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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

Graduates encouraged to emulate the greats
2016-07-06

Description: z 2016 Winter grads Tags: z 2016 Winter grads

The University of the Free State Winter Graduation ceremonies
took place on 29 and 30 June 2016 on the Bloemfontein Campus.
Photo: Johan Roux

Trevor Manuel and Max du Preez among the recipients of honorary doctorates at UFS graduation 

Take up the challenge, make things happen, and emulate the greats. This was the overwhelming theme of messages from speakers to graduates at the Winter Graduation ceremonies of the University of the Free State (UFS).

According to Prof Joel Samoff, Professor in Africa Studies at Stanford University (USA), the graduands are the “new generation of analysts, researchers, and practitioners”, and should “assume the responsibility for keeping your senior colleagues on a productive path.” Prof Samoff, who received an honorary doctorate from the UFS on 30 June 2016, was the guest speaker at the afternoon graduation ceremony on 29 June 2016.

The UFS awarded a total of 482 Master’s and doctoral degrees on 30 June 2016 – 53 doctorates and 429 Master’s degrees – in the Callie Human Centre on the Bloemfontein Campus. On 29 June 2016, diplomas were awarded in the School of Financial Planning Law, as well as certificates and diplomas in education on the South Campus.

“You are smarter
than you think.
Smarter than other
people think you
are, and smarter
than the country
thinks you are.”


Rise above South African standards

According to Prof Jonathan Jansen, Vice-Chancellor and Rector of the UFS, South Africans have become use to a low standard of human decency, entertainment, and academics. He encouraged the graduates to rise above it.

“You are smarter than you think. Smarter than other people think you are, and smarter than the country thinks you are.”

Make impact like honorary doctorates

Dr Khotso Mokhele, UFS Chancellor, asked the recipients of honorary doctorates, Prof Samoff, Max du Preez, Trevor Manuel and Dr Reuel Jethro Khoza, and of the two Chancellor’s medals, Antony Osler and Marguerite van der Merwe (née Osler), to face the graduates at the morning ceremony on 30 June 2016. “I challenge you to look at them and to emulate them,” he said. “May it transform you to be like them in 10, 15 or 20 years.”

Dr Mokhele thanks Prof Jansen as leader

Dr Mokhele made special mention of Prof Jansen, who will step down as Vice-Chancellor and Rector on 31 August 2016, as these were his last UFS graduations. He thanked Prof Jansen for his major contribution to transformation at the UFS. “You are not only a Vice-Chancellor, but also a project leader,” Dr Mokhele said.

 

Click here to see a photo gallery of the graduations.

Click here to see a list of distinctions and special awards.

 

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