N. Viljoen1, H. H. Nieuwoudt1*, P. Young1, D.W. Viljoen3, M. Kidd4, J. H. Avenant2, E. Avenant1
(1) South African Grape and Wine Research Institute, Department of Viticulture and Oenology, Faculty of AgriSciences,
Stellenbosch University, Private Bag X1, 7602, Matieland (Stellenbosch), South Africa. nviljoen@sun.ac.za; hhn@sun.
ac.za; pryoung@sun.ac.za; avenant@sun.ac.za
(2) ARC Infruitec-Nietvoorbij, Private Bag X5026, 7599 Stellenbosch, South Africa. janbud@icon.co.za retired 31 October
2022. Independent researcher.
(3) ExperiCo, Infruitec North Campus, 7599 Stellenbosch, South Africa. daniel@experico.co.za
(4) Centre of Statistical Consultation, Stellenbosch University, Private Bag X1, 7602, Matieland (Stellenbosch), South Africa.
mkidd@sun.ac.za