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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

Regional winner designing her way to Architectural Student of the Year Award
2016-03-09

Description: Corobrik award Tags: Corobrik award

Musa Shangase, Corobrik Commercial and Marketing Director, and Nilene van Niekerk.

For 29 years, Corobrik has been celebrating the most outstanding architectural talent in South Africa. This year, Nilene van Niekerk – a master’s graduate of the University of the Free State (UFS) Department of Architecture – features as one of the regional winners.

Deciding on a dissertation topic, Nilene contemplated how she could use architecture as a tool to address a non-architectural contemporary problem specific to post-apartheid democratic South Africa. Her answer was born from her passion for freedom of speech. “Freedom of speech and the intimidation of journalists by the controversial Secrecy Bill were at the forefront these past few years,” Nilene says. “Although freedom of expression are generally protected practices in South Africa’s constitution, the persistent role of the government to protect state information is a substantial threat to citizens’ constitutional right of freedom of expression.”

This resulted in Nilene’s dissertation topic, Freedom of Expression Forum. This architectural concept envision a building, in the vicinity of Constitutional Hill, that symbolises protest against the Secrecy Bill. The building will provide “protection to journalists and become a pivotal point where classified information can be sent and archived. It will also establish a public space that encourages communication – all in the name of fostering the right of freedom of expression within this human rights precinct,” Nilene says.

Nilene will now go on to compete for the national title at the Corobrik Student Architect of the Year Awards in Johannesburg in May 2016.

“The project also rethinks the idea of sustainability as it focuses on how to contribute to a sustainable political future in South Africa. I believe that we as architects, especially in a third world country, should think beyond the normative boundaries of sustainability,” Nilene says.

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