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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

UFS strengthens ties with Mexican university
2010-05-11

 At the First Joint Subcommittee on Technical, Scientific and Technological Co-operation were, from left: Prof. Nahum Marban-Mendoza, Chairperson of the Department of Agroparasitology, UACH; Dr Gisela Pena-Ortega, Director of the Office for International Affairs and Academic Exchange, UACH; Prof. Wijnand Swart, Director of UFS Strategic Academic Cluster 4: Technologies for Crop Industries in Semi-arid regions; and Dr Victor Pinto, Department of Parasitology, UACH.
Photo: Mercedes Cuenca


In 2006, the University of the Free State (UFS) signed an institutional agreement with the Autonomous University of Chapingo (UACH) in Mexico. This made the UFS the first South African academic institution to establish scientific relations with Mexico.

It was for this reason that Prof. Wijnand Swart, Director of the UFS Strategic Academic Cluster 4: Technologies for Crop Industries in Semi-arid regions, was invited to participate in the First Joint Subcommittee on Technical, Scientific and Technological Cooperation held recently in Mexico City. During his visit, Prof. Swart secured the working relationship between the UFS and the UACH.

During the first meeting of the Mexico-South Africa Bi-national Commission, the Mexican Foreign Secretary and Minister of Foreign Affairs and South African Minister for International Relations and Cooperation signed a joint statement. The statement, “Mexico and South Africa: Towards a Priority Relationship”, together with a Scientific and Technological Cooperation Agreement, will lay the foundations for monitoring existing collaboration and promote new actions between institutions in Mexico and South Africa.

Prof. Swart spent the remainder of his stay in Mexico presenting lectures to staff and students at the UACH on integrated pest management and challenges facing South African agriculture. He also engaged in discussions with Dr Gisela Pena-Ortega, Director of the UACH Office for International Affairs and Academic Exchange, about the establishment of a staff and student exchange programme with the UFS.
 

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