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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

Eusibius McKaiser gives first talk on new book at Kovsies
2012-05-09

 

Eusibius McKaiser
Photo: Johan Roux
9 May 2012

Students and staff from our university got the first glimpse of political and social commentator Eusibius McKaiser’s new book, There is a Bantu in my bathroom, during a public lecture of the same title held by the author on the Bloemfontein Campus.

McKaiser told the audience that they were amongst the first people to get a preview of his book, a collection of essays on race, sexuality and politics.

His talk centred on domestic race relationships, posing the question whether it was acceptable to have racial preferences with regard to whom you live with. Recounting an incident he encountered while looking for a flat in Sandton, McKaiser said the country was still many kilometres away from the end-goal of non-racialism.

McKaiser, who hosted a weekly politics and morality show on Talk Radio 702, and is a weekly contributor to The New York Times, said the litmus test for non-racialism in South Africa was not what people utter in a public space, but rather what was said in private.

“We need to talk more about the domestic space. In public, we are very insincere and quick to preach non-racialism.”

Recounting conversations he had with Talk Radio 702 listeners on the incident, McKaiser said that preference about whom you live with was not specific to white people’s attitude. He said many of his black listeners also felt uncomfortable living with a white person. “The question is, ‘What do these preferences say about you? What does it say about where we are as a country and people’s commitment to non-racialism?’”

McKaiser was the guest of the International Institute for Studies in Race, Reconciliation and Social Justice.
 

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