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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

UFS staff makes a difference
2010-05-04

 
From the left are: Ms Annemarie Ludick, Senior Officer at the UFS; Mr Gerald and Mrs Luchelle Blaauw of the Ebenhauser Intermediary School in Wepener; and Mr Philemon Bitso, Assistant Officer: Corporate Relations at the UFS.
Photo: Leonie Bolleurs
A group of staff members at the University of the Free State (UFS) made a donation to Mr Gerald Blaauw and his wife, Luchelle, both teachers at the Ebenhauser Intermediary School in Wepener, in reaction to an article that appeared in Volksblad’s Kontrei of 28 April 2010.

The money will be used to buy a stove and pots to prepare food for the 646 learners in this school.

When Mrs Blaauw, who has been at the school for ten years now, got involved in the school’s feeding scheme, she noticed a great need for food amongst the learners. It motivated her to start a vegetable garden. With spinach, cabbage, beetroot, beans, peas and carrots in the garden but no stove or pots to cook the vegetables, Mrs Blaauw was very happy when she learned about the donation from the UFS.

Mrs Blaauw has plans to expand the garden. “We would like to daily give the children a plate of food at 10:00 and a cup of soup again in the afternoon,” she said.

Mr Mickey Gordon, Head: Corporate Relations, Institutional Advancement and Sport at the UFS, said: “It is remarkable that a teacher will go to so much effort for the children. This school is part of our Free State community and we like to help.”

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