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Plant Sciences graduate contributes technique to manage stem rust

08 October 2020 | Story Leonie Bolleurs | Photo Supplied

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 departments receive recognition for quality work from MACE

2017-12-07

The team from the Department of Communication and Brand Management,
UFS Marketing and Institutional Advancement who received awards at the
2017 Annual National MACE Congress.
Photo: Supplied

The Departments of Communication and Brand Management, UFS Marketing, and Institutional Advancement collectively won 16 awards during the 2017 Excellence Awards presented by the National Association of Marketing, Advancement, and Communication in Education (MACE), which took place in Johannesburg on 30 November 2017.

Shared experiences and best practices
The awards ceremony is part of the MACE Annual National Congress, which took place from 29 November to 1 December 2017 at the Wits School of Governance. The MACE Congress is a platform on which experts from the fields of marketing, advancement, and communication share experiences and best practices. This year’s programme included speakers such Basetsana Kumalo, CEO of Basetsana Woman Investment Holdings and a former Miss South Africa (1994), and first runner-up in the Miss World Pageant, Saint-Francis Tohlang, independent trend analyst and writer, Emma Sadleir, founder of the Digital Law Co and Leanne Manas, multiple award-winning TV presenter.

Celebrating successes
Lacea Loader, Director of the Department of Communication and Brand Management at the University of the Free State, received an Award of Excellence Gold for the UFS Graduations Ceremonies Communication Strategy and an Award of Excellence for the UFS Rector’s inauguration and welcoming ceremonies.

Mamosa Makaya, Deputy Director: Integrated Communication received two Merit Awards for, respectively, the Dumela newsletter and the Visitor’s Guide. Jóhann Thormählen, former employee in the department’s Internal Communication Unit, received an Award of Merit for the Wayde van Niekerk Campaign and an Award of Excellence Gold for the Student Newsletter. Thabo Kessah, also from Internal Communication, on the UFS Qwaqwa Campus, received an Award of Merit for the UFS Qwaqwa Campus Open Day video.

"I am extremely proud of what we
have achieved this year and of
the quality and standard of the
work produced."

Martie Nortjé, Assistant Director of the Unit for Branding and Merchandise received an Award of Merit for KovsieGear Qwaqwa: Live the brand and set the trend. Leonie Bolleurs, Assistant Director of the Unit for Internal Communication received two Awards of Merit, for respectively, the UFS Schools Marketing Video and the UFS Corporate Profile and UFS Fingertips brochures.

Ilze Bakkes from UFS Marketing received the Chairperson’s Award of Excellence for her entry, Top Achievers Early Bird Registration. The award is for the highest-scoring entry across all divisions. She also brought home the Award of Excellence Gold for Registration branding and communication – The Lighthouse Campaign, the Award of Excellence Gold for the Kick-Start Your “I-Want-To-B” Grade 9 Subject Choice Booklet and the Award of Excellence Gold for the Top Achievers Early Bird Registration project. Chantel Koller, also from UFS Marketing, received an Award of Merit for her Star of Stars Competition entry.

The Institutional Advancement (IA): Alumni event planning committee received an Award of Excellence Gold for their entry: Chancellor’s Distinguished Alumni Awards Dinner. The committee consisted of Helen Namponya, Ntokozo Nkabinde, Tertia de Bruin, Nhlanhla Modzanane, and Elmada Kemp.

IABC Africa Award
“This is the second year in a row that the department has received so many accolades from its peers at MACE. I am extremely proud of what we have achieved this year and of the quality and standard of the work produced. The fact that we were also again acknowledged by the Africa Chapter of the International Association of Business Communicators (IABC) is also commendable,” said Loader. She is also the National Chairperson of MACE.

Earlier this year, the Department of Communication and Brand Management received an IABC Africa Award of Excellence for the UFS 2017 Winter Graduation Ceremonies Communication Strategy from the International Association for Business Communicators (IABC). Loader collected the award during the Silver Quill Awards ceremony on 3 November 2017 in Cape Town.

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