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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

A Kovsie friend in need is a Kovsie friend indeed
2015-09-23


Several student organisations have recently started
initiatives to lessen the burden on needy students,
and on the broader community. It is because of
these initiatives that donations of food, commodities
and clothes reached the No Student Hungry (NSH)
Bursary Programme at the University of the Free State.
Photo: René-Jean van der Berg

Kovsie students have often showed that a friend in need is a friend indeed. Several student organisations have recently started initiatives to lessen the burden on needy students, and on the broader community.

It is because of these initiatives that donations of food, commodities and clothes reached the No Student Hungry (NSH) Bursary Programme at the University of the Free State.

The Rag Community Service and NSH offices are extremely grateful to students and staff for their selfless donations, also in respect of the difference these initiatives are making to Kovsies’ chances of having a better future.

The food and commodities will be distributed to the community, while the clothing donations are used for regular clothing sales in order to raise funds.

The food donations included a substantial donation from the support organisation, Gift of the Givers. The organisation heard about the NSH Bursary Programme and, due to the scope of the student-hunger problem, decided to become involved.

“This is an excellent initiative, and the passion with which it is driven motivated us to make a donation,” said Ms Emily Thomas, representative from Gift of the Givers.

Ms Karen Scheepers, Assistant-Director: Student Life responsible for Rag Community Service, said the recent donations and initiatives are proof that the Kovsie community really cares for each other.

“I found it amazing how willing students were to help and to give. From the moment we asked for help, students arrived at our offices with loads of stuff.”

 

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