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Unveiling the potential of sorghum to shape sustainable agriculture

Scientists, researchers and stakeholders from around the world gathered at the global sorghum conference from June 5-9, 2023, in Montpellier, France, to discuss the latest developments in sorghum research, innovation, challenges and sustainable practices in the face of climate change.

The Dryland Crops Program (DCP) partners pose for a group photo at the Sorghum Conference (Photo: Marion Aluoch/CIMMYT)

Participating as a sponsor, the International Maize and Wheat Improvement Center (CIMMYT) demonstrated valuable insights and technological advances in a variety of sessions. Two CIMMYT representatives and six National Agricultural Research Extension Systems (NARES) partners, presented findings, addressing critical topics such as adaptation genetics and genomics, climate and environmental change, sorghum yield optimization techniques and the development of new sorghum products for human consumption.

CIMMYT has initiated a crop improvement program, known as the Dryland Crop Program (DCP), focused on sorghum, millets (pearl and finger millet), chickpea, pigeon pea and groundnut. The program is in the process of establishing a CGIAR-NARES network with stakeholders form 17 countries in Africa to collaboratively create, develop and implement a crop improvement network for these crops in Eastern, Southern, Western and Central Africa. This cooperative approach will enable CIMMYT and the network to identify suitable products for specific market segments, establish joint breeding pipelines, conduct on-farm germplasm testing and ultimately release and scale up superior seed varieties. This will ultimately lead to improving the quality and yield of these dryland crops, ensuring food security and promoting sustainable agricultural practices.

Nebie Baloue from CIMMYT Senegal providing information about the Dryland Crops Program (DCP) program to visitors at the CIMMYT’s booth (Photo: Marion Aluoch/CIMMYT)

Abhishek Rathore presented “Understanding sorghum race level diversity and development of sorghum genomic resources by using deep learning-based variant calling approach,” which examines sorghum’s racial diversity and the creation of genomic resources. Using a deep learning-based variant, researchers identified race-specific genetic signatures and gained a comprehensive understanding of sorghum race structure and domestication processes. These discoveries pave the way for more targeted breeding programs and the identification of single nucleotide polymorphism (SNPs) markers.

Baloua Nebie presented a poster on “Crop improvement network approach to co-develop market required products and strengthen partners’ capacities in Africa.” He indicated the dryland crops improvement programs are in collaboration with CGIAR-NARES programs, with CIMMYT acting as a facilitator within the network to deliver varieties more quickly and efficiently in response to market demand. The network is comprised of 10 NARES in Western and Central Africa, seven NARES in Eastern and Southern Africa, as well as farmer organizations and seed companies. In addition to their national roles, NARES partners will contribute to regional activities based on their comparative advantages; these roles include co-sharing of regional pipelines development, early to late testing of breeding lines, product release and scaling. Through consultative meetings and program evaluation, these activities will be aligned with the regional and country-specific market segments identified by stakeholders.

Alex Zongo of the Institut de l’Environnement et des Recherches Agricoles (INERA) / CNRST – Burkina Faso, a NARES partner, presented research analyzing the macro-institutional determinants of the adoption of new sorghum/millet varieties. He shed light on the obstacles associated with the adoption of new sorghum/millet varieties. The research uncovered the economic and social incentives that prevent their scaling through a combination of qualitative and quantitative analysis.

Mr. Jeffrey Ehlers Program Officer at the Bill & Melinda Gates Foundation engages in conversation with Nebie Baloua from CIMMYT Senegal at the CIMMYT’s booth (Photo: Marion Aluoch/CIMMYT)

With climate change posing a significant threat to global agriculture, NARES partners involved in regional networks have delved into the pressing issues of enhancing sorghum production’s climate resilience. Rekiya Abdoulmalik, from the Institute of Agriculture Research (IAR) in Nigeria, presented a poster on the threats to sorghum cultivation in Nigeria posed by current security issues and potential climate change effects. The study evaluated 14 varieties of dwarf sorghum in multiple locations. The analysis identified stable, high-yielding varieties with the potential to contribute to Nigeria’s food security in the face of shifting environmental conditions.

