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01 June 2018 Photo Ian van Straaten
Future Kovsies love Qwaqwa Campus
Excited learners getting a quick lesson from Keafon Jumbam from the Department of Zoology and Entomology.
Hundreds of Grade 11 and 12 learners from all corners of the Eastern Free State and far afield converged on the Qwaqwa Campus of the University of the Free State (UFS) for the annual Open Day.

This was not just about getting information pertaining to academics, but it was also about getting the feel of campus life.

“Prospective students got the chance to explore our campus, interact with lecturers, and learn about the university’s qualification offerings. Drone flights and face painting added to the entertainment; there was also an opportunity to dress up for photos with staff from the Faculty of Economic and Management Sciences, while the Faculty of Education had a DJ belting out catchy tunes. We look forward to welcoming the class of 2019,” said Acting Vice-Principal: Academic and Research, Dr Jared McDonald.

Motivation and hard work
Karabo Mokoena and Sentebale Matsaba from Retief High School in Kestell expressed their excitement. “I want to study Political Science so that I can become a political adviser,” said Karabo. Sentebale added that the day was an ‘adventure’, as she wanted to get more information. “The event has motivated me to work even harder,” said an aspiring medical doctor.

From the teachers’ side, the event also served as a motivation for their learners.

“Our learners did not only find the day to be very fruitful in terms of information received. They also found it motivational as they were exposed to the look and feel of university life. It was indeed eye-opening and fascinating for them. Many said that they are now motivated to work even harder,” said Dikeledi Mabine, Life Orientation and English teacher at Ntsu Secondary School in Bethlehem.

The Rector and Vice-Chancellor, Prof Francis Petersen, also shared his hopes and aspirations for the campus and the UFS in general with teachers, while learners and future Kovsies were also given the chance to apply online.

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.

 

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