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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

Statement from Prof Jonathan Jansen regarding a misquote about Madiba
2013-04-10

08 April 2013

Comments made by learners who attended the Leadership Summit (pdf)

Prof Jonathan Jansen: Presentation about Great Leaders (pdf)

The news article that first appeared in Volksblad of Monday 8 April 2013 claiming that I wanted Madiba to die, refers.

This is a complete misrepresentation of what I said. My argument was that Madiba had done so much for South Africa, that he had served South Africa well, and that sometimes you just wish that people would leave him alone so that he can pass his final days quietly.

Like all South Africans, I want Madiba to live as long as possible, but without the constant glare and speculation of the media and others. He needs to be left alone to rest and die in peace. That was the content and context of what I said.

To misrepresent a lengthy statement on a talk which was entirely devoted to extolling Madiba’s leadership — alongside that of Luthuli, Ghandi and Martin Luther King Jr (this was the main photograph on the screen) — is mischievous. The seven characteristics of leadership of Mandela, and the other three, were what the one hour and ten minute talk was about — something completely ignored in the misrepresentation.

It is true that I depicted the crises from Marikana to the Catholic Church as crises of leadership and not primarily military or religious blunders.

It is also true that I argued that the official representation of the hospital visits as ‘routine checkups’ was inaccurate for aged people, since at the age of 94 no hospital visit is ‘routine.’ That is what I said.

- Prof Jonathan Jansen, Vice-Chancellor and Rector, University of the Free State

Media Release
08 April 2013
Issued by: Lacea Loader
Director: Strategic Communication
Tel: +27(0)51 401 2584
Cell: +27(0)83 645 2454
E-mail: news@ufs.ac.za

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