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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

Goodwill and unity reigns supreme at official opening
2014-02-07

Video
Transcription: Prof Jonathan Jansen speech

The academic year at the UFS was officially opened by Prof Jonathan Jansen, Vice-Chancellor and Rector, at a splendid event with staff at the Bloemfontein Campus. “The UFS is no longer the place it was four years ago. When I arrived here, the place was very much divided. The picture is very different today. Staff and students have come together and are spending time together as friends. A new spirit reigns at the university. People are no longer mad at each other; they talk to each other,” Prof Jansen said.

The reason: students know that they are loved and respected. The people responsible for this – the staff.

Prof Jansen particularly emphasised the capacity of staff members to change and to care. “Change at the UFS is possible because of the positive attitude of staff and students. This creates an atmosphere where students can learn to love and forgive.

“We have reached a new consensus where racism, sexism, xenophobia and homophobia are wrong. We also address this bad behaviour immediately.

“Another highlight at the UFS is the changes in the academy. Debate is deeper and more progressive. We have the best intellectual debates at the UFS. We are also proud of our young researchers in the Prestige Scholars Programme. We are excited, because in five years’ time we will reap the fruits from the efforts of young, as well as older researchers who have worked hard so that we can deliver the best researchers.

“There is another shift in the academic culture on campus with our students increasingly looking academically stronger.

“Besides the capacity of staff to change, they also have a capacity for caring. Projects such as the Staff Fund and the No Student Hungry Programme is doing well, with the NSH Programme raising more than R1 million to feed hungry students,” Prof Jansen said.

At this event, Prof Jansen also gave recognition to the team involved with and working very hard at the Schools Change Project, which is largely responsible for the Free State’s good matric results. With the inspiration of the staff involved with this project, a difference is made to schools in the Free State.

“Our staff members do more than is stipulated in their contracts. Our staff members do their jobs from the heart,” Prof Jansen said.

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