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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 urges individuals to come forward with evidence about incidents
2016-03-04

UFS urges individuals to come forward with evidence about incidents on the Bloemfontein Campus last week

The University of the Free State (UFS) condemns in the strongest terms the racist attacks on protestors, the destruction of public property and the intimidation of staff and students, which led to the shutdown of academic and administrative activities on the Bloemfontein Campus from 23 to 26 February 2016. Extensive investigations are underway to identify the perpetrators who took part in all incidents of disruption and criminal conduct, and urgent steps will be taken against such individuals or organisations in due course.

The UFS makes an urgent appeal to:

1.    All individuals who are in possession of evidence or knowledge of any crimes; assaults on students, staff, and visitors; the destruction of property; and intimidation that have been committed on the Bloemfontein Campus in the past week, to come forward with such evidence and information.

2.    All individuals who are in possession of video footage and photographs of the incidents at Xerox Shimla Park, the Equitas Building (formerly known as the CR Swart Building), Thakaneng Bridge, various residences, the Main Building and the grounds in front of the building, to come forward and provide such evidence in order to assist with the identification of those involved in criminal acts.

Information can be provided by calling +27(0)72 490 6027 or +27(0)51 401 3422. Alternatively, an email can be sent to news@ufs.ac.za. All information will be treated as confidential, unless the individual providing the evidence is not opposed to testifying.

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