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02 January 2025
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Story Gerda-Marie van Rooyen
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Photo Supplied
Leading the research in South Africa is Prof Linus Franke from the Department of Soil, Crop and Climate Sciences.
Scientists are actively pursuing the successful breeding of diploid hybrid potatoes from inbred lines. This is expected to revolutionise potato breeding as it holds the key to rapid genetic progress. It will introduce new varieties for commercialisation through seed. Currently, existing potato variants have a gene that renders self-pollinated seeds infertile.
Prof Linus Franke, an academic in the Department of Soil, Crop and Climate Sciences at the UFS, is leading the research in South Africa. “This technology allows the production of genetically uniform potato seed that is easy to transport and largely disease-free.” He says this differs from conventional breeding whereby only vegetative propagation is possible due to tetraploid varieties in potatoes. It also risks carrying pests and diseases from one generation to the next – leading to the accumulation of pests and diseases with each round of multiplication.
Seed innovation
Prof Franke explains that Solynta BV, a seed company based in the Netherlands that produces potato varieties that can be grown from seed, has included South Africa in their research efforts because it is one of Africa’s largest producers and exporters. Through his academic relationship with Wageningen University and Research, a Dutch institution renowned for its agricultural endeavours and food production, the UFS became involved in researching hybrid potatoes grown from seed.
Diploid seeds containing two sets of chromosomes allow easier gene manipulation to increase predictability and speedier genetic progress. The breeding approach enables the incorporation of tolerance to pests, diseases, abiotic stresses (cold, heat, drought) and other desired genetic traits.
Although Prof Franke is optimistic about this research, he is not blind to disadvantages. “Potato seeds are tiny and have little energy reserves, making it harder to grow potatoes from seed than from tubers.” He says potatoes from seed will take longer to cultivate than tubers, as farmers need to grow plantlets from seeds first, adding six weeks to the growing period. “It is possible that commercial farmers can grow potatoes directly from seed. Alternatively, perhaps more likely, specialised growers will produce tubers of potatoes from seed; these tubers are then sold as seed tubers to other potato farmers, who then continue their normal practices of producing potatoes for the market from tubers.”
Financial benefits
Prof Franke says farmers have reason to get excited. “Seed potatoes will reduce input costs, as varieties with enhanced tolerance to pests and diseases require less pesticides. Planting one hectare of potatoes requires three to four tonnes of potato tubers, but only one 25 g packet of potato seeds.” Since potatoes are a more valuable commodity than maize, this technology might also increase farmers’ income potential.
UFS researchers help find opportunities to create knowledge
2016-09-15
The initiative hopes that the mobile libraries
will continue to contribute towards literature
awareness and access to books at rural
schools in the Free State.
Photo: Supplied
Did you know that only 3 392 primary schools in South Africa have libraries? In the Free State the statistics are shocking. Only 277 primary schools have libraries, while 1 087 carry on without them. One of nine provinces in South Africa, the Free State is regarded as a rural province. The South African Primary Education Support Initiative (SAPESI), in partnership with other sponsors, has committed to expanding access to books by donating mobile libraries to service schools across South Africa. In the Free State, the project is embraced by the Free State Department of Education, which employs the mobile operators and library assistants to service these libraries, driving many kilometres of gravel road to visit remote farm schools and other under-resourced schools. SAPESI has set a goal to supply 75 mobile libraries to provide 2 000 schools with access to books by the year 2020.
Discovering the value of the mobile libraries
Although the mobile libraries in the Free State have been functioning since 2007, no formal research had been conducted on their work. Towards the end of 2014, the Free State Department of Education and the Flemish Association for Development Cooperation and Technical Assistance (VVOB) commissioned the UFS to carry out a participatory action research project. Dr Lynette Jacobs, Head of the School of Education Studies at the University of the Free State’s Faculty of Education and her team engaged with role-players at district and provincial level in a Participatory Action Research project.
The research project aimed to describe the work that mobile libraries do, and appraise its influence on learners and schools, towards improving their functionality. In addition, this project aimed to build research capacity within the district teacher development centres.
Highlights of the mobile library project
The way the Free State Department of Education embraced and supported the initiative by Mr Tad Hasunuma and SAPESI, was inspiring. Each of the five education districts has two fully equipped library buses that periodically visit schools. The stock on the buses is regularly replaced by books that SAPESI receives from the international community. Specific books are also loaded for teachers to use as resources. One of the outcomes of the research project was that guidelines were developed for teachers on how to use books in addition to curriculum material in the classroom. At district level, the teams reflected on the work that they were doing and implemented improvement plans to provide an even better service. Findings of the project were presented at the XIV Annual International Conference of the Bulgarian Comparative Education Society that focused on education provision earlier this year. It was lauded by representatives of the international education community as an example of good practice to provide education to marginalised children.
Reading helps enrich children’s lives
The research project concluded by stating that the aim of the mobile libraries was to provide learners and teachers at rural and farm schools with reading books, and they were doing as best they could. While the mobile libraries cannot make up for possible challenges related to teaching and learning or in infrastructure, the learners and the teachers are regularly provided with good resources to encourage reading and stimulate literacy development.