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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

Arment-My-Nie proved what a time it is to be alive at the 2016 Stagedoor
2016-03-15

Description: 2016 03 KL Stagedoor Tags: Stagedoor

2016 has been nothing short of events that have left students singing the phrase, “What A Time To Be Alive!” This year’s Stagedoor theme had first-year groups re-enacting some of the most memorable times of 2016 and even far into the future.

On 12 March 2016, the show continued with the newly adopted format which was initiated last year, whereby residences are coupled together. With all teams being entered into the finals round, this can be seen as a victory for all, as the crowds of students and parents had the opportunity to see all pairs perform.

Kovsie Church, on the Bloemfontein Campus of the University of the Free State, was packed wall-to-wall with fans and supporters who were high in anticipation of the never-seen-before performances. This resulted in even more excitement for audiences and a tight competition for the residences.

With the theme already set out, the show began to roll, and audiences were enticed with each performance. Audiences experienced the tongue-in-cheek wit of performers, as many scripts had underlying references which left viewers roaring with laughter.

Only three groups could, however, walk away with the top spots. Karee and Arista were third, with Sonnedou and Villa Bravado coming out second, and the trophy was taken by Armentum and Vergeet-My-Nie.

This year, the Arts and Culture office of the Student Representative Council introduced additional categories to the competition. The winners were:

  • McDonalds Jingle – Legatum and NJ van der Merwe

  • Best Actor – Bernie Neser

  • Best Actress – Maynie Knoetze

  • Best Incorporated Theme – Legatum and NJ van der Merwe

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