Natural Sciences
Emergence of a Viral Disease Epidemic of Sweet potato in Eastern Africa is Imminent – Plant virologists warn
When COVID-19 emerged in 2019, it first remained temporarily localized as an epidemic in Huan China until it broke Chinese national and Asian continental borders attaining a global pandemic status. With COVID-19 and other epidemics and/or pandemics of humans and livestock, it is easier to explain the obvious impact on humans and/or livestock.
What about virus epidemics and pandemics that affect plants?
Virus epidemics and pandemics that affect plants cause significant disruptions in food production. In fact, the emergence and re-emergence of extremely dangerous plant viruses is the major pain to the 21st century agriculture and sustainable food production.
Viral diseases of plants lead to complex outcomes of food shortages, economic meltdown and loss of lives especially when the affected crop plants are central to the economics and livelihoods of the people. Think of what would happen if an epidemic caused significant effect or eliminated crops like maize, banana, cassava or sweetpotato from sub-Saharan Africa.
Most viruses affecting livestock and humans are spread and transmitted by means of physical contact between hosts. Furthermore, human and livestock hosts are mobile. On the other hand, plants do not move and must thus depend on other agents (vectors) for the spread of viruses between hosts. Consequently, over 98% of plant viruses are transmitted by vectors. These vectors may include arthropods (especially insects), nematodes, fungi, and parasitic plants. In plants, a virus disease epidemic becomes optimized by the ability of vectors facilitating fast spread of the virus in an agro-ecosystem.
New study predicts emergence of disease epidemic in sweetpotato
A new study led by Prof. Arthur Tugume at the Department of Plant Sciences, Microbiology and Biotechnology in the College of Natural Sciences at Makerere University predicts potential of emergence of a new disease epidemic in sweetpotato.
The study recognizes that by default, viruses are not constrained to perpetually occupy a single ecological niche. This is because viruses have inherent genetic and evolutionary abilities that enable their acquisition of better fitness to always expand their host and geographical ranges.
While viruses enjoy such fitness advantages in nature, the current study points out unique examples where some viruses in eastern Africa behave awkwardly. These viruses first hid under the guise of being less important and seemingly of no impact in cropping systems, and all of a sudden hell broke loose and the entire farming system was caught unaware.
The study titled; “Endemism and reemergence potential of the ipomovirus Sweetpotato mild mottle virus (family Potyviridae) in Eastern Africa: half a century of mystery” shows that a virus, named Sweetpotato mild mottle virus (SPMMV) was first detected in eastern Africa in the 1970’s. SPMMV is currently the third most prevalent virus of sweepotato in the region and is most destructive in mixed infections with other viruses. Very strangely, SPMMV is geographically restricted to eastern Africa (confirmed only in Uganda, Kenya and Tanzania). This sharply contradicts other known sweetpotato viruses that occur globally wherever sweetpotato is grown.
According to Dr. Deusdedith Mbanzibwa a co-author and Head of Disease Control Unit at Tanzanian Agricultural Research Institute, “it is a half-century-old mystery how SPMMV remains localized in East Africa while other viruses on sweetpotato show a global incidence.” Dr. Mbanzibwa adds, “it is important we generate basic information on this virus as soon as possible such that immediately an epidemic explodes we can counter-it based on the information we have as opposed to being caught unaware of the destructive effects of an epidemic.”
Why should we be concerned about outbreak of an epidemic on sweetpotato?
Plant disease epidemics cause a breakdown in food production and availability in communities that depend on the affected plants as food staples. If sweetpotato production breaks down, it directly translates into limited food supplies in local communities that depend on it for food.
According to Dr. Titus Alicai, a senior virologist and co-author based at the National Crops Resources Research Institute (NaCRRI), Namulonge Uganda, “between the 1980’s-1990’s, a devastating viral pandemic (cassava mosaic disease, CMD) destroyed cassava cropping systems in eastern Africa. As a result, dozens of lives were lost because many communities solely depended on cassava for food and income”. Although these viruses had been detected in the region as early as 1800’s, it was not until the 1980s that destructive effects of the disease became apparent.
Dr. Alicai adds that, “when cassava got destroyed by CMD, sweetpotato became an immediate alternative to millions of hungry people, but now sweetpotato is also burdened with diseases arising from viruses.” Despite heavy investments in disease control in cassava, the CMD pandemic is not completely controlled.
