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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

UFS a much safer place
2011-09-20

 
First-year students Chuma Nyiko (left) and Mabasa Teleni next to one of the red poles installed on our Bloemfontein Campus.
Photo: Amanda Tongha

Students and staff at our Bloemfontein Campus can feel even safer, with several initiatives being put in place to ensure their safety.

The stop-and-search actions of the recent past, which are being carried out at all the main gates of our Bloemfontein Campus, seem to be successful, since car theft has decreased on the campus. Mr Willie Frankim, Head of Protection Services, says the stop-and-search actions are carried out sporadically, but have a definite effect on crime at the campus. Mr Frankim says only one vehicle has been stolen in the past two months as opposed to the many more that have been stolen in the past.

The message that safety is viewed in a serious light reaches as far as our university’s parking areas and walkways, which are being patrolled by security staff. Mr Frankim says a security officer is placed in all the large parking areas, while other personnel are distributed across the entire campus, especially at key areas, such as at the library and student centre.

Our university also recently installed more than 30 red poles across the entire campus. Each of these red poles is fitted with a panic button by means of which help can be summoned. Should a student or staff member feel unsafe, all they have to do is press the button and cameras, which are installed in the vicinity, will focus on the pole and Protection Services will send assistance. Twenty five of these poles are already working and ten more still have to be activated.

Students and staff can also phone Protection Services on 051 401 2911 if they feel uncomfortable about their safety. They can use this number, for example, to ask a security officer to accompany them to their car.
 

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