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24 April 2025 | Story Martinette Brits | Photo Barend Nagel
Mainstream Final Project
Five postgraduate students from Ethiopia and Togo with Prof Corli Witthuhn, coordinator of the MAINSTREAM project, during their academic exchange visit to the University of the Free State. From the left: Prudence Bilabina, Ame Houngo, Prof Corli Witthuhn, Gemedo Shengu, Fanny Sibabi, and Debela Bedada.

The University of the Free State (UFS) has welcomed a cohort of international students as part of the Mobility 4 Agricultural International Networks Supporting Thematic Resilience and Enhancing Adaptation and Mitigation (MAINSTREAM) project, a significant European Union-funded initiative aimed at boosting agricultural education and research across the African continent.

A group of postgraduate students from Togo and Ethiopia have recently joined the University of the Free State as part of the MAINSTREAM project. “Two doctoral students from Togo – Ame Houngo and Fanny Sibabi – are based in the Department of Sustainable Food Systems and Development and will be supervised by Dr Alba du Toit and Prof Maryke Labuschagne,” says Prof Corli Witthuhn from the Department of Sustainable Food Systems and Development at the UFS, who serves as the coordinator of the MAINSTREAM project. Master’s student Prudence Bilabina, also from Togo, is hosted by the Department of Agricultural Economics under the supervision of Prof Henry Jordaan.

From Ethiopia, doctoral student Debela Bedada and master’s student Gemedo Shengu are both pursuing their research in the Department of Agricultural Economics, supervised by Prof Nicky Matthews and Dr Janus Henning respectively.

A Ugandan student will soon join them on 22 April for a three-month traineeship. “He is an undergraduate Agriculture student who will register for a service-learning module at the UFS and spend the three months working on a farm,” explains Prof Witthuhn. The student hails from the Mountains of the Moon University in Uganda.

By June 2025, the university anticipates the arrival of four more students from Uganda – three at master’s level and one traineeship participant – bringing the total number of MAINSTREAM students hosted by UFS this year to ten.

 

Building a climate-resilient future through agricultural education

The MAINSTREAM project aims to foster education and skills improvement in agricultural knowledge systems, with a strong focus on climate change resilience. According to Prof Witthuhn, the project “strives to influence the common agenda for addressing education and skills improvement … targeting transformations with the tertiary agricultural education community, policy, and industry actors”.

An important aspect of the initiative is its emphasis on inclusion, particularly regarding African women who remain underrepresented in higher education agricultural programmes. “Mobility schemes will also be used to break cross-African gendered perceptions of agriculture … and to further provide for a gender-sensitive learning environment and institutional culture,” Prof Witthuhn notes.

The UFS’ participation forms part of a larger network of partner institutions across Africa and Europe, including Arsi University (Ethiopia), the University of Kara (Togo), the Mountains of the Moon University (Uganda), Jaramogi Oginga Odinga University of Science and Technology (JOOUST, Kenya), the University of Sine Saloum El Hadji Ibrahima Niasse (USSEIN, Senegal), and the Weihenstephan-Triesdorf University of Applied Science (Germany).

 

Strengthening research, networks, and collaboration at the UFS

This four-year project, running from 2024 to 2027, will host two cohorts of students. “We are a partner in the project that will run over four years … one of the UFS master’s students, Rinus Behrens from the Department of Sustainable Food Systems and Development, is currently spending four months at JOOUST in Kenya as part of the programme,” adds Prof Witthuhn.

The presence of these students at the UFS marks a pivotal moment for both the institution and its international counterparts. “For the institution, it creates the opportunity for new networks, new research opportunities, internationalisation of our research endeavour, and increased research outputs,” she says.

During their stay, master’s and doctoral students will engage in academic research aligned with their fields of study, while traineeship students will gain hands-on agricultural experience on farms in the Bloemfontein area.

Bedada says the programme is already making a meaningful impact on his academic journey. “I am analysing the impact of agricultural mechanisation on food security and production. It is a big opportunity, because it gives me a chance to expand my knowledge and skills, and to develop my research work to international level.”

Similarly, Houngo says the experience so far has been enriching. “I have already learned a lot, and I hope to replicate the experience in my hometown,” he shares.

Behind the scenes, UFS staff and departments are instrumental in ensuring the programme’s success. “They provide host departments, academic leadership, and supervision to the six students,” says Prof Witthuhn, emphasising the collaborative effort required to support this international initiative.

News Archive

From wheat protein to perfect pizza
2017-09-26

Description: Phd Read more Tags: Barend Wentzel, Department of Plant Sciences, plant breeding, proteins, Agricultural Research Council 

Barend Wentzel received his PhD at the Department
of Plant Sciences during the university’s
winter graduation ceremony.
He is pictured here with Prof Maryke Labuschagne,
professor in Plant Breeding at the UFS.
Photo: Charl Devenish

Barend Wentzel, an alumnus of the University of the Free State’s Department of Plant Sciences, is passionate about plant breeding. 

He literally eats and lives wheat proteins. In 1989 he initiated a breeding programme on arum lilies. “This breeding programme is at an advanced stage,” he said. Besides reading, playing the piano and accordion, Barend, due to the nature of his research at the Agricultural Research Council, also experiments with different types of ciabatta recipes made from sour dough. “I usually make my own pizza on Saturday evenings,” he said.

He is working at the Agricultural Research Council – Small Grain (ARC-SG) at the Wheat Quality Laboratory where he established a Cereal Chemistry Laboratory.

Complexity of flour quality

He explains that the focus of his research is on wheat protein composition. “The research conducted for my PhD study explains the complexity of flour quality to a certain extent, and it further emphasises the influence of the environment and genetic composition on selected baking characteristics. 

“Wheat protein can be divided into different types of protein fractions. These protein fractions contribute differently to dough properties and baking quality and the expression is affected by different components in the environment, including locality, rainfall and temperature. 

“Protein content alone does, however, not explain the variation in baking quality parameters, such as mixing time, dough strength and extensibility, and loaf volume.

“Several methods can be applied to quantify the different protein fractions. I am using high-performance liquid-chromatography (HPLC). The procedure entails the separation of a wheat protein extract through a column with chromatographic packing material. The injected sample is pumped through the column (known as the stationary phase) with a solvent (known as the mobile phase). The specific procedure, size-exclusion high-performance liquid-chromatography (SE-HPLC), is also used by the university’s Department of Plant Breeding, as well as in several international Cereal Chemistry Laboratories,” said Barend.

Dough strength and to loaf volume
“One of the highlights from the study was the positive contribution of the albumin and globulin protein fractions to dough strength and to loaf volume. The findings were wheat cultivar specific and the growing environment influenced the expression. The contribution of these protein fractions was much larger than previously reported for South African wheat cultivars,” said Barend. 
“Previous reports indicated that these protein fractions had a non-specific contribution to the gluten network during dough formation. The findings from this PhD justify further research on albumins and globulin proteins.” 

The Cereal Chemistry Laboratory at ARC-SG is involved in postgraduate student training under Barend’s guidance. He serves as co-promoter for several MSc and PhD students. He is also a collaborator on an international project with the International Maize and Wheat Improvement Centre (CIMMYT) in Mexico. Barend is furthermore working on improving wheat quality for processing and health purposes as a member of the expert working group of the International Wheat Initiative. 

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