Why is eastern Africa important with respect to emergence of plant viruses?
According to this study, SPMMV is not the first unique virus to emerge or reemerge in eastern Africa. An earlier study by Prof. Tugume and colleagues published in 2010 in Molecular Ecology showed that East Africa is a hotspot for the evolutionary diversification of yet another virus in sweetpotato, named Sweetpotato feathery mottle virus (SPFMV).
Many studies show this region as the home of epidemics in rice caused by Rice yellow mottle virus (RYMV). Highly lethal strains of Cassava mosaic geminiviruses (CMGs) causing CMD initiated this epidemic from eastern Africa. Unique strains of Sweetpotato chlorotic stunt virus (SPCSV) are incident in eastern Africa. SPCSV is unique because it almost indiscriminately enhances the viral concentrations of other co-infecting viruses in sweetpotato. The list of damaging plant viruses or their strains that have emerged from eastern African region is long and cannot not be exhausted here.
Biologists studying diversity of plants and animals have also coded eastern Africa as a home of the “hottest hotspot of biodiversity” of endemic land plants and animals located in Eastern Arc Mountains of Kenya and Tanzania. The features of eastern African ecosystem that incite virus epidemics in plants are not fully known. However, it is suspected that the microclimatic changes as modulated by the Indian Ocean dipole could be one of the drivers of virus emergence and reemergence in the region.
Emergence of SPMMV in sweetpotato closely resemble that of viruses in cassava
The current study specifically compared SPMMV with two viruses infecting cassava: cassava brown streak virus, and Ugandan cassava brown streak virus, collectively called cassava brown streak ipomoviruses (CBSIs).
CBSIs first appeared in the 1930’s in coastal east Africa but went completely silent for about 70 years and then suddenly re-emerged in late 1990’s-mid 2000’s to what is today the single largest threat to cassava production in Africa. CBSIs cause a disease called “cassava brown streak disease” (CBSD). Between 1930’s-1990’s, the CBSIs were able to “amass ability” to cause untold suffering of cassava cropping from 2000’s to-date.
Similarly, since the 1970’s when SPMMV was first reported in the region, the virus has been “amassing an ability” to cause more disease in sweetpotato. This is implied directly by evidence of positive selection found in its genes. Positive selection refers to “survival for the fittest” in Charles Darwin’s terms to mean that, individual virus particles in the SPMMV population are becoming more and more highly efficient in causing disease. Today, half a century later, one can argue that it is about time that the SPMMV will incite a new disease.
Note that both SPMMV and CBSIs belong to the same taxonomic grouping of plant viruses in a genus called “Ipomovirus”, and family called “Potyviridae” which is the largest family of plant viruses with RNA genomes. Hence, similarities in the disease spread between SPMMV and CBSIs are not unexpected.
Expert guide to sweetpotato virology research for preparations against the epidemic
“If we can generate advance basic scientific information concerning how the SPMMV infects sweetpotato plants, how it is transmitted by vectors between plants, and circumstances fostering field spread of the virus, we will be better prepared to handle an epidemic that may arise from the virus,” Prof. Tugume states.
He adds: “we should be able to undertake these studies quickly because SPMMV is naturally incident on sweetpotatoes in Uganda, Kenya and Tanzania in levels causing less damage on its own at the moment, although this damage escalates when the virus occurs in multiple infections.”
The co-authors highlight serious research gaps for critical research investment in sweetpotato virology. Vector transmission is such an important aspect of virus disease epidemics of plants. Therefore, this study has proposed three possible explanations to account for the virus-vector and virus-host relationships of SPMMV. These are called hypothesis #1, #2, and #3, built in a fashion that allows experimentation to prove them right or wrong:
- Hypothesis #1: “SPMMV is opportunistically aphid-transmitted with potyvirus SPFMV as a helper virus.” This hypothesis postulates that SPMMV is transmitted by “chance” by a group of insects called aphids but this happens when SPMMV co-infects sweetpotatoes with another virus, SPFMV that is transmitted efficiently by aphids.
