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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 beat Pukke at USSA tennis tournament
2010-01-13

 The Kovsies women’s team that participated in last year’s USSA tennis tournament were, from the left, front: Elrien de Villiers and Nicola Dormehl; middle: Rensia Henning and Christine Keyser; back: Jeanne du Plessis and Elizna Barnard.

 

The men who participated in the tournament were, from the left: Willem Steenkamp, PW Holtzhausen, Duke Munro, Janine de Kock (manager), Marnus Kleinhans (coach), Divan Olivier, HB Steyn and Reon Henning.
 

Last year Kovsie tennis concluded on a highlight when the men’s tennis team of the University of the Free State (UFS) won the USSA tournament that was held in Grahamstown for the first time in twenty years. The UFS women’s team also excelled by going through to the final round, where they had to bow the knee before the team of Stellenbosch University.

The result of these excellent achievements was that two of the five players that were selected for the USSA women’s training group were Kovsies. They are Rensia Henning and Christine Keyser. Elrien de Villiers was selected as the player of the tournament but unfortunately she could not be included in the group because she is a Namibian citizen.

The men’s group existed of eight players, of which four are Kovsies. They are Reon Henning, Duke Munro, Willem Steenkamp and PW Holtzhausen.

Members of the USSA training group will participate in training camps, tournaments and trials to prepare for the Confederation of University and College Sport Association (CUCSA) games (where all the Southern Africa countries participate) in Botswana that will take place from 5-11 July 2010. The training group will also participate in the World Student Games in 2011.

The Kovsies men’s team kick-started last year’s USSA tournament by beating the team from the University of Cape Town with 6-1 and later on the same day beating the team from the University of Johannesburg with 5-1. The next day they beat the team from the Tshwane University of Technology with 7-0 and the team of the University of Pretoria with 5-1. According to Ms Janine de Kock from KovsieSport at the UFS this is an excellent achievement, taking into account that Tukkies had ended in second place at the 2008 tournament.

In the semi-finals Kovsies played against the North-West University and beat them with 4-1. After this triumph in the singles matches the organisers decided that the doubles would not be played.

The women’s team won their matches against the Universities of Pretoria, Cape Town, Rhodes, KwaZulu-Natal and the Tshwane University of Technology. The tournament ended with Kovsies and Maties as the only two unbeaten teams and Stellenbosch University walked away with the laurels. The North-West University did not have a women’s team at the tournament at all.
 

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