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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

Kovsies defend tennis title in Sun City
2017-04-01

 Description: 'Kovsie Tennis Sun City Tags: Kovsie Tennis Sun City

The first and second tennis teams of the University of the
Free State 
were first and fifth respectively among the 14
teams competing 
in the Egalite Invitational challenge.
Photo: Arne Nel

Although a tournament victory was not the Kovsie tennis team’s main goal, they still managed to outplay the best in the country.

The first team of the University of the Free State (UFS), who have been the champions of the combined USSA format for the past six years, successfully defended its title to end the Egalite Invitational challenge in Sun City unbeaten.

Second team also performing well

On 26 March 2017, the Kovsie first team defeated Puk’s first team 35-20 (games) in the final. Their second team also performed well and won against Tuks’ second team 31-21 to end fifth among the 14 teams. The matches in the tournament, which took place from 24 to 26 March 2017, were played in World Team Tennis format.

In the group stages, the Kovsie first team beat Puk’s second (35-12), Puk’s fourth (35-8), Tuks’ second (35-12), Maties’ first (31-19), Puk’s sixth (35-5), and Tuks’ third (32-16) teams. The team consists of Arne Nel, Christo Koekemoer, Emke Kruger, Lienke de Kock, Ansunica Brits, and Reze Opperman.

Preparation for USSA

Apart from USSA, the Sun City tournament is the other major tournament in which the UFS annually competes. “Of course you want to win, but unlike at USSA, this was not our main focus in Sun City,” says Janine de Kock, the Kovsie team manager. “We wanted to try new combinations and provide exposure to new players.”

A total of five of the 12 players in the two teams were newcomers. They are Lienke de Kock (first team), Handré Hoffman, JC Conradie, Brieta Pienaar, and Daniel de Villiers (all second team). According to Janine de Kock, it was especially important to test new doubles combinations before USSA.

“We always knew the first team is a good team with a chance, but we are very impressed with the second team’s fifth place.”

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