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12 September 2018 Photo iFlaire
Architectural excellence celebrated at recent Sophia Gray lecture
Prof ‘Ora Joubert, a leading architect and academic, delivered the 30th Sophia Gray Memorial Lecture at the UFS.
A jolly kink, creative, aesthetically sensible, a dream house, welcoming, true colours, bright lights – these are some of the terms one can use to describe the work of Prof ‘Ora Joubert, leading architect, academic and former head of the UFS Department of Architecture.

A journey through time and space

She is also the 30th laureate to deliver the recent Sophia Gray Memorial Lecture on the Bloemfontein Campus of the University of the Free State (UFS). The lecture was titled: La Promenade Architecturale – A journey through time and space. “The title refers to the revelatory experience of an observer who wanders on a pathway in and through architectural spaces,” said Jan Ras, lecturer in the Department of Architecture and organiser of the event. 
“As the observer tours the architectural configuration, a sequence of composed images, themes and ordering systems are revealed. This gradually unfolds as the observer moves through the spaces,” Ras said.

The lecture, which coincided with an exhibition at the Oliewenhuis Art Museum, is a highlight of the South African architectural community and celebrates outstanding practitioners and academics in architecture.

Besides the numerous design awards she received as practitioner, Prof Joubert’s work has also received critical acclaim internationally in publications from Australia, to Russia and the UK. In 2001 she was cited as one of the most esteemed architects under the age of 40 and her work was included in the 2004 Phaidon Atlas of Contemporary Architecture. She is also a well-respected academic with 34 articles published in a variety of publications.

Recognising the intelligence and ingenuity of design

Prior to the lecture, the department also presented a mini-congress, introducing the new PhD with Design programme. This programme recognises the intelligence and ingenuity of design and is aimed at, among others, younger MArch graduates who wish to explore creative research. The department envisaged that the PhD study might be practice-based for architects who wish to document and research their own work and or design-led for candidates who wish to explore a new creative project. 

Forming part of this week filled with architectural creativity was a fundraising breakfast, with contributions going to the Sophia Gray Bursary Fund. The fund is part of a greater call to alumni and friends to be actively involved in the department’s continuous development and future endeavours towards imagination, care and excellence. 

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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