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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

Senior leadership approves CSRC appeal
2012-05-14

The senior leadership of the UFS has approved the appeal lodged by the Central Student Representative Council (CSRC) to allow students deregistered on 30 April 2012 for not meeting their financial obligations, to write the May/June 2012 exams.
 
As from 14 May 2012, a relatively small number of 428 deregistered students will automatically have their registration reinstated and they will be granted the opportunity to write exams, provided that they have obtained a 40% predicate mark for each module.
 
A name list of the deregistered students will be sent to the heads of departments where they were enrolled. Only students who have obtained a 40% semester mark will be permitted to write exams.
 
Today the Executive Committee of Senate approved a recommendation that those students who only become aware of this arrangement after one of their scheduled modules has already been examined, may apply for permission to the Academic Timetables and Venues Office, Room 166, George du Toit Administration Building on the Bloemfontein Campus, to write a special examination. On the Qwaqwa Campus students may apply for permission to the Examination Section, Room 137 in the Administration Building.
 
This will, however, be a once-off opportunity and students will not be afforded another opportunity to write exams if they miss the first examination opportunity as well as the special examination. A student who writes only the special examination and fails will not be given a further opportunity. A student who writes the main examination and does poorly, but qualifies for a supplementary examination, may write the supplementary examination in the additional examination period.
 

This arrangement applies to all UFS campuses.
 

Media Release
14 May 2012
Issued by: Lacea Loader
Director: Strategic Communication
Tel: +27(0)51 401 2584
Cell: +27(0)83 645 2454
E-mail: news@ufs.ac.za

 

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