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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

Arts and Social Justice festival brings creativity and academia together
2013-08-28

 

Photo: Linda Fekisi
14 August 2013



Who really benefited from the post-1994 democratic dispensation in the sports arena? What happened to the heroes of non-racial sport? Did the 1992 transition to unification wipe out an entire history of black sport in rugby and replaced it with a sanitized version of the sport?

These are some of the questions film producer Mark Fredericks explores in his thought-provoking documentary film ‘Injury Time’. The film is one of several documentaries screened as part of the second annual Artistic and Social Justice Week, hosted by the Institute for Reconciliation and Social Justice from 19 to 31 August 2013.

Extended from last year's one-week run, this year’s programme is packed with great productions, exhibitions and intellectual encounters celebrating freedom of expression. A highly-anticipated event on the programme is the open-air film screening of the documentary 'Dear Mandela' on Friday 30 August. This film follows the journey of three young people from their shacks to the highest court in the country as they invoke Nelson Mandela's example and become leaders in a growing social movement.

Speaking at the opening of the festival, Prof André Keet, Director of the Institute, said the purpose of the two week programme is to explore new and different ways of understanding social relations. "It’s an endeavour which is crucial to the Institute's objective of confronting the histories, policies and practices that has shaped and constrained the intellectual and social mandate of universities across the country and world."



“The role of art and literature in reflecting on society, has overtaken – in terms of substance, quality and relevance – the function of critical commentators, political analyst, sociologists and philosophers. Artists are, simply put, better political commentators than political commentators themselves. Better political commentators than philosophers, better political commentators than political analysts. Uniquely positioned to engage with social reality, art and literature demand that we experience artistic work as political acts.” Prof André Keet

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