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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

NRF commits R30-million for research at the UFS
2007-02-20

The National Research Foundation (NRF) has committed approximately R30-million for various research projects at the University of the Free State (UFS).
 
According to Prof Frans Swanepoel, Director of Research Development at the UFS, the NRF has also approved all eight research niche areas that were submitted to the NRF, the highest number approved at any university in the country.
 
Prof Swanepoel said the 24 research projects for which funding had been obtained from the NRF ranged from traditional healing and HIV/Aids/tuberculosis management, practices of the paediatric anti-retroviral programme at the UFS to nano-materials synthesis and characterisation.
 
He said the eight research niche areas were part of an initiative at the UFS to establish strategic clusters of academic and research excellence.
 
“There will be six strategic academic clusters at the UFS and the eight NRF-approved research niche areas will form part of them,” Prof Swanepoel said.
 
The six strategic clusters are:
1.         Water management in water-scarce areas
2.         New frontiers in poverty reduction and sustainable development
3.         Social transformation in diverse societies
4.         Ecologically sound value chains for agricultural commodities
5.         Materials and nano sciences
6.         Advanced bio-molecular research
 
Prof Swanepoel said that the UFS had also submitted five proposals in terms of an NRF initiative to establish research chairs at South African universities.
 
“Linked to our intention to establish six strategic academic clusters, five proposals for the South African Research Chair Initiative (SARCHi) were submitted. All five pre-proposals were accepted in the first round of screening, and successful candidates have been invited to submit full proposals by the end of February,” he said.
 
The proposed research chairs are:
 
Petro- and organometallic chemistry
Biocatalytic and biomimetic oxidation-reduction systems
Nano-solid state lighting
People’s health and well-being
Water management
 
Speaking at the official opening of the university earlier this month, the Rector and Vice-Chancellor of the UFS, Prof Frederick Fourie, said: “The cluster initiative represents a strategic initiative to focus our energies in a few key areas, investing in them so that the UFS can become an international leader in those fields.”
 
“A medium sized university such as the UFS with relatively limited human, physical and financial resources has to achieve this kind of ‘critical mass’ and synergy to establish itself in terms of its core functions of teaching/learning, research and community engagement,” said Prof Fourie.
 
Media release
Issued by: Lacea Loader
Media Representative
Tel: 051 401 2584
Cell: 083 645 2454
20 February 2007

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