Other NARES partners presenting posters included Henry Nzioka from Kenya Agricultural and Livestock Research (KALRO), who made a case for the biological control of the striga weed in sorghum. Citing technological advancements, he illustrated how the integration of climate-smart weed management technologies can lead to the control of the weed.

Another presentation by Charles Bett of KALRO focused on mechanization in the sorghum value chain, which revealed that investments in machinery and traction power have a positive and significant effect on sorghum yield. The findings recommend a shift in policy to help farmers afford small-scale machinery and gradually replace ox power with affordable machinery.

Baba Haoua, from INRAN, Niger, highlighted that introducing specific genes into sorghum varieties through conventional breeding will increase their nutritional content and identify promising lines for local farmers, providing a sustainable solution for improving sorghum for both grain and livestock feed applications.

Assitan Daou from the Institut d’Economie Rurale (IER) in Mali emphasized the suitability of sorghum as a crop for growing populations in varying climates and the significance of an agroecological transition for adaptation to climate change. His poster presentation centered on sorghum cropping systems under rainfed conditions, which aligned with the conference’s goals of increasing crop productivity, adapting to climate variations and bolstering the resilience of small-scale farmers.

The conference, according to Chris Ojiewo, Strategic Partnerships and Seed Systems lead for the Dryland Crops Program at CIMMYT, played a crucial role in sharing the latest sorghum research findings and their outcomes. “The conference provided an important platform for communicating advances in research and associated outputs and outcomes on sorghum as an important cereal grain contributing to food, nutrition and income securities and overall resilience in agrifood systems especially to smallholder farmers in areas prone to drought stress and more so in the face of changing and variable climates,” said Ojiewo.

Nebie Baloua from CIMMYT Senegal engaging with visitors at the CIMMYT’s stand (Photo: Marion Aluoch/CIMMYT)

CIMMYT also set up an exhibition booth that provided an overview of the various activities undertaken as a part of its dryland crop programs and CGIAR-NARES improvement network. Senior officials of donor organizations consulted CIMMYT staff regarding approaches to dryland crops improvements, key achievements and the possibility of new partnerships.

The next 21st Century Global Sorghum Conference will be hosted by Texas University in Lubbock in September 2026.

Scaling impact of dryland crops research through regional crop improvement networks

A section of key speakers at the Drylands Legumes and Cereals Network Meeting in Accra, Ghana in January 2023. (Photo: Eagle Eye Projects)

The formation of regional crop improvement networks took center stage at a meeting held in January 2023 in Accra, Ghana. The meeting convened more than 200 scientists and stakeholders in dryland crops value chains from 28 countries from Africa and across the globe to co-design a network approach.

The meeting followed a series of consultative visits and discussions between three CGIAR research centers — the International Maize and Wheat Improvement Center (CIMMYT), Alliance of Bioversity International and CIAT, and the International Institute of Tropical Agriculture (IITA) — African National Agricultural Research Institutes (NARIs), and other common-visioned partners during 2021 and 2022. These earlier discussions gathered insights, brainstormed, and co-designed approaches to empower national programs to deliver impact through their crop improvement programs.

“The idea is to add value to the existing capacities in National Agricultural Research and Extension Services, through networks where the partners agree on the goals and resources needed to achieve desired outcomes. So, it’s really a collaborative model,” said Harish Gandhi, breeding lead for dryland legumes and cereals at CIMMYT. He added that the teams have been learning from and aiming to add value to existing models such as the Pan-Africa Bean Research Alliance (PABRA), USAID Innovation Labs, and Innovation and plant breeding in West Africa (IAVAO).

Paradigm shift for African National Agricultural Research Institutes

Making the opening remarks, Ghana Council for Scientific and Industrial Research (CSIR) Director General, Paul Bosu said that at the very least, African countries should aim to feed themselves and transition from net importers to net exporters of food. “Dryland legumes and cereals, especially millet and sorghum, are very well adapted to the continent and offer great opportunity towards achieving food security”, said Bosu. He applauded the Bill & Melinda Gates Foundation and other partners for investing in research on these crops.

