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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 blows the whistle on crime
2014-03-28


At the event were, from the left: Refiloe Seane, Director: Student Counselling and Development; Anastasia Sehlabo, SRC member for Accessibility and Student Support. Back, from the left: Melissa Barnaschone, Student Counselling and Development; and Mokgawa Kobe, Director: Protection Services.
Photo: Leonie Bolleurs

First-year students receive 1 000 whistles in project to combat crime.

Numerous safety measures were implemented by the University of the Free State in the past five years to ensure the safety of all the students and staff on all three campuses of the UFS. A large area of the UFS Campus is covered by security cameras. Red poles, equipped with panic buttons that can be activated to call for help, were also erected across the campuses.

At the beginning of 2013, as a further safety measure, whistles were handed out to female students in residences.

At an event on 26 March 2014, Refiloe Seane, Director: Student Counselling and Development, together with her team, handed over 1 000 whistles to the Student Representative Council to be distributed to first-year students. The whistles were sponsored by Prof Nicky Morgan, Vice-Rector: Operations and Mokgawa Kobe, Director: Protection Services.

“Female students are encouraged to use the whistles to call for help when they feel unsafe or are in danger. The objective is, firstly, to discourage criminals without suffering any negative consequences, and secondly, to get the attention of security or any other form of assistance,” said Melissa Barnaschone, Student Counselling and Development.

At the event, Mokgawa said: “The moment you blow this whistle, you say to the potential criminal:

  • I hate what you do
  • I will not keep quiet about it
  • I am doing something against crime.”

 

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