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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

Stanford University hosts book launch for UFS Prestige Scholar
2015-12-14

Dr Christian Williams, a member of the Vice-Chancellor’s Prestige Scholars Programme, had his book launched by Stanford University. The book called National Liberation in Postcolonial Southern Africa: A Historical Ethnography of SWAPO’s Exile Camps will be available in South Africa early in 2016.
Photo: Sonia Small

A launch for the much-anticipated book by Dr Christian Williams from the University of the Free State (UFS) was sponsored by the Humanities Center and the Center for African Studies of Stanford University in the USA, among others.

The launch of the book, National Liberation in Postcolonial Southern Africa: A Historical Ethnography of SWAPO’s Exile Camps, coincided with the 40th anniversary of Angola’s independence.

The book was published by Cambridge University Press in September 2015, and the launch at Stanford was on 16 November 2015.

This groundbreaking study, which will be available in South Africa early next year, has already been lauded for its invaluable contribution and the depth of its scholarship. The author is a senior lecturer in the Department of Anthropology of the UFS, and member of the Vice-Chancellor’s Prestige Scholars Programme (PSP). He is a former Fulbright scholar, and holds a doctorate from the University of Michigan in History and Anthropology.

National Liberation in Postcolonial Southern Africa follows members of the South West Africa People's Organization (SWAPO) through three decades of exile in Tanzania, Zambia, and Angola.

It highlights how different Namibians experienced exile, as well as the tensions that developed within SWAPO as Namibians encountered one another while officials asserted their power and protected their interests.

It also follows the return of Namibians who lived in exile to post-colonial Namibia, examining the extent to which divisions and hierarchies that emerged in the camps still continue to shape Namibians today.

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