- Hypothesis #2: “Vector-mediated transmission of SPMMV is modulated by synergism with SPCSV.” Under this hypothesis, the concentrations of SPMMV in plant tissues increases when it co-infects with another virus, SPCSV, and this increases chances of SPMMV being picked by insects for transmission to other plants.
- Hypothesis #3: “SPMMV tropism and histo-localization changes upon co-infection with SPCSV.” How much viral concentration is found in different plant tissues can change depending on which tissues that are preferred by the virus. Certain plant viruses prefer to stay and multiply from certain tissues than others.
Dr. Alicai said, “If we can determine vector transmission dynamics including the actual vector(s) transmitting SPMMV, which plant tissues the virus prefers for its multiplication, and generate many complete sequences of SPMMV genomes, we will be better prepared for epidemics arising from the emergence of SPMMV”.
Sweetpotato is a vegetatively propagated plant in which the top-most 15-40cm part of the plant is used for initiating the new crop, a practice that is the main route of accelerated of virus spread in the cropping system. Also, insects especially aphids and whiteflies are the major vectors transmitting viruses in sweetpotato. The research gaps highlighted with respect to SPMMV require urgent attention for advance preparation in case an epidemic breaks loose on the sweetpotato cropping system.
This study has been published by the American Phytopathological Society (APS) in an open access journal, “Phytobiomes Journal”, and is freely accessible on https://apsjournals.apsnet.org/doi/10.1094/PBIOMES-05-22-0031-RVW
For more details, please contact;
Prof. Arthur Tugume
Lead Scientist
Department of Plant Sciences, Microbiology and Biotechnology
College of Natural Sciences (CoNAS)
Makerere University
Email: arthur.tugume@mak.ac.ug
Tel: +256772514841
Dr. Deusdedith Mbanzibwa
Tanzania Agricultural Research Institute (TARI),
Biosciences Centre, Dodoma, Tanzania
Email: d.mbanzibwa@yahoo.co.uk
Email: Tel: +255755881758
Dr. Titus Alicai
Root Crops Research Program
National Crops Resources Research Institute (NaCRRI)
National Agricultural Research Organization (NARO)
Email: talicai@hotmail.com
Tel: +256772970585
Hasifa Kabejja
Principal Communication Officer
College of Natural Sciences
Makerere University
Email: pr.cns@mak.ac.ug
Tel: +256774904211
A nationwide study led by Prof. Fredrick Jones Muyodi has revealed multiple factors contributing to poor performance in Biology in Uganda’s national examinations, with the Northern and Eastern regions being the most affected. The study highlights significant gaps in practical learning, digital access, and teaching methods, underscoring an urgent need for educational reforms.
Factors that prompted the study
Launched in 2023, the study was undertaken in response to growing concerns over the long-term decline in Biology performance in the Uganda Advanced Certificate of Education (UACE) examinations.
An earlier analysis conducted by the School of Biosciences at the College of Natural Sciences (CONAS), Makerere University, revealed that since the late 1970s, performance in Biology at the UACE level had consistently fallen below expectations. Over time, the situation worsened, as reflected in the annual examination results released by the Uganda National Examinations Board (UNEB).
In 2018, for example, only one student out of 13,061 candidates scored an “A” in Biology, while just 38% scored at least an “E”. Although 2019 saw a slight increase, overall results remained far below national standards, a trend that persisted into the post-COVID-19 era.
Poor performance in Biology has serious implications, as the subject underpins 70–100% of academic and research work across the College of Natural Sciences, the College of Health Sciences (CHS), the College of Veterinary Medicine, Animal Resources and Biosecurity (COVAB), and the College of Agricultural and Environmental Sciences (CAES). Weak results affect student progression and threaten Uganda’s life sciences ecosystem, impacting key sectors and government ministries.
In response, Makerere University, through the School of Biosciences at CoNAS in collaboration with the College of Education and External Studies (CEES), launched a study to investigate and address the problem. Funded by the University’s Research and Innovations Fund (MakRIF), the study examined teacher qualifications, curriculum depth, laboratory infrastructure, and student attitudes towards the subject.
Dissemination of the Study Findings
The project team presented their findings to stakeholders at a workshop held on 19th March 2026 at Makerere University. The event was attended by the Commissioner for Secondary Education at the Ministry of Education and Sports, Mrs. Juliet Atuhairwe Muzoora, alongside senior leaders from Makerere University.
