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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

Department of Afrikaans and Dutch, German and French impresses at conference
2010-02-24

 
The five staff members from the Department of Afrikaans and Dutch, German and French at the UFS who recently made history at a conference held at the University of Pretoria (UP) were, from the left, front: Ms Swart, Prof. Steyn, Dr Van den Berg; back: Mr Senekal and Prof. Van Coller. Photo: Supplied


Five staff members from the Department of Afrikaans and Dutch, German and French at the University of the Free State (UFS) recently made history at a conference at the University of Pretoria (UP). The department presented the most papers coming from one department and university at a conference entitled “Patryspoort na buite”. Ms Corlietha Swart, Prof. Jaap Steyn, Dr Cilliers van den Berg, Mr Burgert Senekal and Prof. Hennie van Coller all presented excellent papers at the conference.

According to Ms Swart, three of the five papers focused on different aspects of the author and linguist, G.R. von Wielligh. The Von Wielligh papers took up a full session of the conference.

With Von Wielligh’s 150th commemoration in 2009, the National Afrikaans Literature and Research Centre (NALN), under the auspices of the curator Mr Otto Liebenberg, decided to research this underrated figure’s contribution. Swart’s paper titled “Landmeter Von Wielligh op ongekarteerde taallandskap”, took a look at this figure as a linguist. Prof. Steyn focused on “G.R. Von Wielligh as historikus van die ‘eerste’ Afrikaanse taalbeweging” and Prof. Van Coller’s paper concentrated on “G.R. von Wielligh se bydrae tot die voorsiening van Afrikaanse leesstof en die kweek van ’n leeskultuur: ’n literêrhistoriese perspektief op sy skeppende prosa”.

Dr. Van den Berg read a paper on “Die transmissie van trauma: ‘Tralievader’ deur Carl Friedman” and Mr Senekal’s paper gave an overview of “Die representasie van vervreemding in hedendaagse Afrikaanse protesmusiek”.
- Lize du Plessis

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