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25 June 2020 | Story Leonie Bolleurs | Photo Supplied
Prof Arno Hugo recently participated in a session on food with integrity during a webinar by the Integra Trust, where he presented a lecture focusing on the importance of food traceability and the information communicated to the consumer.

In the complete process between farm and fork, consumers are looking for someone to hold accountable if their animal welfare, product quality, and product safety expectations are not met.

On World Sustainable Gastronomy Day earlier this month (18 June 2020), Prof Arno Hugo from the Department of Microbial, Biochemical and Food Biotechnology’s Food Science division at the University of the Free State (UFS) participated in a webinar by the Integra Trust, titled Heal the Land, Heal the People.

The Integra Trust was established to advance climate-smart sustainable and regenerative agriculture. It values the production, distribution, and utilisation of food with integrity in order to heal the land and the people.

Integra Trust strives to promote agriculture that has a limited footprint on the environment.

Prof Hugo’s lecture during the session on food with integrity, focused on the importance of the traceability of food and the information communicated to the consumer. 

Physical and emotional connectedness to farm and the producer
According to him, modern consumers want to know where their food comes from and want to be physically and emotionally connected to the farm and the producer. In the case of meat, for example, they want to know if the meat they buy is ethically produced and whether the animal was treated in a humane manner during the slaughter process. They also want a guarantee that the food they buy is free of harmful substances.

Prof Hugo states: “The consumer’s need for origin-based food is now playing out in a variety of ways, as food processors and retailers are labelling their products according to the origin of the product. One way of achieving this, is through a good traceability system.”

In his presentation, he focused on traceability from a meat industry perspective.

“Thus, in a good traceability system, a product on the store shelf can easily be traced back to the farmer and the farm where the food was originally produced. In modern traceability systems, it is even possible for the consumer to take the product in the store to a scanner that can read the ‘barcode’ and then showing a photo of the farmer and the name and location of the farm where it was produced,” explains Prof Hugo.

Food traceability important from food safety point of view
“Despite the consumer’s emotional need to connect with the farm and the producer, food traceability is also extremely important from a food security and food safety point of view,” he adds.

Although in its simplest form, it is a comprehensive process of keeping record of suppliers and customers in order to allow reconstruction of the product chain in case of need, it is doable. “In Europe, some 25 million cattle per year are now slaughtered with full traceability. The challenge of providing a secure form of identity through this process, is therefore a formidable one. This is achieved with the use of modern technologies such as Blockchain and DNA technology,” explains Prof Hugo. 

Joining him in the session on food with integrity were, among others, Errieda du Toit, chef, food writer, and culinary commentator (talking about perceptions in terms of difference between fast food and story food, asking if it is driven by social media) and Christiaan Campbell, chef and food consultant (talking about achieving synergy and communication between producer and consumer via the food value chain). Steven Barnard of Farmer Kidz presented a session focused on the younger generation, focusing on why it is important to connect children with food production.

News Archive

Plant scientists address wheat rust diseases at SASPP congress
2015-02-02

Pictured from the left are: Prof Zakkie Pretorius, Dr Botma Visser and Howard Castelyn.
Photo: Supplied

In his research, Dr Botma Visser, researcher in the Department of Plant Sciences at the University of the Free State, highlighted the population dynamics of the stem rust fungus (Puccinia graminis f. sp. tritici) in Southern Africa. In recent years, two foreign stem rust races were introduced to South Africa, and a local virulence adaptation occurred in a third.

All of these races form part of the Ug99 group, a highly virulent collection of rust races endangering wheat production in many parts of the world. Despite the fact that half of the members of the Ug99 race group is prevalent in South Africa, Dr Visser’s work has clearly shown that Ug99 did not have its origin here. This emphasised the need to include neighbouring countries in the annual stem rust surveys, to proactively identify new races that could threaten local wheat production. In his research, Dr Visser also mentioned the way in which he has optimised modern molecular tools to accurately detect Ug99 isolates.

Dr Visser is one of three scientists from the Department of Plant Sciences that addressed delegates attending the biennial congress of the Southern African Society for Plant Pathology (SASPP) on the Bloemfontein Campus earlier this month on progress regarding research on wheat rust diseases conducted at the UFS.

Howard Castelyn, a PhD student in Plant Sciences, presented his research on quantifying fungal growth of the stem rust pathogen in wheat varieties displaying genetic resistance. This resistance, which is best expressed in adult plants, has the potential to remain durable in the presence of new rust variants. His presentation at the congress focused on optimising microscopic and molecular techniques to track fungal development in stem tissues of adult plants. These results now allow scientists to link rust infection levels and cellular responses with particular resistance genes expressed by the wheat plant, and contributing to the understanding and exploitation of durable resistance.

Prof Zakkie Pretorius presented his research, explaining how new genetic diversity for resistance to the stripe (yellow) rust fungus (Puccinia striiformis) is discovered, analysed and applied in South Africa. This research, conducted in collaboration with Dr Renée Prins and her team at CenGen, is unravelling the genetic basis of stripe rust resistance in a promising wheat line identified by Dr Willem Boshoff, a plant breeder at Pannar. The line and DNA markers to track the resistance genes will soon be introduced to South African wheat breeding programmes.

The rust research programme at the UFS contributes significantly to the successful control of these important crop diseases.

In addition to the contributions by the UFS, rust fungi featured prominently at the SASPP, with first reports of new diseases on sugar cane and Acacia and Eucalyptus trees in South Africa. A case study of the use of a rust fungus as a biological control agent for invasive plant species in the Western Cape, was also presented.

 

For more information or enquiries contact news@ufs.ac.za .

 

 

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