Factors undermining performance in Biology
Guided by the socio-ecological model, the project team interviewed 5,000 participants, including teachers, students, parents, school administrators, and curriculum experts, across 100 districts nationwide. Key challenges identified include:
- Inadequate practical learning – Many schools lack functional laboratories, leaving students unable to connect concepts to real-life applications.
- Limited digital access – Poor internet connectivity and lack of digital learning tools hinder modern science education.
- Ineffective teaching methods – Overreliance on lectures weakens conceptual understanding.
- Gender disparities – Lower confidence and limited participation of female students in practical work.
- Negative community perceptions – Low motivation resulting from societal attitudes toward Biology.
Recommendations for Improvement
Despite a notable improvement in the 2025 Uganda Advanced Certificate of Education (UACE) examinations, the project team recommends a series of strategic interventions:
- Expansion of practical learning through fieldwork and project-based activities, with government support to fund hands-on initiatives.
- Investing in digital infrastructure, prioritizing internet access and online resources for underserved schools.
- Upgrading laboratories with modern equipment and increasing technical support to create conducive learning environments.
- Strengthening teacher development through continuous professional development programs promoting inquiry-based teaching.
- Aligning curriculum and assessments by fostering collaboration between the NCDC and UNEB to ensure coherence between instruction and exams.
- Enhancing student engagement through mentorship programs, academic clubs, and career guidance initiatives.
- Promoting gender equity in science education through targeted interventions.
The project team emphasizes that these interventions are essential for developing a generation of Biology students well-equipped to meet the demands of higher education and scientific careers. They advocate for coordinated action among government agencies, schools, and communities to reverse current trends and strengthen science education nationwide.
To further support efforts to improve performance in Biology, the team is seeking additional funding to pilot interventions in the most affected regions, particularly Northern and Eastern Uganda, and to establish a monitoring and evaluation framework to track progress and ensure lasting impact.
Remarks by the Commissioner for Secondary Education
Addressing participants at the dissemination workshop, the Commissioner for Secondary Education at the Ministry of Education and Sports, Mrs. Juliet Atuhairwe Muzoora, commended the research team for the initiative, highlighting its potential to improve performance in Biology. She called for the expansion of the initiative to cover other science disciplines.
Mrs. Muzoora expressed concern over the increasing monetization of academic activities, particularly seminars, warning that such practices threaten the core objectives of the programme. She further cautioned against the circulation of inappropriate and substandard pamphlets, noting that these undermine the quality of education.
She appealed to Makerere University to expand its school outreach programmes to reach all regions of the country, including the underserved and hard-to-reach areas.
Emphasizing the importance of the study, Mrs. Muzoora committed to arrange a meeting for the team to present their findings to the Ministry’s Senior Management team. “The findings of the study will inform policy adjustments that will enable us to improve performance in the sciences,” she noted.
Re-aligning A’ Level Subject Combinations and Leveraging Local Resources for Experiential Learning
In his presentation, Prof. Winston Tumps Ireeta, Deputy Vice Chancellor in charge Finance and Administration (DVCFA) and Principal of the College of Natural Sciences (CoNAS), emphasized the importance of targeted interventions in improving student performance, particularly in Biology and other science disciplines. Drawing attention to the medical field, he stressed the urgent need to review and realign Advanced Level subject combinations to correspond with the evolving requirements of various professional disciplines.
Drawing on insights from secondary school teachers at the CoNAS Science exhibition held from 5th–7th March 2026, Prof. Ireeta expressed concern over the limited adoption of experiential learning. He implored school administrators to leverage locally available materials to enhance hands-on learning. He expressed gratitude to the Government of Uganda for its continued support toward academic and research programmes at the University.
Re-aligning the Competence-based Curriculum
Prof. Anthony Muwagga Mugagga, the Principal of the College of Education and External Studies at Makerere University, highlighted the need to clearly define and systematically map out the modes of instruction under the Competence-based Curriculum. He emphasized that clarity in instructional approaches is essential for ensuring consistency, effectiveness, and measurable learning outcomes across institutions. He appreciated the MakRIF for the financial and technical support extended to the project, noting that such partnerships are instrumental in driving educational innovation and reform.