Representing West and Central African Council for Agricultural Research and Development (CORAF), Ousmane Ndoye noted that research in dryland legumes and cereals is a valid and needed action amidst the COVID-19 pandemic and civil unrest in different parts of the world. He added that the first and crucial step to increasing food production especially in sub-Saharan Africa is the availability of sufficient quantities of seed.

Director General of Uganda’s National Agriculture Research Organization (NARO), Ambrose Agona observed that a paradigm shift should occur for desired transformation in agriculture. He noted that African governments ought to commit adequate budgets to agriculture and that seed funding should serve to complement and amplify existing national budgets for sustainability.

He commended efforts to consult NARIs in Africa and noted that the quality of ideas exchanged at the meeting strengthen the work. “The NARIs feel happier when they are consulted from the very beginning and contribute to joint planning unlike in some cases where the NARIs in Africa are only called upon to make budgets and are excluded from co-designing projects”, said Agona.

Participants following the proceedings at the Drylands Legumes and Cereals Network Meeting in Accra, Ghana in January 2023. (Photo: Eagle Eye Projects)

Challenge to deliver effectively

During his remarks at the meeting, CIMMYT Director General Bram Govaerts noted that the focus legume and cereal crops are key to transforming and driving diversification of food systems in Africa. “It is therefore an honor and a privilege to work together with partners to improve cereal and legume systems. We will put forward our experience in breeding and commit to innovative systems approaches towards achieving impact and leverage what we are already good at, to become even better,” said Govaerts.

Referencing his visit with the United States Special Envoy for Global Food Security Cary Fowler to Southern Africa in January 2023, Govaerts narrated witnessing firsthand a food, energy and fertilizer crisis impacting Zambian and Malawian farmers. He challenged the meeting participants to envision the future impact they would like to see their breeding programs have as they design and strategize at the meeting. He pointed out that farmers are more interested in the qualities and characteristics of varieties released than the institutions responsible for the release.

CIMMYT Global Genetic Resources Director and Deputy Director General, Breeding and Genetics, Kevin Pixley also underscored the need to generate more impact through adoption of improved varieties in Africa. Pixley noted that on average, fewer than 30 percent of farmers are using improved varieties of sorghum, millet, and groundnut across the countries with ongoing work.

The meeting heard One CGIAR’s commitment to deliver resilient, nutritious and market preferred varieties as part of its Genetic Innovation Action Area, alongside improving systems and processes for sustainability from CGIAR Senior Director Plant Breeding and Pre-Breeding, John Derera. Speaking in the capacity of IITA’s Breeding Lead, Derera noted the progress made in IITA cowpea breeding program, including its modernization, owing to strong partnerships, cross learning and germplasm exchange between institutions.

PABRA Director & Leader of the Bean Programme at the Alliance of Bioversity International and CIAT, Jean-Claude Rubyogo, pointed out that despite remarkable achievements, such as those witnessed in the bean research, more effort is needed to tackle the challenges of climate change and also increase understanding of consumers traits.

Commenting on innovative pathways to improve adoption of improved varieties, the Director General of the Institute of Agricultural Research (IAR) in Zaria, Nigeria, Mohammad Ishiyaku observed the tendency for some seed companies to continue selling specific seed varieties for years, even when the productivity of the variety is low. He noted the seed companies always claimed consumer preferences concluding then that amidst investor demands, breeders ought to keenly investigate the expectations of consumers and famers to arrive at the best parameters for breeding choices.

A group photo of over 200 scientists and stakeholders in dryland crops value chains that participated at the Drylands Legumes and Cereals Network Meeting in Accra, Ghana in January 2023. (Photo: Eagle Eye Projects)

International Year of Millets, 2023

The gathering commemorated the International Year of Millets by listening to a keynote address on “Millets for food and nutritional security and mitigating climate change – #IYM2023” by Lake Chad Research Institute, Nigeria, Research Director, Zakari Turaki. The keynote was followed by statements on the importance of millets for various countries and wider Africa from: Sanogo Moussa Daouda, representing Director General of Mali’s Institut d’Économie Rurale (IER); Ibrahima Sarr, Director of Senegal’s Institut SĂ©nĂ©galais de Recherches Agricoles’s Centre National de Recherches Agronomiques; Hamidou Traore, Director of Burkina Faso’s Institut de L’Environnement et de Recherches Agricoles; and Ambrose Agona, Director General of NARO, Uganda.

