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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

SRC and Kovsies stand against abuse
2014-04-16

The SRC took the lead on Monday by orchestrating a campaign to create awareness and instill consciousness on campuses to act against the abuse of women and children.

During a march from the Thakaneng Bridge to the Main Building on the Bloemfontein Campus, the SRC led students in a Pledge Against Women and Children Abuse to ensure that the UFS community become accountable. The message proclaimed, was one of zero tolerance for the abuse of women and children.

The Dean of Student Affairs, Rudi Buys, addressed students, saying: “No more. This cannot be just another march, but something to speak directly to injustice.”

This campaign was aimed at ensuring that relevant information and services are provided to help women and children. Representatives of Health and Wellness, psychologists and social workers, as well as representatives from the Centre of Trauma Forgiveness and Reconciliation, the Centre for Safety and Security and the Institute of Race and Reconciliation were present during this campaign.
The Vice-Rector: External Relations, Dr Choice Makheta, stressed the point of women and children’s wellbeing, by saying: “As a university we must make sure women are treated well… that children are treated very well.”

Violence against women and children in South Africa happens regardless of age, class or colour. Studies shows 50% of women have been reported experiencing violence at the hands of their intimate partners. Local studies also show that 28% of men have admitted to being rapists. Every hour a child is abused in South Africa.

But Kovsies say “No more! No more!”

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