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Revolutionising wheat: Developing cultivars that maintain their quality in heat and drought

28 April 2023 | Story Leonie Bolleurs | Photo Supplied

UFS PhD student and food scientist Schae-Lee Olckers’ research could contribute to a stable supply of good quality wheat and bread, even in the face of climate change.

Follow your passion in order to find your purpose. This is the mantra of food scientist and University of the Free State (UFS) PhD student Schae-Lee Olckers, whose research is set to improve wheat quality by identifying which types of wheat are better able to tolerate stress, and which proteins are most important for producing high-quality bread.

“By grasping this, it is possible to ensure that we continue to have a stable supply of good quality wheat and bread, even in the face of climate change,” says Olckers, who believes wheat is one of the most important food grains in the human diet, and one of the most important staple cereal crops in the world.

Her PhD study, ‘The influence of abiotic stress on gluten protein and baking quality in bread wheat’, under the supervision of Dr Angie van Biljon and Prof Maryke Labuschagne in the Department of Plant Sciences, and Prof Garry Osthoff in the Department of Microbiology and Biochemistry, is investigating how different levels of heat and drought stress – mostly due to climate change – affect the gluten protein composition of high-yield bread wheat.

Olckers is a food scientist at StartWell Foods (Pty) Ltd, a non-profit organisation that produces high-quality extrusion products for feeding schemes around the country. The products help to eliminate stunted growth among children.

Improving wheat breeding programmes

This research could help us find ways to adapt to climate change and continue to produce high-quality wheat and bread for people around the world. – Schae-Lee Olckers

Her research focuses on examining different types of wheat and investigating how proteins are affected by stressors like heat and drought, to understand how these stressors impact the quality of bread. She uses new proteomic methods to look at the different proteins in the wheat flour, to gain a better appreciation of how gluten proteins react to stress.

In this study Olckers is able to see how the proteins change in the various wheat cultivars, helping us to understand how the different types of wheat perform in baking, and how the proteins affect the final product.

She collaborates with the International Maize and Wheat Improvement Center (CIMMYT) in Mexico, that releases new wheat cultivars for developing countries. Their aim is to develop wheat cultivars that maintain their quality in different environments. To investigate the performance and characteristics of the seeds, both in the field and in the laboratory, CIMMYT did the field trials, quality assessment, and supplied the seeds for high-performance liquid chromatography (HPLC) and proteomics analysis.

Finding ways to adapt to climate change

She believes that understanding how these stressors impact the production of bread-baking quality in wheat will help scientists gain important insights into how climate change affects our food supply.

“Taking into consideration the current and projected intensifying heat and water deficit stresses, it is crucial to improve the understanding of these phenomena in order to implement new breeding strategies for sustainable wheat quality. This research could help us find ways to adapt to climate change and continue to produce high-quality wheat and bread for people around the world,” Olckers says.

News Archive

The UFS warmly welcomes 2016 first-years

2016-01-06

The University of the Free State (UFS) is ready to offer a warm welcome to all first-year and senior students for the 2016 academic year. In striving for excellence, we intend to provide an environment that is conducive to students enjoying their learning experience. To ensure that you, as new Kovsies, are able to navigate all three campuses easily, and receive the assistance you need, we have compiled a list for your information and convenience below.

Gateway Pocket Guide 2016

To assist you in finding your way on campus and to answer frequently asked questions, please read this document and refer to the accompanying map:
Information Sheet and Registration Map 2016.

Important dates

Bloemfontein Campus

18 - 22 January 2016: First-year student registration (Yearbooks) (view the full academic advice programme here)
25 - 29 January 2016: Senior resident student registration (Yearbooks) (view the full academic advice programme here)
20 January 2016: First-year athletics
23 January 2016: First-year sports tournament
30 January 2016: Rag procession
1 February 2016: Lectures start

South Campus

Registration and Orientation dates for the South Campus
1 February 2016: Lectures start

Qwaqwa Campus
Pre- and post-registration information for the Qwaqwa Campus
19-22 January 2016: Registration - first-year undergraduate students
22-25 January 2016: Gateway Orientation - first-year undergraduate students (Gateway Pocket Guide 2016)
25-29 January 2016: Registration - senior residence students (undergraduate and honours)
25 January 2016: Registration - International students
26 January 2016: Official welcoming - first-year students
18 January – 5 February 2016: Registration - master’s and doctoral students
1-5 February 2016: Module and Qualification changes (all faculties)

1 February 2016: Lectures start

Stepping to success at UFS Qwaqwa Campus
Programme for other Gateway activities

Contact numbers

Bloemfontein Campus

Switchboard: +27(0)51 401 9111	Admissions: +27(0)51 401 9864/ 3693/ 3696	Financial Aid: +27(0)51 401 7175/ 9359/ 2103
Tuition Fees: Accounts/amounts payable: Undergraduate: +27(0)51 401 2806 / 3003 Postgraduate, BML and e-Learn students: +27(0)51 401 9537	Bursaries: +27(0)51 401 9160/ 3603	Loans: +27(0)51 401 9359/ 3202
Female Residences: +27(0)51 401 3455	Male Residences: +27(0)51 401 3562	Postgraduate Bursaries: +27(0)51 401 2045

South Campus

Switchboard: +27(0)51 401 9111	Tuition Fees: +27(0)51 401 2806/ 3003
Female Residences: +27(0)51 401 3455	Male Residences: +27(0)51 401 3562
Admissions: University Preparation Programme (UPP): +27 (0)51 505 1201/ 1362 Advanced Certificate in Teaching (ACT): +27 (0)51 505 1378 National Professional Diploma in Education (NPDE): +27 (0)51 505 1221 Advanced Certificate in Education (ACE): +27 (0)51 505 1342 Varsity College: +27 (0)51 505 1378 Short Learning Programmes: +27 (0)51 505 1436

Qwaqwa Campus

Switchboard: +27 (0)58 718 5000	Admissions: +27 (0)58 718 5011/ 5012/ 5022
Tuition Fees: +27 (0)58 718 5024/ 5119	Financial Aid: +27 (0) 58 718 5062/ 5061/ 5038
Accommodation: +27 (0) 58 718 5030/ 5016

Payments and registration

Registration fees are payable five days before the registration date.

Once you have registered, you will be able to access your official timetable. Use our campus maps to easily find your way around.

For detailed payment information, visit our Tuition Fees website.

Student card

Students on the Bloemfontein Campus have to obtain a student card from the Card Division on the Thakeneng Bridge. Your student card is your official university identification, and allows you access to:

campus
residence
events
library
computer labs.

With your student card, you are also able to pay for:

meals
books
electronic items.

General

Once you are registered, important announcements will be emailed to your student email account (studentnumber@ufs4life.ac.za). Information regarding assessments and electronic study material related to the modules you are registered for at the university will be posted on Blackboard - an online learning management system. For Blackboard-related queries, dial +27 (0)51 401 9452.

Safety and security is a priority here at the UFS. Protection services are available 24 hours a day on +27(0)51 401 / 2911. In addition, the Health and Wellness Centre is here to cater for your health needs.

Please like the University of the Free State and the Kovsie2B Facebook pages to stay up-to-date about what is happening at the UFS.

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