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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

Spring Graduation
2011-09-12

 

Our university will be awarding altogether 91 diplomas/certificates and 624 degrees during the Spring Graduation Ceremony on 14 and 15 September 2011. Of these, 23 doctorates and two honorary doctorates will also be awarded.

As with this year’s Autumn Graduation Ceremony, we will be making the ceremony more accessible to students and the public. Two appearances, in particular, can be looked forward to on this occasion: a national concert pianist in Grade 12 from Voortrekker High School in Bethlehem, Caryn Reed, and a continental debating champion and second-year student in our Faculty of Economic and Management Sciences, Sibusiso Tshabalala, as guest speaker.
 
All the master’s and doctoral degrees of the various faculties will once again be awarded during one ceremony on 15 September 2011.
 
Prof. Robert Frater, Emeritus Professor in Thoracic and Cardiovascular Surgery, and Emeritus Professor of Paediatrics, Albert Einstein College of Medicine and Montefiore Medical Centre, New York, will be receiving an honorary doctorate in Medical Science. As a teacher and trainer, Prof. Frater has influenced many surgeons in his training role in the wards, operating room and intensive care facility. Dr Akilagpa Sawyerr, an academic from Ghana, will be receiving an honorary doctorate in Education for groundbreaking work done on the African continent. Dr Sawyerr, who is a member of our International Advisory Council, has visiting appointments at prestigious universities, such as the famous Fletcher School of Law and Diplomacy at Tufts University. He also has visiting status at the Harvard Law School and the Yale Law School.
 
The full programme for the various ceremonies is:
  • Wednesday, 14 September 2011:
At 10:15, the degrees will be awarded to students of the Faculties of Humanities, Education, Law and Theology. Diplomas/certificates up until honours degrees will be awarded. This excludes the Certificate in Education, National Professional Diploma in Education and the Advanced Education Certificate.
 
At 15:15, degrees will be awarded to students in the Faculties of Economic and Management Sciences and Natural- and Agricultural Sciences and Health Sciences. Diplomas/Certificates up until honours degrees will be awarded.
  •  Thursday, 15 September 2011:
At 10:15, a total of 125 master’s and doctoral degrees plus two honorary doctorates will be awarded by all the faculties in a joint ceremony.
 
The Chancellor’s Dinner will also take place on the same day.

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