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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

Prof. Jansen meets the community
2012-05-16

 

Prof. Jansen listens attentively to Mr Teboho Moloi, who represented the Harrismith Business Forum at the community meeting where the UFS vision was shared.
Photo: Thabo Kessah
16 May 2012

We are very proud of our academic achievements, but without the human element, these achievements are not worth anything. This is according to Prof. Jonathan Jansen, Vice-Chancellor and Rector, who attended a meeting with the Thabo Mofutsanyana community in the Eastern Free State.

Prof. Jansen made the community aware that the university has two very important and interlinked projects – the academic and human projects.

“Our university has ambitions to produce the best scholars in various fields, but this cannot be done if we neglect the human aspect of doing things in the right way. We want to produce academic giants as much as we want to produce graduates of life,” said Prof. Jansen to an audience that included representatives from the traditional councils, business, religious and farming communities as well as the Maluti-A-Phofung and Dihlabeng Local Municipalities.

Prof. Jansen said that the memorandum of understanding that the university signed with the Dihlabeng Local Municipality in 2010 was already yielding positive results.

“There has been an enormous improvement in the matric results of the Dihlabeng schools that are part of our efforts to contribute towards building a brighter future for our children. We want to thank the municipality and the Honourable Mayor Tjhetane Mofokeng for being part of this partnership,” added Prof. Jansen.
 
“We are grateful that the university is considerate of its stakeholders in developing this Maluti-A-Phofung area. I am also aware that this institution has contributed towards the building of a crèche in the Mabolela village in Qwaqwa and for this we are very happy,” said Ms Linah Mnisi from Motlotlwane Projects and Consultants.
 

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