High-level statements on approaches to gender integration in agricultural research and development were delivered by Scovia Adikini, NARO millet breeder, Geoffrey Mkamillo, Director General of Tanzania’s Agricultural Research Institute (TARI), Francis Kusi of Ghana’s Savanna Agricultural Research Institute (SARI), and Aliou Faye, Director of Senegal’s Regional Center of Excellence on Dry Cereals and Associated Crops (CERAAS).

AVISA Achievements

Finally, this meeting marked the transition from the recently ended Accelerated Varietal Improvement and Seed Systems in Africa (AVISA) project to align with One CGIAR initiatives under the Genetic Innovation Action Area, with specific focus on dryland crops.

Solomon Gyan Ansah, the Director of Crop Services at the Ministry of Food and Agriculture, Ghana, acknowledged the success of AVISA Project and commended the forum’s efforts to build on the gains made by the project in developing the new approach.

“By the end of 2022, AVISA project partners had reached 4.8 million farmers with 30,600 metric tons of seed of improved legume and cereal varieties, covering almost one million hectares of land”, revealed Chris Ojiewo, Strategic Partnerships and Seeds Systems Lead. Other achievements supported by the AVISA Project include upgrading of NARES facilities and building capacities of researchers through short- and long-term trainings.

The meeting was hosted by Ghana Council for Scientific and Industrial Research (CSIR) and Ghana’s Savannah Agricultural Research Institute (SARI), and was organized by CIMMYT, in partnership with IITA and the Alliance of Bioversity and CIAT (ABC).

African smallholder farmers hit hard by global food shortage: expert

At the 2023 Dryland Legumes and Cereals Review and Planning Meeting, Bram Govaerts, Director General of the International Maize and Wheat Improvement Center (CIMMYT), explained why African smallholder farmer families are most impacted by food shortages and high food prices.

“The world is in the middle of a food crisis, driven by the supply chain disruptions during and post-Covid, climate change with increased storms, temperatures, and drought, and the Russia-Ukraine crisis, leading to a shortage of fertilizers for food crop production, which have all led to the high cost of food,” said Govaerts, highlighting that smallholders are dealing with multiple challenges at once.

He continued by describing how the aforementioned challenges to food security are worsening poverty for vulnerable people in Africa, especially smallholder farmers.

However, harnessing the continent’s potential for food production could help to alleviate poverty and food insecurity. Govaerts cited examples of where smallholder farmers have returned to producing nutritious indigenous crops such as millet, sorghum, guinea corn, groundnut, cowpeas and chickpeas, which are reaping tremendous results.

Through investments in crops, farming practices, and agricultural technologies, the potential for food production in Africa can have a huge impact on hunger and poverty.

Read the original article: African smallholder farmers hit hard by global food shortage: expert

Exploring the potential for scaling nutritious cereal-based foods

Agrifood systems contribute to at least 12 of the 17 Sustainable Development Goals (SDGs). To advance these goals, agrifood systems need to deliver more nutritious food to more people and simultaneously be environmentally sustainable and resilient. Changes are required at multiple levels to include more sustainable farming, reduce food losses in distribution and retail, and increase the intake of healthier foods by consumers.

Recent studies show that piecemeal interventions focusing on only one aspect or area are insufficient to make the required transformation. Issues related to food security and improved nutrition are complex, and their solutions must transcend traditional disciplinary and institutional boundaries.

Agrifood systems research looks to understand how systems work and actions by governments, non-governmental organizations (NGOs), and the private sector that can positively influence outcomes at scale. Researchers and development professionals use this approach to assess how different actors, practices and policies share the production, marketing, availability, and consumption of food. Agriculture, trade, policy, health, environment, transport, infrastructure, gender norms and education all have a role to play in achieving resilient agrifood systems that deliver greater benefits to farmers and consumers.

