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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 Postgraduate student council’s community project a success
2016-03-03

Description: UFS Postgraduate council’s community project a success Tags: UFS Postgraduate council’s

Prof Jansen Vice-Chancellor and Rector, Dr Henriette van den Berg, Director of Postgraduate School, and Mr Gustav Wilson, Regional Head: Development and Care, Free State and Northern Cape Region.

The University of the Free State’s Postgraduate Student Council embarked on a courageous community engagement project for Mandela Day in 2015. The programme was aimed at assisting offenders at Tswelopele Correctional Centre pass their matric exams, thus granting them access to tertiary education.

The Postgraduate Student Council assisted the 2015 matriculants with study support, and motivated them during their final examinations in 2015. The council will play a bigger role this year by offering offenders at Tswelopele career advice and career guidance for when they leave the correctional facility, as well as study techniques to assist them throughout the year, to ensure a 100% pass mark in 2016.

Offenders who had participated in the Postgraduate Student Council project attended the Postgraduate School’s Open Day on 19 February.  Of the 12 offenders, 11 passed their matric exams, while one is currently busy with his supplementary exams. Tswelopele has a 92% pass rate; it is the best performing correctional centre in South Africa.

The Tswelopele Correctional Centre also serves as a full-time high school (Grade 10-12), and TVET College, assisting offenders to register for tertiary education through various universities.

Prof Jonathan Jansen, Vice-Chancellor and Rector of the University of the Free State, said that he was immensely proud of the matriculants from Tswelopele Correctional Centre. He added that it is vital for every human being to receive a second chance. “Rehabilitation programmes are meant to give offenders a second chance at life, because we cannot give up on humanity. Correctional centres and rehabilitation centres are a societal responsibility. Society must not give up on offenders, everyone deserves a second chance, and we cannot give up on humanity.”

“To our offenders going through rehabilitation and all our young people who are our hope for the future of our beloved country, be encouraged. Dream again. Discover the wonder in your lives,” said Mr Gustav Wilson, Regional Head: Development and Care, Free State and Northern Cape Region.

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