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16 May 2024 | Story Anthony Mthembu | Photo Lutendo Mabata
Prof Marlize Rabe
Prof Marlize Rabe, Vice-Dean of Teaching and Learning in the Faculty of Humanities at the University of the Free State (UFS).

The University of the Free State (UFS) proudly announces the appointment of Prof Marlize Rabe as Vice-Dean of Teaching and Learning in the Faculty of The Humanities. Commencing her tenure on 1 April 2024, Prof Rabe brings a wealth of experience and a vision for advancing pedagogical excellence within the academic community.

Reflecting on her new role, Prof Rabe expressed enthusiasm, stating, “Being part of this esteemed faculty is an exciting prospect. I hope to add value through this appointment by working with lecturers and students on various levels.”

Previously serving as Head of the Sociology Department at the University of the Western Cape (UWC), Prof Rabe’s academic journey positions her uniquely to navigate the responsibilities of her new portfolio, drawing from her extensive experience in undergraduate and postgraduate education.

What this new role entails

The scope of Prof Rabe’s role encompasses multifaceted aspects, including management and administration. She elaborates,’’In many instances, this position offers an opportunity to identify common ground and foster collaborations, thus facilitating the growth of all stakeholders involved.” Such collaborations, she emphasises, are pivotal in propelling the faculty towards innovation and pioneering approaches to teaching and learning.

What to expect in the near future

Looking ahead, Prof Rabe outlines forthcoming initiatives aimed at enhancing the academic landscape. Notably, a colloquium scheduled for the second semester will explore the integration of Artificial Intelligence (AI) in assessments, ensuring relevance and accessibility for both educators and students. As it is, a dedicated task team within the faculty is poised to spearhead these transformative endeavours.

Furthermore, Prof Rabe wants to focus on quality assurance in the faculty. ‘’We must be accountable to our students to maintain the highest standards of education,” she asserts, underscoring the imperative of continual evaluation and benchmarking against global best practices.

In celebration of Prof Rabe’s appointment, the University of the Free State extends its warmest congratulations, anticipating a future marked by innovation, collaboration, and academic excellence under her leadership. 

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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