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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

One from UFS elected as Vice-President of ASAQS
2015-04-20

Stephen Ramabodu and Dr Marléne Campbell, Stephen’s promotor during his studies.
Photo: Leonie Bolleurs

The university is very proud of the election of Dr Stephan Ramabodu, from the Department of Quantity Surveying and Construction Management, as Vice-President and the chairman of the fees committee of the Association of South African Quantity Surveyors (ASAQS).

ASAQS aims to advance and promote the science and practice of quantity surveying, uphold the dignity of the quantity surveying profession, and promote the high standards of professional competence and integrity, among other things. Members of the ASAQS receive guidance and resources to succeed in quantity surveying, and to stay abreast of developments in the built environment today and in the future.

The ASAQS also provides an environment in which professionals may learn, grow, and work together to advance the techniques and science of quantity surveying. The ASAQS include quantity surveying professionals from every area of the construction industry, from private practice, government and quasi-government organisations to construction companies.

Stephan completed his quantity surveying (QS) degree as well as a master’s degree in Land and Property Management at the University of the Free State. In 2014, he completed his PhD, making him the first black South African PhD holder in the Department and one of the few QS PhD holders nationwide. 

In 2002, Stephen was appointed as a lecturer in the Department of Quantity Surveying and Construction Management under a programme called Grow Your Own Timber. He went to gain some commercial experience in Cape Town, where he worked for Davis Langdon. In 2008, he came back to the Free State, where he established Ramabodu & Associates Later that year, he returned to the university as a lecturer to complete all the remaining milestones of the Grow Your Own Timber programme.

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