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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

Patricia de Lille: “Know the difference between right and wrong.”
2010-03-04

From the left are: Jeanie Britz, MBA student; Garth Botha, MBA student; Ms De Lille; Prof. Tienie Crous, Dean: Faculty of Economic and Management Sciences at the UFS; and Prof. Helena van Zyl, Director: School of Management at the UFS.
Photo: Stephen Collett


Ms Patricia de Lille, the Leader of the Independent Democrats, recently paid a visit to the School of Management at the University of the Free State (UFS). She spoke to students in the MBA programme about the leadership challenges South African business leaders are facing.

Ms De Lille voiced her opinion on many current issues, such as corruption. “Business is standing back with its arms folded and leaving everything to government. In fact, business is doing something very similar to what it was doing during apartheid,” she said.

She added that a business leader and his or her business could be found behind every corrupt transaction. “It is a relationship involving more than one party. If someone accepts a bribe, someone else is paying a bribe,” she said.

Ms De Lille lashed out at business leaders who received extravagant salaries and bonuses even after they had been asked to leave the company. “South Africa needs a new generation of business leaders that truly know the difference between right and wrong,” she pointed out. “And it’s wrong to demand the rest of your contract’s money and bonus after you have been fired because you obviously didn’t do your work.”

Ms De Lille also focused on the role that South African business played. Business should engage with the government to identify problems and find solutions to speed up transformation. “We need young entrepreneurs that are patriotic and think out of the box,” she said.

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