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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.
Unique partnership flows out of our Schools Projects
2011-06-29
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| At the meeting between our university and principals and teachers of three of the 23 schools in our university’s Schools Partnership Project were, from the left: Mr Motlolometsi Tshidiso, Tsotseletso Secondary School; Dr Choice Makhetha, Vice-Rector: External Relations (acting); Mr Vuyo Mlinde, Bloem-Oos Intermediary School; back: Dr Peet Venter, Head of our South Campus, and Mr Tlhabedi Mafoyane from Kagisho Secondary School. |
Our university established a unique partnership flowing from two of its community initiatives; the UFS Schools Partnership Project and the Extreme Make-over for Schools Project. Bloem-Oos Intermediary School which will benefit from the Extreme Make-over for Schools Project formed a partnership with Kagisho and Tsotseletso Secondary schools becoming a feeder school for the two schools. Both Kagisho and Tsotseletso Secondary schools are now beneficiaries of the UFS Schools Partnership Project.
With the Schools Partnership Project, the university is working closely with the 23 schools for a three- to five-year-period to help schools to become top achievers of which the teachers, learners and parents could be proud. The schools were identified last year and the groundwork for this project was finalised in 2010 as well. The university’s involvement in the Extreme Make-over for Schools Project includes amongst others a partnership with the Department of Basic Education and the Bloemfontein business community to work together to launch the first of a number of a newly upgraded schools to learners, teachers and the community. Bloem-Oos Intermediary School became the first school in Bloemfontein to undergo an extreme makeover.
Management structures from the University, including Prof. Jonathan Jansen, Vice-Chancellor and Rector, Dr Choice Makhetha, Vice-Rector: External Relations (acting), and Dr Peet Venter, Campus Head of the our South Campus, recently met with the principals and some of the teachers of three schools that form part of these two community initiatives of the university. The meeting between the university and principles Mr Tlhabedi Mafoyane (from Kagisho Secondary School), Mr Motlolometsi Tshidiso (Tsotseletso Secondary School) and Mr Vuyo Mlinde (Bloem-Oos Intermediary School) took place to enhance the relationships between the parties involved.
Dr Makhetha said, “When you support a school you groom learners to fit into the culture of the university. We were excited to learn that Bloem-Oos Intermediary School is a feeder school for Kagisho and Tsotseletso Secondary Schools. This partnership allows us to not only prepare learners already from an early age for university but also throughout their high school career. Let us make this project a model for South Africa.”
Continuous efforts and projects from the university as well as partners in the community, to invest in the learners of Bloem-Oos Intermediary School, include:
- The Project for Peace: A calculator project where learners will be taught on how to use a scientific calculator properly. A group of the learners will also be supplied with a free calculator.
- The Music Project: The Odeion School of Music at the UFS will also bring a music programme to the school.
- The Desk Project: This project includes fixing of all broken desks by Group 4 Correctional Facility. (This initiative includes all the broken desks of all the 23 schools in involve in the UFS Schools Partnership Project.)