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08 October 2020 | Story Leonie Bolleurs | Photo Supplied
Dr Cornel Bender
Dr Cornel Bender received her PhD qualification at the virtual graduation ceremonies in October. The title of her thesis is: Stem rust resistance in South African wheat and triticale.

The rapid distribution of disease-causing organisms such as Ug99, a wheat stem-rust pathotype, pointed out just how vulnerable global cereal production is to disease outbreaks.

These cereals include wheat, barley, rye, oats, triticale, rice, maize, and millet and are one of the most important food sources for human consumption.

According to Dr Cornel Bender, the projected world population of 10 billion in 2057 requires a growth of more than 40% in cereal production. Wheat is grown on more hectares than any other cereal and is one of the most important sources of calories for humans. However, the growth rate of wheat yields has declined from the 1960s to the 1990s. Therefore, it is essential to increase global wheat production.

“With the regular appearance of more aggressive stem rust pathotypes in South Africa, there is a constant need to discover new sources of resistance, understand the genetic base of presently deployed sources in wheat, triticale and barley cultivars, and to manipulate the deployment of resistant sources through a more sustainable approach,” says Dr Bender.

Her PhD thesis, titled: Stem rust resistance in South African wheat and triticale, includes various fundamental aspects for the effective management of stem rust in South Africa.

Dr Bender is a Professional Officer in the Division of Plant Pathology in the Department of Plant Sciences, who received her PhD at the virtual graduation ceremonies in October.

Innovative and cost effective

Her promotors, Prof Zakkie Pretorius, Research Fellow, and Dr Willem Boshoff, Senior Lecturer in the Department of Plant Sciences, believe that she used an innovative approach to develop a cost-effective phenotyping method to select for more durable resistance types in a controlled greenhouse environment.

“In the past, results obtained from field trials used to assess adult plants for stem-rust resistance, were often influenced by abiotic factors, were seasonable in nature, expensive, and time consuming; therefore, the development of a dependable greenhouse screening system provides an important additional instrument for rust research,” says Dr Bender.

She adds that the greenhouse technique is used worldwide to screen for adult plant resistance and contribute to save time and money.

Broadening our knowledge

“Inheritance studies were undertaken to determine the genetic base of stem-rust resistance in selected South African wheat and triticale cultivars (developed from wheat/rye crosses) through seedling analysis as well as greenhouse and fieldwork,” she says.

Dr Bender believes the use and development of different resistance screening methods, the elucidation of host genetics, as well as the use of histological and microscopic methods to study early resistance responses, broaden our knowledge and understanding of stem-rust resistance in South African wheat and triticale cultivars.

Ultimately, rust researchers, grain producers, and also the general public – through access to their daily bread – will benefit from her study.

News Archive

UFS celebrates Kagiso Trust’s 30 years of commitment to the empowerment of impoverished communities
2015-07-15

From the left are: MEC Tate Makgoe, Free State Department of Education; Busi Tshabalala, Thabo Mofutsanyana Education District Director; Dean Zwo Nevhutalu,  Kagiso Trust Trustee  and UFS Director of Community Engagement, Bishop, Billy Ramahlele.
Photo: ?Thabo Kessah

Future sustainable partnerships in education will survive only if all partners are committed, honest, and transparent.

This is the view expressed by the Free State MEC for Education and UFS Council member, Tate Makgoe, during the panel discussion at the Qwaqwa Campus of the University of the Free State celebrating Kagiso Trust’s 30 years of commitment to the empowerment of impoverished communities. The topic was “The future partnership models for education in Africa”.

“Over the years, the partnership between the Free State Department of Education, the UFS, and Kagiso Trust has helped to expose the potential in our mainly rural children in the Qwaqwa area of the Thabo Mofutsanyana district,” said Makgoe.

”When we started in 2009, the matric pass rate in the district was 64%, and this rose to 87% in 2014. In Qwaqwa alone, we have managed to build 51 computer and 26 physical sciences laboratories. It was these laboratories that enabled the Free State to be the best performing province in the Physical Sciences in 2013,” added Makgoe.

“None of these achievements would have been possible if all the partners had not been committed to the course. Partnerships built on honesty and transparency are the best model, which we hope to export to other provinces and, indeed, countries,” Makgoe said.

Representing the UFS on the panel was the Director of Community Engagement, Bishop Billy Ramahlele, who added that collaborations can be successful only if the leadership was exemplary.

“As the university, we have had many collaboration with various government departments, and great strides have been achieved only with the Department of Education under the leadership of MEC Makgoe,” said Ramahlele.

”With the MEC on board, the UFS ended up dedicating its South Campus in Bloemfontein to supporting Free State schools. We now have 70 schools that benefit from live television broadcasts of lessons by some of our outstanding academics. This also enables our best academics to make a valued contribution to empowering our teachers. It also allows the university to maximise scarce resources to attain social cohesion,” he said.

In his remarks, Kagiso Trust Trustee, Dean Zwo Nevhutalu, said that Kagiso Trust was looking forward to continue working with its partners to maximise outcomes through limited resources.

“Kagiso Trust will continue to work with the poor and the marginalised and there is no better partner than the government itself. The government provides basic services, and education is one of them. This allows us to be innovative and not just dump books and equipment at schools because we are forced to by our corporate social investment obligations. Therefore, we challenge the government also to be innovative in building a sustainable future partnership model in education,” he said.

Among the dignitaries attending the panel discussion were Kagiso Trust Chairman, Dr Frank Chikane, and the late Dr Beyers Naude’s family.

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