CIMMYT combines the expertise of economists, agronomists, crop breeders, nutritionists, and gender specialist to create more sustainable, nutritious, and profitable agrifood systems in multiple ways. It works to ensure that cereal crops are grown in the most sustainable way, that the public and private sectors are informed about consumer preferences, and that quality improved seed is available to farmers when they need it. CIMMYT also aims to better understand how cereal based foods are processed and sold to consumers and develop options for promoting the consumption of more nutritious cereal-based foods.

Pasta and other supplies on display in a supermarket, Mexico.

Consumer demand in Mexico

Recently, CIMMYT partnered with the National Institute of Public Health of Mexico (INSP), to compare access to healthy processed cereal-based food in supermarkets, convenience stores, and corner stores for consumers from low- and high-income neighborhoods in Mexico City. Discussions continue to rage about how policies can support more nutritious and healthier diets in Mexico, including the new requirement for food warning labels on the front of packaging.

The study showed that availability of healthy products was scarce in most stores, particularly in convenience stores. Compared to supermarkets in the low-income areas, those in high-income areas exhibited a greater variety of healthy products across all categories. A follow up study is underway that examines the outcomes of the new food label warnings on product availability and health claims.

Other CIMMYT studies have explored the demand by lower- and middle-income consumers in central Mexico for healthy cereal-based foods, including their demand for blue maize tortillas and whole grain bread. These studies help policy makers and non-governmental organizations (NGOs) design strategies on how to increase access and consumption of healthier processed wheat and maize products in fast-evolving food systems.

Farmer Gladys Kurgat prepare wheat chapatti with help from her nephew Emmanuel Kirui for her five sons at home near Belbur, Nakuru, Kenya. (Photo: Peter Lowe/CIMMYT)

Blending wheat products in Kenya

In many parts of the world, the Ukraine-Russia war has intensified the need to change how wheat-based products are formulated. For example, Kenya is a country where wheat consumption has been growing rapidly for a decade, yet imports have comprised 90% of its wheat supplies, which up until recently came from Ukraine and Russia. Wheat flour blending in Kenya is a promising option for reducing wheat imports, generating demand for other, lesser-utilized cereals, such as sorghum, and increasing the nutrient profile of bread products. But wheat blending, despite having been discussed for many years in Kenya, has yet to gain traction.

In response, CIMMYT and the Jomo Kenyatta University of Agriculture and Technology (JKUAT) are exploring the feasibility of reducing wheat imports in Kenya by replacing between 5-20% of wheat flour with flour derived from other cereals, including sorghum and millet. While existing evidence suggests that consumers may except up to 10% blending in cereal flours, the stakes are high for both the wheat industry and government. Robust and context specific evidence is needed on consumers’ willingness to accept blended products in urban Kenya and the economic feasibility of blending from the perspective of millers and processors.

Among the critical questions to be explored by CIMMYT and JKUAT: What flour blends will consumers most likely to accept? What are the potential health benefits from blending with sorghum and millet? Is there enough sorghum and millet readily available to replace the wheat removed from flour? And finally, what is the business case for wheat flour blending?

Cover photo: Wheat harvest near Iztaccíhuatl volcano in Juchitepec, Estado de México. (Photo: CIMMYT/ Peter Lowe)

New endeavor fast-tracks the power of crop diversity for climate resilience

Shelves filled with maize seed samples make up the maize active collection at the germplasm bank at CIMMYT's global headquarters in Texcoco, Mexico. It contains around 28,000 unique samples of maize seed — including more than 24,000 farmer landraces — and related species. (Photo: Xochiquetzal Fonseca/CIMMYT)
Shelves filled with maize seed samples make up the maize active collection at the germplasm bank at CIMMYT’s global headquarters in Texcoco, Mexico. It contains around 28,000 unique samples of maize seed — including more than 24,000 farmer landraces — and related species. (Photo: Xochiquetzal Fonseca/CIMMYT)

A new $25.7 million project, led by the International Maize and Wheat Improvement Center (CIMMYT), a Research Center part of CGIAR, the world’s largest public sector agriculture research partnership, is expanding the use of biodiversity held in the world’s genebanks to develop new climate-smart crop varieties for millions of small-scale farmers worldwide.

