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06 March 2020 | Story Igno van Niekerk | Photo Igno van Niekerk
 Gert Marais looking at pecan leave_
Dr Gert Marais says the UFS is helping to ensure that the pecan industry not only survives but thrives.

“When opportunity knocks, you must jump. The more opportunity knocks, the more you should jump.” 

Look closely, and you will notice the rise in pecan-nut plantations as you travel through South Africa. Do not be surprised if you find that the UFS’s pecan-nut project – steered by Dr Gert Marais, Senior Lecturer in the Department of Plant Sciences – is associated with those pecans.

Main exporter
In an ever expanding and interconnected global economy, South Africa has joined the USA as main exporters of pecan nuts to China. We have several advantages; our seasons differ from that of the USA, and we have the benefit that we are harvesting and exporting pecan nuts at the time when they are most popular at Chinese festivals and events.

Although it takes a long time to grow pecan trees (seven to eight years before they start producing), the long wait has extensive benefits. Dr Marias explains: “Unlike other crops, you do not have to prepare the soil and plant new crops annually. Rather than re-investing, you only need to do proper maintenance. Once planted, the pecan trees can produce for generations to come. And the UFS is involved in ensuring that the pecan industry not only survives but thrives.”

Empowering farmers
As the pecan industry in South Africa grows, new challenges are identified. Some trees suffer from a condition called overall decline, others from scab, and some others are infested by combinations of fungi not found in other countries. Dr Marais and his team have filed several ‘first reports’ of combinations between pecans and pathogens, leading to opportunities for MSc research projects and making a difference in the industry.

Dr Marais undertakes six field trips per year to visit all the production areas in South Africa, share information at farmer’s days, arrange courses to ensure best practices with regard to pecan cultivation; students also use these visits to collect samples for their research. Due to the systemic collaboration between the private sector and the university, farmers are empowered to manage their pecan crops better, the university benefits from cutting-edge research, and South Africa becomes a stronger player in the international economy.

Opportunity is knocking. And the UFS is jumping.

News Archive

Prof Neil Heideman awarded a Fellowship
2006-07-25

Prof Neil Heideman, Vice-Dean of the Faculty of Natural and Agricultural Sciences at the University of the Free State (UFS), was  awarded the Fulbright Senior Researcher Fellowship to visit the laboratory of Prof Jack Sites, a fellow herpetologist at Brigham Young University, Utah, in the United States of America (USA), from October 2006-January 2007.

The Fulbright programme is a flagship programme of the government of the USA which focuses on the exchange of international experts in a variety of educational activities such as advanced research and university lecturing.

Prof Heideman will use the opportunity to develop an understanding of the application of micro satellites (short repetitive sequences in DNA molecules) to population genetics questions.  In recent years  micro satellites have become the marker of choice for measuring genetic variability in populations. Prof Sites has extensive experience in the application of the technique and is therefore an ideal candidate to spend time with. Although not new to South Africa, the country's  capacity in the use of micro satellites is still very limited, being essentially non-existent among herpetologists.

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