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24 August 2021
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Story Amanda Tongha
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In a year marked by a global pandemic, the University of the Free State (UFS) has made great strides in research, teaching, and impactful engagement.
Our 2020 journey has seen many staff members providing services to advance public knowledge of COVID-19 for the greater good of South Africa. We have produced top-rated scientists, boasting six SARChI research chairs and three A-rated scholars in our world-class workforce. Our various initiatives to ensure student success continue to bear fruit, with current and former students making their mark in the world. One such example is Qinisani Qwabe, a PhD student in the Centre for Sustainable Agriculture, Rural Development and Extension, who was selected in the education category of the Mail & Guardian Top 200 Young South Africans. He was also chosen to represent South Africa at a BRICS conference in Russia.
You can read these and other facts and figures in ‘Our 2020 Journey’ publication.
Click on image to download the document
Using sugar to make the world a sweeter place
2017-10-13
Dr Deepack Santchurn, former PhD student in the
Department of Plant Sciences at the UFS,
and plant breeder in the Mauritius Sugar Industry
Research Institute, with Prof Maryke Labuschagne, left,
Dr Santchurn’s study leader.
Photo: Charl Devenish
Besides it mainly being used for sugar production, sugarcane has emerged as an important alternative for providing clean renewable energy. Dr Deepack Santchurn, who works in the sugarcane breeding department of the Mauritius Sugar Industry Research Institute (MSIRI), believes if he could contribute towards a more environment-friendly and renewable energy through the use of sugarcane biomass, he would consider himself having made a great leap towards a better world.
Sugarcane is mostly known and exploited for the sugar in its cane stem. According to Dr Santchurn it is not the only thing the crop does well. “Together with certain grasses, it is the finest living collector of sunlight energy and a producer of biomass in unit time. Sugarcane is now recognised worldwide as a potential renewable and environment-friendly bioenergy crop.”
Significantly more bioenergy can be produced from sugarcane if the production system is not focused on the production and recovery of sucrose alone but on the maximum use to the total above-ground biomass. Diversification within the sugarcane industry is of paramount importance.
He has been able to identify a few high biomass varieties that can be exploited industrially. One of the varieties is a commercial type with relatively high sugar and low fibre in the cane stem. Dr Santchurn explains: “Its sucrose content is about 0.5% less than the most cultivated commercial variety in Mauritius. Nevertheless, its sugar yield and above-ground biomass yield surpass those of the commercial varieties by more than 24%. The genetic gains compared to commercial varieties were around +50% for total biomass yield and +100% for fibre yield. Its cultivation is strictly related to bio-energy production and the extracted juice can be used as a feed-stock for ethanol and other high-value products.”
Dr Santchurn received his PhD at the UFS’s Department of Plant Sciences during the Winter Graduation Ceremonies in June this year. His study leader was Prof Maryke Labuschagne from the Department of Plant Sciences.