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21 August 2019
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Story Thabo Kessah
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Photo Thabo Kessah
Keafon Jumbam is gearing herself for the institutional Three Minute Thesis competition.
Keafon Jumbam is a PhD candidate whose research on food and foxes has won her the first prize of R8 000 in the recent Faculty of Natural and Agricultural Sciences’ Postgraduate Flash Fact Competition. Her brief in the competition was to
summarise her research in three minutes, using only one static slide.“The competition started at departmental level on both campuses. The idea was that the best student in each department is then selected to go for the faculty-level competition on the Bloemfontein Campus. Summarising the entire research into three minutes is no easy feat, but a great way to gauge how well one has mastered your work,” she said.
Far-reaching research
“Thought-provoking presentations on research, ranging from technology to track academic progress, traditional medicine as alternatives to expensive prescriptions, and suggesting insects as food alternatives to curb hunger in this era of severe droughts and food shortages. The competition was tough, but it highlighted the level of research competitiveness on the Qwaqwa Campus. I hope that more students will join in such opportunities to build themselves up and to showcase our research output as Qwaqwa students,” added Jumbam from the
Department of Zoology and Entomology.
Institutional finals
Her next challenge is the institutional competition to be held on 23 August 2019, which could qualify her for the national competition.
Plant eco-physiologist finds effective solutions for crop optimisation
2016-07-24
The bio-stimulant was tested on
this citrus. This is the first time
that the product has been tested
on a crop.
In a time characterised by society facing increasing population growth, food crises, and extreme climatic conditions such as drought, it is essential for farmers to integrate science with their work practices in order to optimise crops.
Role of photosynthesis and plant sap data
By knowing how to use photosynthesis and plant sap data for determining plant health, fast and effective solutions could be established for the optimisation of crops. This technique, which could help farmers utilise every bit of usable land effectively, is the focus of Marguerite Westcott’s PhD study. She is a junior lecturer and plant eco-physiologist in die Department of Plant Sciences at the University of the Free State.
Westcott uses this technique in her studies to prove that a newly-developed bio-stimulant stimulates plants in order to metabolise water and other nutrients better, yielding increased crops as a result.
Agricultural and mining sectors benefit from research
The greatest part of these projects focuses on the agricultural sector. Westcott and a colleague, Dr Gert Marais, are researching the physiology of pecan and citrus trees in order to optimise the growth of these crops, thus minimising disease through biological methods. Field trials are being conducted in actively-producing orchards in the Hartswater and Patensie areas in conjunction with the South African Pecan Nut Producers Association (SAPPA) amongst others.
The principles that Westcott applies in her research are also used in combination with the bio-stimulant in other studies on disturbed soil, such as mine-dump material, for establishing plants in areas where they would not grow normally. This is an economical way for both the agricultural and mining sectors to improve nutrient absorption, stimulate growth, and contribute to the sustainable utilisation of the soil.
The bio-stimulant contributes to the immunity of the plants.
It was tested in these pecan nut orchards (Hartswater).
Soil rehabilitation key aspect in research projects
“One of two things is happening in my research projects. Either the soil is rehabilitated to bring about the optimal growth of a plant, or the plants are used to rehabilitate the soil,” says Westcott.
Data surveys for her PhD studies began in 2015. “This will be a long-term project in which seasonal data will be collected continuously. The first set of complete field data, together with pot trial data, will be completed after the current crop harvest,” says Westcott.