Remarks from the Chair, MakRIF
The Chairperson of the MakRIF, Prof. Fred Masagazi Masaazi, underscored the significance and far-reaching impact of the initiative, noting that the project scored 92% in the vetting process. He informed participants that the MakRIF remains committed to supporting ideas and initiatives that have a tangible and measurable effect on student learning outcomes.
“The focus on enhancing the teaching and learning of Biology is both timely and essential. Strengthening Biology education not only equips students with critical scientific knowledge but also lays a solid foundation for the country’s broader educational and developmental objectives. By prioritizing initiatives that nurture scientific understanding, the MakRIF seeks to contribute meaningfully to shaping a generation of learners capable of driving innovation, research, and sustainable development.”
Remarks by the representative from UNEB
In response to concerns regarding the gaps in curriculum development and assessment processes, Dr. Jimmy Okello reassured participants that the Uganda National Examinations Board (UNEB) works closely with the National Curriculum Development Centre (NCDC) to uphold quality across all stages of curriculum design and assessment.
He, however, acknowledged the need to further align curriculum with assessment frameworks for better learning outcomes. Dr. Okello stressed the importance of continuous professional development and retooling to enable teachers to respond effectively to evolving educational demands. He highlighted the challenge of sustaining quality education amid rising student enrolment, emphasizing the need for deliberate measures to ensure standards are maintained.
The need to enhance experiential learning and the mismatch between student enrolment and the learning infrastructure
Drawing on his experiences from visits to various schools, Prof. Arthur Tugume, Dean of the School of Biosciences, expressed concern over the rapidly increasing number of students enrolling in science disciplines. “This surge has significantly outpaced the available support infrastructure and human resources, ultimately compromising the quality of teaching and learning,” he noted. He highlighted the importance of formalizing seminars as a core component of the learning process and advocated for closer collaboration with research institutions to provide students with opportunities for hands-on experiences and real-world exposure. Additionally, he pointed out a critical mismatch between the current course content and the requirements of a competence-based curriculum, stressing the need for alignment.
In response to the presentations, Dr. Godfrey Kawooya Kubiriza, Head of the Department of Zoology, Entomology, and Fisheries Sciences at CoNAS, Makerere University, called for a streamlined assessment process to ensure fairness for all students. He expressed concern over disproportionate grading practices, noting that allocating 40% of the total marks to a single question disadvantages students.
The workshop was moderated by Dr. Edward Kansiime (Co-PI) and member of staff in the Department of Science, Technology and Vocational Education at CEES, Makerere University.
The Project Team
- Prof. Fredrick Jones Muyodi – PI (Department of Zoology, Entomology and Fisheries Sciences, CoNAS, Makerere University)
- Assoc. Prof. Josephine Esaete – Co-PI (Department of Science, Technology and Vocational Education, CEES, Makerere University)
- Assoc. Prof. Arthur Tugume (Dean, School of Biosciences, Makerere University)
- Dr. Godfrey Kubiriza (Head, Department of Zoology, Entomology and Fisheries Sciences, CoNAS, Makerere University)
- Dr. John Joseph Kisakye (Department of Zoology, Entomology and Fisheries Sciences, CoNAS, Makerere University)
- Assoc. Prof. Eric Sande (Department of Zoology, Entomology and Fisheries Sciences, CoNAS, Makerere University)
- Dr. Edward Kansiime – Co-PI, (Department of Science, Technology and Vocational Education, CEES, Makerere University)
- Dr. John Sentongo (Department of Science, Technology and Vocational Education, CEES, Makerere University)
- Dr. Levi Masereka (Department of Science, Technology and Vocational Education, CEES, Makerere University)
- Dr. Reymick Oketch (Department of Science, Technology and Vocational Education, CEES, Makerere University)
- Dr. Joel Isanga (Department of Biochemistry and Systems Biology, CoNAS, Makerere University)
- Dr. Rosemary Nalwanga (Department of Zoology, Entomology and Fisheries Sciences, CoNAS, Makerere University)
- Ms. Caroline Nakafeero (Department of Zoology, Entomology and Fisheries Sciences, CoNAS, Makerere University)
- Mr. Ambrose (School of Public Health)
The College of Natural Sciences (CoNAS) at Makerere University successfully held its first Annual Science Exhibition from Thursday, 5th March to Saturday, 7th March 2026, at the Science Quadrangle within the college premises. The three-day event, officially opened by the Director of Research, Innovation, and Partnerships (DRIP) at Makerere University, Prof. Robert Wamala, attracted students, researchers, educators, and members of the public eager to explore groundbreaking scientific research and innovative solutions emerging from the institution.
