Latest News Archive

Please select Category, Year, and then Month to display items
Previous Archive
25 August 2020 | Story Andre Damons | Photo Pierce van Heerden
Prof Felicity Burt is a passionate virologist with more than 25 years of research on medically significant viruses that cycle in nature and are transmitted to humans via mosquitoes, ticks, or animals.

Prof Felicity Burt, an expert in arbovirology in the Division of Virology, has been leading the University of the Free State (UFS) COVID-19 Task Team over the past five months. Prof Burt is a passionate virologist with more than 25 years of research on medically significant viruses that cycle in nature and are transmitted to humans via mosquitoes, ticks, or animals.

As the UFS is celebrating its champion women this Women’s Month, Prof Burt gives us some insight into who she is. 

Please tell us about yourself

I am an arbovirologist from the Division of Virology in the Faculty of Health Sciences, and the National Health Laboratory Service. Who am I? I am a mum, a wife, a daughter, a sister, a sister-in-law, a friend, a scientist, a colleague, a professor.  I am passionate about my work and have spent more than 25 years researching medically significant viruses that cycle in nature and are transmitted to humans via mosquitoes, ticks, or animals. 
My research group investigates the various mechanisms that viruses use to cause disease, and I am particularly interested in how our bodies respond to infection that can help us develop vaccines or therapies. Raising awareness of these viruses, profiling disease associated with different viruses, and developing tools for surveillance programmes all contribute towards understanding pathogens and the public-health implications. I am so grateful for the opportunities my career has provided me, which includes travelling all over the world for conferences and meetings and participating in outbreak responses in Africa.   
   
Is there a woman who inspires you and who you would like to celebrate this Women’s Month, and why?

I am inspired by all women who set goals and work to achieve them. The goals may vary, but they are important and challenging to each individual.  Hence, I would like us to acknowledge and celebrate all women who achieve their goals through hard work, dedication, and of course, plenty of passion. 

What are some of the challenges you’ve faced in your life that have made you a better woman?

I have always been quite a shy person and still find it challenging to stand up in front of an audience. I was born in Zimbabwe and when I finished school, I moved to South Africa to study at the University of the Witwatersrand. Moving on my own to Johannesburg at the age of 18 was definitely a challenge for a quiet, reserved girl from Harare. Compared to home, Johannesburg was a mammoth city; however, I absolutely loved university life, met people who became lifelong friends, and pursued a career in science. I try to learn from my many mistakes and treat others how I would like to be treated, especially with kindness. 

What advice would you give to the 15-year-old you?

Dream on girl, and it doesn’t matter if they don’t all come true; life isn’t going to turn out as expected, but as long as you enjoy the journey. You don’t have to be the best, but you have to do your best – with passion of course. 

What would you say makes you a champion woman [of the UFS]?

To be honest, I wouldn’t call myself a champion, but I am quite proud of what I have established at the UFS. With hard work and passion, contributions from colleagues, support from management, and never forgetting a whole bunch of wonderfully enthusiastic students, we have built an active postgraduate research group, graduated multiple students, published scientific articles in international journals, presented our research at conferences, contributed to community engagement, had fun, and still have plenty more to achieve!  

 

News Archive

Sunflowers are satellite dishes for sunshine, or are they?
2016-07-20

Eighty-six percent of South Africa’s
sunflowers are produced in the
Free State and North West provinces.

Helen Mirren, the English actress, said “the sunflower is like a satellite dish for sunshine”. However, researchers at the University of the Free State (UFS) have found that too much of this sunshine could have a negative effect on the growth of sunflowers, which are a major source of oil in South Africa.

According to Dr Gert Ceronio from the Department of Soil, Crop, and Climate Sciences at the UFS, extremely high soil temperatures play a definite role in the sprouting of sunflower seedlings. Together with Lize Henning, professional officer in the department, and Dr André Nel from the Agricultural Research Council, he is doing research on biotic and abiotic factors that could have an impact on sunflowers.

Description: Sonneblom 2 Tags: Sonneblom 2

Various degrees of deformity (bad-left
to none-right) in seedlings of the same
cultivar at very high soil temperatures.
Photo: Dr Gert Ceronio

Impact of high temperatures on sunflower production

The Free State and North West provinces, which produce 86% of South Africa’s sunflowers, are afflicted especially by high summer temperatures that lead to extremely high soil temperatures.

Dr Ceronio says: “Although sunflower seeds are able to germinate at temperatures from as low as 4°C to as high as 41°C, soil temperatures of 35°C and higher could have a negative effect on the vegetative faculty of sunflower seedlings, and could have an adverse effect on the percentage of sunflowers that germinate. From the end of November until mid-January, this is a common phenomenon in the sandy soil of the Free State and North West provinces. Soil temperatures can easily exceed the critical temperature of 43°C, which can lead to poor germination and even the replanting of sunflowers.”

Since temperature have a huge impact not only on the germination of sunflower seeds, but also on the vegetative faculty and sprouting of sunflower seedlings, Dr Ceronio suggests that sunflowers should be planted in soil with soil temperatures of 22 to 30°C. Planting is usually done in October and early November. Unfortunately, this is not always possible, as soil moisture is not optimal for growth. Farmers are then compelled to plant sunflowers later.

Impact of herbicides on sunflower growth

“High soil temperatures, combined with the herbicide sensitivity of some cultivars, could lead to the poor development of seedlings," says Dr Ceronio.

The use of herbicides, such as ALACHLOR, for the control of weeds in sunflowers is common practice in sunflower production. It has already been determined that ALACHLOR could still have a damaging effect on the seedlings of some cultivars during germination and sprouting, even at recommended application dosages.

“The purpose of the continued research is to establish the sensitivity of sunflower cultivars to ALACHLOR when exposed to high soil temperatures,” says Dr Ceronio.

 

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