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06 December 2018 | Story Leonie Bolleurs | Photo Barend Nagel
Marcelle Vermeulen
Marcele Vermeulen, a graduate from the Department of Plant Sciences, explores possible threats to crop production; contributing to food security in South Africa.
Global food security is currently threatened both by climate change and the low diversity of crops relied on by humankind to feed a growing world population. Marcele Vermeulen, a graduate in the Department of Plant Sciences who will receive her PhD at the December graduation ceremonies at the University of the Free State (UFS), is part of a team that is working hard to add to the diversity of staple foods in South Africa.

In the drive to focus on alternative crops, Marcele is researching the crop, Amaranthus cruentus, (grain amaranth). It is more tolerant to environmental stress for large-scale production, thereby also diversifying staple crops.

Relatively new development

“Amaranthus cruentus is an excellent candidate due to its high nutritional value and tolerance to drought and high temperatures. It can be mixed with conventional maize meal, to increase the protein intake of its consumers,” said Marcele.

The production of A. cruentus as a grain crop in South Africa is a relatively new development.

In her research, exploring the possible threats to crop production and paying particular attention to dominant plant pathogens in the Amaranthus cruentus, Marcele found a correlation between fungal pathogens and insect pests. 

Insect pests can influence plant diseases

Although reports on fungal pathogens and pests specific to A. cruentus are limited to and information for South Africa is limited to this study, there is a possibility that by controlling insect pests such as weevils, one might also be able to control fungal pathogens of Amaranthus cruentus.

Marcele believes that control of weevil pests should thus be the focus of future pest and pathogen management strategies and breeding programmes in A. cruentus.  

“Knowledge gained in my thesis will hopefully aid in the development of future cultivation practices, integrated pest/pathogen management programmes, as well as for the registration of crop protection products for A. cruentus,” Marcele added.

Research Contributes to Food Security from University of the Free State on Vimeo.

News Archive

Future economic development lies in humankind’s ability to learn from nature
2015-09-30

We as humans have become more powerful than we are wise. We live in a world where there is an abundance of knowledge but less wisdom. ”These were the opening remarks of Edward Kieswetter, Group CEO at Alexander Forbes, and former Chairperson of the UFS Council, as guest speaker at the UFS Business School on 23 September 2015, on the subject of the future economic world order, and the vast amount of knowledge that humans possess. “The knowledge we possess has the potential either to develop us greatly, or put us at high risk of extinction,” he said.

Mr Kieswetter was accompanied by Dr Idriss Aberkane, a French thinker, entrepreneur, and academic, who is co-founder and CEO of Scanderia Ltd. Dr Aberkane spoke of three new concepts that the world is moving towards: Knowledge Economy, Biomimicry, and the Blue Economy.  He said “humankind’s second renaissance is based on the knowledge economy.”  He added that knowledge is infinite and prolific, with its global quantity doubling every 7 to 9 years. He added that “the combination of forms of knowledge grows exponentially and non-linearly.”

On the subject of Biomimicry, he said “nature is high-tech, we should read it rather than burn it.” High-tech companies, such as Samsung and Apple Inc are beginning to use Biomimicry to produce the most advanced technological gadgets, and even more companies are using the same, to advance the fields of medicine, agriculture, production of apparel, and sustainable development.

The session was attended by MBA students, student leaders, and members of the university community.

The guest speaker series forms part of the MBA programme held at the UFS Business School throughout the year.

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