Held under the theme- Empowering Competent Learners for Innovation and Sustainable Development – the exhibition provided a platform for showcasing research breakthroughs and innovations developed within the college. The event allowed participants to interact with scientists, experience live demonstrations, and gain insight into how scientific discoveries are translated into solutions for real-world challenges.
Showcasing Research and Innovation
A key highlight of the exhibition was the presentation of cutting-edge research and innovations from the college’s eight departments: Department of Chemistry, Department of Geology and Petroleum Studies, Department of Mathematics, Department of Physics, Department of Biochemistry and Systems Biology, Department of Plant Sciences, Microbiology and Biotechnology, Department of Zoology, Entomology and Fisheries Sciences, and the Department of Exercise and Sports Science.
Through interactive displays and presentations, researchers and students shared projects that demonstrate the practical application of science in addressing societal needs. Many of these innovations highlighted the role of scientific knowledge in supporting industry, improving public health, strengthening environmental conservation, and contributing to economic development.
Visitors engaged directly with researchers and innovators, learning about the scientific processes behind the projects and the potential impact of the work being carried out at the university. The exhibition also emphasized the importance of interdisciplinary collaboration in the natural sciences, showing how combined expertise can generate new approaches to complex challenges.
Projects Showcased
In the fisheries and aquatic sciences field, the exhibition featured products and initiatives from the NutriFish and INNOECOFOOD projects, alongside research in algae cultivation aimed at advancing aquaculture and improving water purification. Aquaponics systems, ornamental fish projects, and initiatives focused on value addition within the fisheries sector were also presented.
Within the biological and life sciences, notable projects included research in medical entomology, applications of FTIR spectrometry, and innovations in plant tissue culture and mushroom cultivation technologies. The Makerere University Herbarium was also featured, along with studies demonstrating the use of plant extracts to inhibit the growth of aflatoxin-producing fungi.
The agricultural biotechnology and environmental sustainability section highlighted the development of biofertilizers and biopesticides, as well as innovations in biogas production, organic tea cultivation, and the formulation of shampoos and hair-growth products derived from natural sources.
In the field of physical sciences and technological innovation, researchers presented solar water purification technologies, the development of an energy geoscience model, and interdisciplinary applications linking mathematics, data science, finance, and biology.
Traditional knowledge and community-centered innovations were also represented through projects in traditional medicine and cultural astronomy. Practical sustainability solutions were showcased as well, including the development of affordable solar cookers designed for use in educational institutions.
Inspiring Future Scientists through Career Guidance
Another key component of the exhibition was career guidance for secondary school students studying sciences. Nine secondary schools took part in the activity, including Holy Cross Lake View S.S.S (Jinja), Namilyango College, Namakwa S.S, Mbogo High School, Kawanda S.S, Nabisunsa Girls Secondary School, Mariam High School, Bukasa High School, and Samson Memorial High School.
Through guided tours, mentorship sessions, and interactive discussions, the students engaged with scientists and university lecturers who provided insights into academic pathways and career prospects in the sciences. The sessions were designed to inspire young learners and help them understand the relevance of science in everyday life and national development.
Science teachers at the event noted that such initiatives are essential in motivating students to pursue careers in science, technology, engineering, and mathematics (STEM). “By witnessing real-world applications of research and innovation, the students are able to see how scientific ideas can evolve into practical solutions that benefit society.”
Remarks by the Director of Research, Innovation and Partnerships at Makerere
In his remarks, Prof. Robert Wamala emphasized the critical role of scientific research and innovation in driving sustainable development and national transformation. He commended the College of Natural Sciences for creating a platform that not only showcases scientific achievements but also inspires the next generation of scientists.
“The inaugural science exhibition reflects Makerere University’s continued commitment to promoting research, innovation, and academic excellence. By creating opportunities for collaboration between students, researchers, educators, and the wider community, the event strengthens the university’s role as a hub for scientific discovery and knowledge dissemination. I commend the leadership of CoNAS, the Organizing Committee, the researchers and students who have prepared the exhibits, and all partners who have supported the initiative. Your dedication to promoting scientific engagement and community outreach is highly appreciated.”
