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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

Soetdoring/Kagiso pair-up wins 2015 Stagedoor
2015-03-03

With a new format and residences mixing it up, the 2015 Stagedoor proved to be a success yet again, leaving Soetdoring and Kagiso with the spoils of victory.

Stagedoor (the annual first-year residence stage and serenade competition) saw a change of format this year where residences were combined to perform in a few number of outdoor venues for rotations.

Prior to this, Residence CoRC Cultures expressed much concern regarding the co-operation that might (or might not) be achieved with working with other residences. These were all early stage fears. However, as their preparations progressed there seemed to be a glint of light at the end of many groups’ tunnels.

Seven diverse and combined groups made it through to final, namely;

• Vishuis and Tswelopele,
• Karee and Armentum,
• Sonnedou and NJ van der Merwe,
• Soetdoring and Kagiso,
• Roosmaryn and Vergeert-My-Nie,
• Villa Bravado and Madelief, and
• and Veritas and Marjolein.

The finals proved that the efforts and sleepless nights of RC Cultures, first-years, composers, and other behind-the-scenes contributors can really make any situation work.

As always, the crowd was blown away by the musical and vocal talent of first-years, as some compositions gave the audience goose bumps, leaving them asking for more. All in all, the evening created a frenzy, causing residences to interact whereas they would have never done so before.

According to the Student Affairs’ Arts and Culture office, the aim behind the new format was to break the barriers between residences. Arts and Culture were also pleased as to with how the RCs worked around accommodating their partners and ensuring maximum co-operation, despite some challenges.

As the night neared its closeclosing, residences were chanting their names and showing their pride in their first years’ performances.

2015 Stagedoor final results:

1. Soetdoring and Kagiso
2. Roosmaryn and Vergeet-My-Nie
3. Vishuis and Tswelopele

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