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25 March 2022 | Story Leonie Bolleurs | Photo Charl Devenish
Prof Liezel Herselman Inuagural Lecture
At the inaugural lecture were from the left: Prof Danie Vermeulen, Dean of the Faculty of Natural and Agricultural Sciences, Prof Liezel Herselman, Dr Adré Minnaar-Ontong, Senior Lecturer in the Department of Plant Sciences and Subject Head of Plant Breeding, and Dr Molapo Qhobela, Vice-Rector: Institutional Change, Strategic Partnerships and Societal Impact.

Prof Liezel Herselman, Academic Head of the Department of Plant Sciences at the University of the Free State (UFS),) delivered her inaugural lecture on the Bloemfontein Campus this week (24 March 2022). The theme of the lecture was the ongoing battle against destructive cereal killers. 

With 28 years of extensive experience as a researcher, her work focuses on marker-assisted disease resistance breeding in wheat within a South African context. When she joined the UFS in 2004, Prof Herselman decided to apply her research expertise in marker-assisted breeding to the problems faced by wheat producers in the Free State and Northern Cape. The Free State is one of the major dryland wheat production areas in South Africa, while irrigation wheat is produced along the major rivers in the Northern Cape. 

Protection against fungal diseases

Concentrating specifically on Fusarium head blight (or wheat scab) and three rust diseases – leaf rust, stem rust, and stripe rust – she has done work to provide wheat plants with ‘tools’ to protect themselves against these fungal diseases.

According to Prof Herselman, there are many genes available in different wheat genotypes and related grass species that provide excellent protection against various races of these diseases. “Some of these genes provide protection or resistance from the seedling stage, while others provide resistance at the adult plant stage. We are thus aiming to combine as many of these genes as possible into a single wheat cultivar, without compromising yield and bread-making quality.”

She says the genes are combined by making crosses between resistant and susceptible cultivars or lines. Conventionally, through a time-consuming process, the incorporation of these genes is tested in the greenhouse and field by infecting plants with the disease to see which plants are resistant and which are not.

They can, however, follow the transfer of these genes to newly developed lines by applying molecular markers. Prof Herselman explains: “A molecular marker is a genomic fragment linked to the gene, which we can follow in the offspring we create from the crosses using different DNA techniques in the laboratory. This enables us to select new wheat lines that contain the highest number of resistance genes. The identified best lines are then used in further crosses and/or released as pre-breeding lines to commercial wheat breeding companies.”

Impact on food security

Her research has an impact on society by providing food security to both commercial and small-scale producers, as well as the end users of wheat (people buying bread and other wheat products). As researcher, it is also important for her to send out students to the workplace who can continue with this task in future.

Prof Herselman believes that when cultivars with fungal-disease tolerance or resistance are released and used by producers, it not only reduces the cost of spraying against diseases, but also increases yields by protecting the crop against fungal diseases. “We live in a world where the population is increasing daily, but land available for agriculture is not increasing and some areas are even lost due to urban development. Increasing yield in available production areas will thus have a positive impact on food security,” she says.

Besides contributing to the country’s food security, she takes pleasure in every aspect of her work. Although she misses the hands-on part of the work as academic head of the department and getting her hands dirty, she still enjoys managing the different research projects (from the conceptualisation phase to data analysis and publishing of results). The part she loves the most is to see the growth in her postgraduate students – from the moment they enter the laboratory for the first time until the day they walk out of the laboratory with their degrees. 

“It adds purpose to my life knowing that I have made a difference in a student’s life and equipped him or her with the necessary tools to be successful in the marketplace. Being able to share your knowledge is a gift, but with that gift comes a lot of responsibility as well. I am, however, up for the challenge,” concludes Prof Herselman. 

News Archive

UFS student government elections declared free and fair
2015-09-04

The 2015/2016 Student Representative Council (SRC) elections on the Bloemfontein and Qwaqwa Campuses of the University of the Free State (UFS) have been declared free and fair.

The institutional Independent Election Commission Chairperson, Mandla Ndlangamandla, commended the high level of cooperation displayed by all students who participated in the peaceful and organised elections on the Qwaqwa Campus.

“We are proud to indicate that from the beginning of the election process, there were no incidents of intimidation, disruption, threats, and violence that were reported,” he said.

Announcing the election results at Bloemfontein Campus, the representative of the Electoral Commission of South Africa (IEC), Andrew Ndelele, also confirmed that the commission had ensured that the elections were credible.

Voter turn-out increased at both campuses compared to the previous year. The elections, which took place from Friday 28 August to 1 September 2015, saw 8% and 0.7% increases in votes casted at the Qwaqwa and Bloemfontein Campuses, respectively. 

Paseka Sikhosana, President-elect of the Qwaqwa Campus, commended the unity and orderliness displayed by students: “After the polling stations had closed, we came together and sang in peace”.

Incoming SRC President of the Bloemfontein Campus, Lindokuhle Ntuli, also endorsed the impartiality of the elections, while expressing how humbled he was by the support he received during the campaigning period.

Bloemfontein elective portfolios:



Bloemfontein Campus president: Lindokuhle Ntuli
Photo: Johan Roux

President: Lindokuhle Ntuli
Vice-President: Mpho Khati
Secretary: Tsietso Mafaso
Treasurer: Katleho Masheane
Culture: Delia Moumakwe
Sport: Kabelo Elijah Noosi
Transformation: Katleho Mmolayeng Letube
Student Accessibility and Support: Victor Fana Sejane
Media and Marketing: Peo Morwesi Segano
First-generation students: Nicola King
Legal and Constitutional Affairs: Luke Harrold Small
Student Development and Environment: Karabo Pheko

Bloemfontein ex officio portfolios:

Associations Student Council: Sikhulekile Luwaca
Academic Affairs Student Council: Letsika Liqoalane
Campus Residences Student Council: Ingrid Wentzel
Commuter Student Council: Audrey Sithebe
Postgraduate Student Council: Kamogelo Dithebe
International Student Council: Takudzwa Gezi
Student Media Council: Hatsu Mphatsoe
Rag Fundraising Council: Tubatsi Moloi
Rag Community Service Council: Johan Diedericks

Qwaqwa Campus president: Paseka Sikhosane
Photo: Thabo Kessah

Qwaqwa elective portfolios:

President: Paseka Sikhosane
Vice-President: Zethu Mhlongo
Secretary: Nondumiso Langa
Treasurer: Palesa Selepe
Student Development and Environmental Affairs: Lindokuhle Ngubane
Media and Publicity: Bongiwe Buthelezi
Politics and Transformation: Nthabiseng Mokoena

Qwaqwa ex officio portfolios:

Academic Affairs: Edward Nkadimeng              
Arts and Culture: Kwenzakwenkosi Mthethwa
Sports Affairs: Thabo Zengele                           
Rag and Dialogue: Dieketseng Mokoena
Religious Affairs: Mamosebetsi Mokoena         
Residence Affairs: Pheletso Moekoa
Off-Campus: Nicholas Sibeko

 

 

 

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