As climate change accelerates, agriculture will be increasingly affected by high temperatures, erratic rainfall, drought, flooding and sea-level rise. Looking to the trove of genetic material in genebanks, scientists believe they can enhance the resilience of food production by incorporating this diversity into new crop varieties — overcoming many of the barriers to fighting malnutrition and hunger around the world.

“Better crops can help small-scale farmers produce more food despite the challenges of climate change. Drought-resistant staple crops, such as maize and wheat, that ensure food amid water scarcity, and faster-growing, early-maturing varieties that produce good harvests in erratic growing seasons can make a world of difference for those who depend on agriculture. This is the potential for climate-adaptive breeding that lies untapped in CGIAR’s genebanks,” said Claudia Sadoff, Managing Director, Research Delivery and Impact, and Executive Management Team Convener, CGIAR.

Over five years, the project, supported by the Bill & Melinda Gates Foundation, aims to identify plant accessions in genebanks that contain alleles, or gene variations, responsible for characteristics such as heat, drought or salt tolerance, and to facilitate their use in breeding climate-resilient crop varieties. Entitled Mining useful alleles for climate change adaptation from CGIAR genebanks, the project will enable breeders to more effectively and efficiently use genebank materials to develop climate-smart versions of important food crops, including cassava, maize, sorghum, cowpea and rice.

Wild rice. (Photo: IRRI)
Wild rice. (Photo: IRRI)

The project is a key component of a broader initiative focused on increasing the value and use of CGIAR genebanks for climate resilience. It is one of a series of Innovation Sprints coordinated by the Agriculture Innovation Mission for Climate (AIM4C) initiative, which is led by the United Arab Emirates and the United States.

“Breeding new resilient crop varieties quickly, economically and with greater precision will be critical to ensure small-scale farmers can adapt to climate change,” said Enock Chikava, interim Director of Agricultural Development at the Bill & Melinda Gates Foundation. “This initiative will contribute to a more promising and sustainable future for the hundreds of millions of Africans who depend on farming to support their families.”

Over the past 40 years, CGIAR Centers have built up the largest and most frequently accessed network of genebanks in the world. The network conserves and makes nearly three-quarters of a million crop accessions available to scientists and governments. CGIAR genebanks hold around 10% of the world’s plant germplasm in trust for humanity, but account for about 94% of the germplasm distributed under the International Treaty on Plant Genetic Resources for Food and Agriculture, which ensures crop breeders globally have access to the fundamental building blocks of new varieties.

“This research to develop climate-smart crop varieties, when scaled, is key to ensuring that those hardest hit by climate shocks have access to affordable staple foods,” said Jeffrey Rosichan, Director of the Crops of the Future Collaborative of the Foundation for Food & Agriculture Research (FFAR). “Further, this initiative benefits US and world agriculture by increasing genetic diversity and providing tools for growers to more rapidly adapt to climate change.”

“We will implement, for the first time, a scalable strategy to identify valuable variations hidden in our genebanks, and through breeding, deploy these to farmers who urgently need solutions to address the threat of climate change,” said Sarah Hearne, CIMMYT principal scientist and leader of the project.

Building on ten years of support to CIMMYT from the Mexican government, CGIAR Trust Fund contributors and the United Kingdom’s Biotechnology and Biological Sciences Research Council (BBSRC), the project combines the use of cutting-edge technologies and approaches, high-performance computing, GIS mapping, and new plant breeding methods, to identify and use accessions with high value for climate-adaptive breeding of varieties needed by farmers and consumers.

INTERVIEW OPPORTUNITIES:

Sarah Hearne – Principal Scientist, International Maize and Wheat Improvement Center (CIMMYT)

FOR MORE INFORMATION, OR TO ARRANGE INTERVIEWS, CONTACT THE MEDIA TEAM:

Marcia MacNeil, Head of Communications, CIMMYT. m.macneil@cgiar.org, +52 5558042004 ext. 2070.

Rodrigo Ordóñez, Communications Manager, CIMMYT. r.ordonez@cgiar.org, +52 5558042004 ext. 1167.