Latest News Archive

Please select Category, Year, and then Month to display items

The impact of cereal killers on food security

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

Statement on protest at the UFS

2005-03-04

Following a protest by student and non-student organisations today, the management of the University of the Free State (UFS) would like to place the following facts on record:

1. There is a well-documented process underway to further transform the UFS. At the official opening of the UFS on 4 February 2005 , the Rector and Vice-chancellor, Prof Frederick Fourie, announced that the UFS would draft a comprehensive Transformation Plan to guide the next phase of transformation at the institution.

The UFS appeals to student formations, staff associations, trade unions and other role-players to make a constructive input into this Transformation Plan.

The UFS management has been - and always will be - willing to engage with role-players and is prepared to do so even after today’s protest.

2. There is thus no regulation or policy prescription which separates students in hostels according to race.

The reality is that students exercise their freedom of choice as to which hostel they wish to be placed in. This was agreed upon by black and white students in 1997/8.

However, the unintended consequence and practice of this hostel placement policy has been that students themselves have tended to choose to stay in hostels which have over time become black hostels and white hostels.

This is a matter of concern for the management of the UFS as such a situation does not promote interaction across language, cultural and socio-economic groupings of students.

This matter is receiving attention and an intensive consultative process, which will include students, will be launched to review this policy.

The management is convinced that such interaction will enhance the learning experience of all students and sensitise them to the reality of a multicultural South Africa and a multicultural world.

3. No student organisation has been banned from operating at any of the three campuses of the UFS.

In the past few weeks, SASCO, the Young Communist League and the ANC Youth League (ANCYL) have held meetings on all three campuses, namely the Qwaqwa campus, the Vista campus and the main campus.

There are also regular interactions between top management and the leadership of SASCO and the ANCYL on campus.

In fact, the UFS upholds the right of students and staff to associate freely and to organise themselves as they see fit.

The UFS also upholds the rights of staff and students to engage in legal and peaceful protests.

The management however remains committed to discussing issues that affect staff and students in a constructive manner and appeals to student organisations in this case to engage with management.

4. The issues of registration, fees, debt and financial aid are continually monitored, and interventions to assist students are made regularly. To assist as far as possible those academically deserving students who face financial difficulties, the UFS management has put in place a structure called the Monitoring committee that includes management and student representatives.

The purpose of the Monitoring Committee is to review the cases of individual students to determine how best they can be assisted.

This applies to the Qwaqwa campus, the Vista campus and the main campus.

It is generally the case that students who perform academically will not have any difficulty in obtaining financial assistance. However, according to the requirements of National Student Financial Scheme, students who perform poorly will have difficulty in obtaining such assistance.

5. With regard to student governance, the process to institute an inclusive Central Student Representative Council (SRC), on which all three campuses will be equitably represented, was launched in July 2004, and a preliminary constitution has just been drafted. At the same time an inclusive process to review certain elements of the constitution of the main campus SRC was initiated at the end of 2004. This process, which includes all relevant student organisations and structures, is planned to produce an outcome within the next couple of months.

6. There is no policy at the UFS that is based on racism or that discriminates on the basis of the race of students and staff.

As part of the building of a new institutional culture within the broader transformation process, the UFS management is determined to eradicate all elements of racism that may occur on its campuses, and has already instituted inclusive forums on campus to discuss the issue of values and principles for a non-racial university.

Issued by: Mr Anton Fisher
Director: Strategic Communication
Cell: 072 207 8334
Tel: (051) 401-2749
4 March 2005

Back

Economic and Management Sciences

Education

Health Sciences

The Humanities

Law

Natural and Agricultural Sciences

Theology and Religion

Open Distance Learning

Business School

We use cookies to make interactions with our websites and services easy and meaningful. To better understand how they are used, read more about the UFS cookie policy. By continuing to use this site you are giving us your consent to do this.

Accept