Remarks by the Principal of CoNAS
Addressing the participants, the Acting Deputy Vice Chancellor in charge of Finance and Administration, also Principal of CoNAS at Makerere University, Prof. Winston Tumps Ireeta, underscored the significance of the event in fostering scientific innovation and equipping students with the guidance needed to make well informed career decisions. “The idea to launch the Annual Science Exhibition was conceived in response to the growing demand from schools nationwide for structured career guidance opportunities for their students. Through this exhibition, we aim not only to ignite curiosity and creativity in young minds but also to provide them with practical insights and exposure that will empower them to make informed and confident choices about their future careers in science and related fields.”
Appreciation from the Organizing Committee
On behalf of the Organizing Committee, Dr. Godfrey Kawooya Kubiriza, Head of the Department of Zoology, Entomology, and Fisheries Sciences at CoNAS, expressed gratitude to the College and University Management for supporting the initiative. He noted that the initiative would significantly complement ongoing efforts to dispel misconceptions surrounding the Bachelor of Science programme, enhance performance in Biology, and foster scientific discovery.
Dr. Kubiriza expressed optimism that the exhibition would become an annual event, offering a broader platform for scientists and students to showcase their work and inspire innovation across Uganda and beyond.
He expressed gratitude to Prof. Juma Kasozi, Deputy Principal of CoNAS, for his steadfast guidance, and to the members of the organizing committee for their dedication in making the event a success.
Participants praised the event for its educational value, interactive nature, and its contribution to building a stronger culture of scientific curiosity and innovation among young learners and researchers.
The event was moderated by Mr. David Kisitu, IT Officer at CoNAS, in liaison with the Dr Godfrey Kawooya Kubiriza, Chair of the Organizing Committee, and Dr Joel Isanga, Lecturer in the Department of Biochemistry and Systems Biology.
Natural Sciences
Makerere University Researchers Awarded UCIF Grant to Tackle Maize Contamination with Innovative Plant-Based Fungicide
In a significant stride towards ensuring food safety and agricultural resilience, a team of researchers from Makerere University has been awarded the prestigious Uganda Climate Innovation Fund (UCIF) to support the development of a groundbreaking solution to maize contamination.
Maize, a staple food for millions of Ugandans, has long been threatened by Aspergillus fungi, which produce aflatoxins, highly toxic compounds that pose serious risks to human health, livestock, and the nation’s agricultural productivity. Recognizing the urgency of this challenge, the research team from the Department of Plant Sciences, Microbiology, and Biotechnology at the College of Natural Sciences (CoNAS), Makerere University, is pioneering the development of a plant-based organic fungicide aimed at significantly reducing Aspergillus growth and aflatoxin contamination in maize.
The initiative is spearheaded by Dr. Abubakar Sadik Mustafa (Principal Investigator), with major contributions from co-innovators Dr. Jamilu E. Ssenku, Dr. Patience Tugume, Mr. Frank Kalungi, and Mr. John Okello. The team officially received the UCIF award on 26 February 2026 at an event held at Kampala Serena Hotel.
“This recognition underscores the importance of locally-driven scientific innovation in safeguarding our food systems,” said Dr. Mustafa upon receiving the award. “Our goal is to deliver an environmentally friendly solution that not only protects maize but also contributes to public health and supports sustainable livelihoods for smallholder farmers.”
The UCIF grant, funded by the UK Foreign, Commonwealth & Development Office (FCDO) under the Climate Smart Jobs initiative, is implemented by Palladium in collaboration with Stanbic Bank, Swissconnect, and CABI. The programme seeks to advance solutions that address the dual challenges of climate change and economic development by supporting innovations that foster sustainable agricultural practices, reduce environmental risks, and create climate-smart employment opportunities.
This breakthrough aligns closely with the global Sustainable Development Goals (SDGs), particularly those targeting good health and well-being (SDG 3), zero hunger (SDG 2), and climate action (SDG 13). By developing a natural, plant-based fungicide, the Makerere University team hopes to offer a scalable solution that mitigates food contamination risks while promoting environmentally sustainable farming practices across Uganda.
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