for Phase 2  and discussing how to better coordinate  and leverage the exchange of germplasm  and genotypic  and\u00a0phenotypic data from each other.\n<h2>Developing capacity for sustainable breeding programs<\/h2>\nCompared with other major staples like maize, rice  and wheat, cassava has undergone few advances in productivity  and yield over the last 50 years, making it an ideal c andidate for breeding improvement. Because cassava is clonally propagated  and has a low multiplication rate, it can take almost six to eight years before a new cassava variety makes it from breeders\u2019 nurseries through field trials to farmers\u2019 fields. Most breeding efforts focus on product development \u2014 goals set by scientists  and researchers without accounting for the preferences of farmers. In practice, this can result in poor adoption of new varieties  and unrealized potential.\n<blockquote>\u201cBreeders must be able to more quickly develop cassava varieties that resist diseases, are climate resilient  and meet the needs of end-users  and consumers,\u201d said Egesi.<\/blockquote>\nStrengthening the capacity of national breeding programs will be critical in achieving self-sustaining breeding systems in sub-Saharan Africa. Over the next five years, NextGen researchers will continue to train the next generation of sub-Sahara African cassava breeders in modern plant breeding techniques like genomic selection  and improved breeding methods.\n\n<figure id=\"attachment_15187\" aria-describedby=\"caption-attachment-15187\" style=\"width: 300px\" class=\"wp-caption alignright\"><a href=\"http:\/\/www.iita.org\/wp-content\/uploads\/2018\/02\/Technician-examining-specimen-under-electron-microscope-in-Genetic-Resources-Center-GRC-in-IITA-Ibadan.jpg\"><img decoding=\"async\" class=\"size-medium wp-image-15187\" src=\"https:\/\/iita.org\/wp-content\/uploads\/2026\/06\/Technician-examining-specimen-under-electron-microscope-in-Genetic-Resources-Center-GRC-in-IITA-Ibadan-300x199-1.jpg\" alt=\"Picture of Technician examining specimen under electron microscope in Genetic Resources Center, GRC in IITA Ibadan\" width=\"300\" height=\"199\" \/><\/a><figcaption id=\"caption-attachment-15187\" class=\"wp-caption-text\">Technician examining specimen under electron microscope in Genetic Resources Center, GRC in IITA Ibadan<\/figcaption><\/figure>\n\nInternational  and regional partnerships are another important element of sustainability. NextGen researchers are reaching out to their counterparts in Ghana, Rw anda, Mozambique, Sierra Leone  and the Democratic Republic of Congo to create a broader network of researchers who can work together to improve livelihoods  and food security.\n\nIn Africa, NextGen collaborators include IITA  and the National Root Crops Research Institute in Nigeria; the West Africa Centre for Crop Improvement in Ghana; the National Crops Resources Research Institute  and Makerere University in Ug anda;  and the Tanzania Agricultural Research Institute in Tanzania. In South America, collaborators include Embrapa in Brazil  and the International Center for Tropical Agriculture (CIAT) in Colombia. In the US, collaborators are Cornell University (who leads the project), the Boyce Thompson Institute at Cornell, the University of Hawaii,  and the USDA-ARS in Ithaca.\n\nFor more information see <a href=\"http:\/\/www.nextgencassava.org\/\" target=\"_blank\" rel=\"noopener\">www.nextgencassava.org<\/a>\n\n<strong>Contacts presse :<\/strong>\n\nLinda McC andless, +1-607-227-5920\n<a href=\"mailto:llm3@cornell.edu\">llm3@cornell.edu<\/a>\n\nCatherine Njuguna, +255-767361255\n<a href=\"mailto:c.njuguna@cgiar.org\" target=\"_blank\" rel=\"noopener\">c.njuguna@cgiar.org<\/a>","protected":false},"excerpt":{"rendered":"<p>Cornell University will expand international efforts to deliver improved varieties of cassava to smallholder farmers in sub-Saharan Africa with $35 million in new funding from the Bill &amp; Melinda Gates Foundation and UK aid from the United Kingdom.<\/p>","protected":false},"featured_media":13402,"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":[441],"science-area":[],"program":[],"location":[],"news-type":[],"hub":[],"crop":[66],"impact-areas":[],"item-year":[196],"class_list":["post-13401","news-item","type-news-item","status-publish","has-post-thumbnail","hentry","tag-bill-melinda-gates-foundationcassavacornell-universityuk-aid","crop-cassava","item-year-196"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - 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