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18 October 2024 | Story André Damons | Photo Supplied
Prof-Maryke-Labuschagne
Prof Maryke Labuschagne is a Professor of Plant Breeding in the UFS Department of Plant Sciences.

A new research chair at the University of the Free State (UFS), led by Prof Maryke Labuschagne, a Professor of Plant Breeding in the UFS Department of Plant Sciences, hopes to increase food and nutritional security in South Africa through crops that have intrinsic high nutritional value.

The Breeding Climate-Resilient Vegetables and Grains research chair was established in partnership with the Agricultural Research Council (ARC) and the Department of Agriculture, Land Reform and Rural Development (DALRRD). It will be hosted within the Faculty of Natural and Agricultural Sciences (NAS) alongside the other ARC-DALLRD-UFS research chairs, namely Climate Change and Agriculture, Innovative Agro-processing for Climate-smart Food System, Agriculture Risk Financing and Sustainable Livestock Production. 

The aim of the new ARC-DALLRD-UFS research chair, explains Prof Labuschagne, who is also leading the National Research Foundation (NRF) SARChI Chair in Diseases and Quality of Field Crops, is to breed climate resilient crops with high levels of nutrients such as iron, zinc, provitamin A and essential amino acids, as well as disease resistance, in collaboration with the ARC.

Breeding of climate resilient crops

“We are all aware of the need for food security in South Africa. Climate change is already negatively impacting food production. With this research chair, in collaboration with the ARC, we hope to increase food security through crops that have intrinsic high nutritional value, for example, high levels of iron and zinc and provitamin A, of which there are high levels of deficiency in our population, and at the same time increase climate resilience (such as heat and drought tolerance) in these crops.

“We will be working on breeding climate-resilient, nutrient-rich and disease-resistant pigeon pea and cowpea cultivars; maize rich in provitamin A, iron and zinc; highly nutritious sweet and bitter sorghum; rust-resistant and good-quality wheat; high-yielding and nutritious indigenous vegetables such as amaranth and amadumbi; and research on potato, sweet potato and cassava for human and industrial uses,” says Prof Labuschagne.

The new chair will complement the research that is already being done for the SARChI chair, but with the ARC as partner. It will combine the expertise and resources of Plant Breeding at the UFS with that of the ARC-VIMP (Vegetable, Industrial and Medicinal Plants), ARC-GC (Grain Crops) and ARC-SC (Small Grains). The chair research will include orphan crops such as cowpea, pigeon pea and indigenous vegetables, as well as root and tuber crops such as potato and cassava, and cereals such as wheat, maize and sorghum.

Collaborative research

“The focus of this chair is on collaborative research and student training with the ARC, but the research area will still focus on the development of nutrient-rich and disease-resistant food-security crops. It will also have an additional focus of climate resilience, and the inclusion of orphan crops indigenous to Africa and South Africa.”

Prof Labuschagne says it is exciting that collaborative research can now be done with the unique expertise and resources (laboratory equipment, fields, greenhouses etc.) of several research institutes for the benefit of food and nutritional security in South Africa. Doing this research in a large team with lots of expertise in different areas will certainly yield more and better results with a larger impact on food security.

“This is a very exciting development in agricultural research now that we are part of a large team all working towards the same goal of improving food security, sharing expertise and resources and also doing collaborative training of MSc and PhD students who will become the scientists of tomorrow, taking this quest into the future.”

Prof Vasu Reddy, Deputy Vice-Chancellor: Research and Internationalisation, says this chair is aligned to the UFS Vision 130 strategy, shaped by excellence and impact, sustainability and society. “This distinguished chair led by Prof Labuschagne recognises exceptional achievement and pre-eminence in the field to catalyse and ignite new talent and new knowledge. It marks an exciting opportunity to deepen our understanding of breeding climate-resilient vegetables and grains aligned to our expertise in agriculture.”

News Archive

Discovery in Scorpius constellation may signify clean energy for Earth
2017-01-23

 Description: Discovery in Scorpius constellation may signify clean energy for Earth Tags: Discovery in Scorpius constellation may signify clean energy for Earth

Earlier this year, a group of international astronomers
announced the discovery of an exotic binary star system,
AR Scorpii. The system is in the Scorpius constellation.
Photos: Supplied

See article on Nature’s website 

In future, stargazers and astronomers will look at the Scorpius constellation near the Milky Way with new eyes. Earlier this year, a group of international astronomers announced the discovery of an exotic binary star system, AR Scorpii. The system is in the Scorpius constellation.

Prof Pieter Meintjes, researcher in the Department of Physics at the University of the Free State (UFS), worked with four colleagues on what he describes as a “wonderful discovery”. This sensational discovery, which could lead to the production of cleaner energy on Earth, will be published in the research journal, Nature, early in 2017.

Model developed to interpret new set of measurements
The exotic binary star which was discovered consists of a red dwarf and a white dwarf revolving around each other every 3,5 hours. The binary system showed very prominent pulsations of 117 and 118 seconds respectively. The pulsations can be explained by a bundle radiation produced by the white dwarf star.

“These new observations have shown that the radiation is strongly polarised, a sign that we are dealing with synchrotron radiation here. Synchrotron radiation is produced by electrons accelerated to extremely high energy levels in the magnetic field of the white dwarf star,” says Prof Meintjes.

He developed a theoretical model to interpret a new set of measurements that was taken by the 1,9 m telescope and the 10 m SALT telescope at the South African Astronomical Observatory (SAA0).

Totally unique phenomenon could contribute to energy production on Earth
“I further indicated that the interaction between the magnetic fields of the white dwarf star and the red dwarf star induces secondary processes that specifically describe the behaviour of the radiation in the radio band and infrared band accurately. AR Sco is the first white-red dwarf binary system of which all the pulsated radiation could be explained by the synchrotron process, which is totally unique,” says Prof Meintjes.

According to Prof Meintjes, the value of the model lies in the fact that the processes which produce the radiation in AR Sco, can also be applied to produce energy on Earth.

 

Plasma reactors are based on roughly the same processes which apply in AR Sco, and with refining, it could be utilised to generate electricity in future. This will be much cleaner than nuclear energy.

 

The model developed by Prof Meintjes explains all the radiation in the system – from radio waves to X-rays – in terms of electrons accelerated to extremely high energy levels by electric fields in the system, which then produce synchrotron radiation over a very wide band of the electromagnetic spectrum.

Prof Meintjes is currently working on a follow-up article examining the evolution of the AR Sco, in other words, the origin of such a unique system and the final state towards which it is evolving. “My vision for the immediate future is therefore to develop a model for the evolution of the source concerned,” he says.

 

 

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