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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

Live a drug free life
2009-05-18

 
Rev. Ruben Sokana

Our university strives to be a robust university in all aspects, including the well-being of its staff and students. Recently Selloane Phoofolo, Social Worker on our Qwaqwa Campus hosted a drug awareness campaign to raise awareness on the dangers of drug abuse and the importance of a healthy life style. Also included on the programme was discussion on how to equip students with the skills and support necessary to make informed decisions about their health, personal lives and social development and encourage and enable those persons who are dependent on drugs to avail of treatment with the aim of reducing dependency and improving overall health and social well being.

Speaking at this occasion were Rev. Ruben Sokana from the Anti- Drug and Alcohol Abuse Forum (Adaaf), Captain Buti John Ramoshebi and Inspector Gysbert Du Plessis from the South African Police Service, Phuthaditjhaba (Dog Unit).

Rev. Ruben addressed the students about the dangers of drug abuse. He indicated that drug abuse is a major contributor to crime, poverty, reduced productivity, unemployment, dysfunctional family life, political instability, the escalation of chronic diseases such as Aids and Tuberculosis (TB), injury and premature death.

Captain Buti John and Inspector Gysbert had a discussion about the different types of drugs and the effects thereof. Amongst others they discussed sedatives, stimulants, and LCD.

For those staff members and students who were still not sure about the dangers of drug abuse, Thabo Moloi, a recovered drug addict shared his story of the struggle with a drug addiction. He strongly advised students and staff members to live a drug-free life.

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