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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

Student Council welcomes international students on campus
2017-03-16

Description: International students on Qwaqwa Campus  Tags: International students on Qwaqwa Campus

Some of the guests and International Student
Council (ISC) members during the welcome
function. From the left are: Tatenda Goche (Deputy
Chairperson), Loice Nzombe (Chairperson),
Bulelwa Moikwatlhai (Office of International
Affairs), Jennifer Ashafa (Secretary), and
Takudzwa Nyamunda (Chairperson on the
Bloemfontein Campus)
Photo: Thabo Kessah

SRC President Njabulo Mwali says that the presence of international students on the Qwaqwa Campus is very welcome as it enables students from all over the world to learn from each other.  He was addressing the International Student Council’s welcome function for international students.

“One important area where South African students can learn a lot from international students is hard work. It is an open secret that many of us, as South Africans, are not as persistent as we should be. We give up easily,” he said to an audience of students mainly from Zimbabwe, Kenya, Ethiopia, and Nigeria.

Speaking on behalf of the Rectorate, the Registrar: Systems and Administration, Dr Karen Lazenby, assured international students that the UFS is committed to their emotional and physical wellbeing.

International students face various challenges

“Having been an international student myself, I fully understand your various challenges. If you have any ideas on how we can make your stay here as memorable as possible, please help us to help you,” she said.

Both Drs Elsa Crause and Dipane Hlalele, respectively Campus Vice-Principal: Academic and Research and Acting Campus Vice-Principal: Support Services, congratulated students on choosing the Qwaqwa Campus.

“Our campus will give you many opportunities to reinvent yourself both as a person and a student,”   Dr Crause said.

Dr Hlalele added: “International experience is fascinating as it does not only provide different types of knowledge and truth, it also enriches the campus with an African and international footprint.”

The Office of International Affairs also presented its services to students.

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