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Graduate’s research contributes to food security

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

Pres Steyn turns pink in anticipation of Vryfees

2014-06-06

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Live streaming

Australian artist Cigdem Aydemir vacuum packed the Pres Steyn monument on the Bloemfontein Campus’s Red Plain – in pink. Aydemir’s project, ‘Plastic Histories’, forms part of a public art project that encourages us to evaluate public monuments in their historical context.

By vacuum packing monuments, Aydemir alludes to their significance and preservation. At the same time, though, it reveals the nature of their contentious and gendered historical function. This is because most monuments in post-colonial countries typically celebrate men’s achievements in serving their nations.

In response, this project acknowledges the contribution of women from all races, communities and sexual orientations to the grand narrative of a post-apartheid South Africa.

Aydemir is also developing an app in collaboration with Australian artist Warren Armstrong. This will be used for augmented reality viewing of three city monuments – those of President Brand, General De Wet and General Hertzog. This means that visitors will be able to hold a smart phone or iPad in front of the monuments and view the monuments as if vacuum packed in pink plastic.

In conjunction with the public art project there will be an exhibition of digitally manipulated photographs of nineteen-century and contemporary male monuments in Bloemfontein. These photos will be exhibited at the Johannes Stegmann Gallery at the UFS Sasol Library from 15 July – 1 August 2014.

Public tours on the Bloemfontein Campus and into the city will take place on:

• Tuesday 15 July at 11:00,
• Wednesday 16 July at 14:00, and
• Saturday 19 July at 11:00.

Aydemir’s ‘Plastic Histories’ public art project is part of the UFS Programme for Innovation in Artform Development (PIAD) and the Vryfees arts festival’s partnership with the Australian-based SituateArt in Festivals initiative. This partnership is managed by the Salamanca Arts Centre in Tasmania.