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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

Two research chairs awarded to UFS women
2015-09-15


Prof Pumla Gobodo-Madikizela

Two professors at the University of the Free State (UFS) have just been chosen as recipients of research chairs by the National Research Foundation’s South African Research Chair Initiative.

The research chairs are a massive financial injection for research in each of the relevant disciplines – that of Profs Pumla Gobodo-Madikizela from the Centre for Trauma, Forgiveness, and Reconciliation Studies at the UFS, and Felicity Burt from the Department of Medical Microbiology in the Faculty of Health Sciences.

Profs Gobodo-Madikizela and Burt are two of 42 female researchers in the country receiving research chairs as an initiative to give due recognition to women in research.

Profs Hendrik Swart, from our Departement of Physics and Melany Walker, Director, Centre for Research on Higher Education and Development, each also holds research chairs by the NRF. A third research chair has also been granted to the UFS Department of Plant Sciences for the research in field crops.


Prof Felicity Burt

The work of Prof Burt’s research chair is to investigate medically significant vector-borne and zoonotic viruses currently circulating; to define associations between these viruses and specific disease manifestations that have previously not been described in our region, to increase awareness of these pathogens; to further our understanding of host immune responses, which should facilitate development of novel treatments or vaccines and drug discovery.

Prof Gobodo-Madikizela, who has received international recognition for her work on forgiveness studies, will use this research chair to investigate historical trauma within two African contexts – those of South Africa and Rwanda. She hopes to gain insight into the role that memory plays in the formation of the experience of trauma, and to bring about healing of the trauma.

Prof Corli Witthuhn, Vice-Rector: Research at the UFS, expressed her pride on the announcement.

“We are extremely proud of the national recognition these two outstanding women researchers received.  The UFS strives for research excellence, and the five current NRF research chairs, as well as two NRF A-graded researchers who are at the forefront of their disciplines globally, indicates our continued commitment to innovating, relevant, and high-impact research.  We are excited about the progress of the past two years to position the UFS as a national leader in research.”

 

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