9 articles in this issue
J.C. Fourie,P.J.E. Louw,G.A. Agenbag
The trial was conducted over a period of ten years (1993/94 to 2002/03) on a sandy soil in a Sauvignon blanc/Ramsey vineyard near Lutzville (31o35’S, 18o52’E), situated in the semi-arid Olifants River Valley of the WesternCape. Fourteen treatments, consis... see more
J.C. Fourie,G.A. Agenbag,P.J.E. Louw
The trial was conducted over a period of ten years (1993/94 to 2002/03) on a sandy soil in a Sauvignon blanc/Ramseyvineyard near Lutzville (31o35’S, 18o52’E), situated in the semi-arid Olifants River Valley of the Western Cape.Fourteen treatments, consist... see more
J.-L. Puech,A. Prida,S. Isz
Oenological tannin is a common name for food additives containing tannins utilised in winemaking practices. The maintaste feature of oenological tannin is the taste sensation of astringency and bitterness. In the present paper, samples ofvarious oenologic... see more
E. Archer,D. van Schalkwyk
Three different trials, at three different localities, each with different growing conditions, were conducted with nine differentwine grape varieties. Four different pruning methods, hand, mechanical, minimal and no pruning were tested. Growthresponses, g... see more
M. Swanepoel,M. du Toit,H.H. Nieuwoudt
Calibration models for Fourier transform mid-infrared (FT-MIR) spectroscopy were developed for the simultaneousquantification of total soluble solids (TSS, measured as °Brix), pH and titratable acidity (TA, expressed as g/Ltartaric acid) in South African ... see more
E. Herrmann,M.D. Anderson
The foraging behaviour of damage-causing birds in table grape vineyards was examined in the Orange River valley,Northern Cape Province, South Africa during the summer harvest season from November 2001 to January 2002.Based on a sample of 300 foraging acts... see more
G.O. Sigge,J. Green,K.R. du Plessis,T.J. Britz
The effect of ozonation on wine distillery wastewater was investigated firstly by monitoring the effect of ozonationon the composition of the wastewater and, secondly, by investigating its effect on the biodegradability of thewastewater. An average COD re... see more
J. Satisha,S.D. Ramteke,G.S. Karibasappa
Ten grape rootstocks were characterised for their various morphological, physiological and biochemical parameters.Significant differences were observed for most of the parameters studied. Rootstocks in the group of Vitis berlandierii× Vitis rupestris, suc... see more
S. Malherbe,F.F. Bauer,M. du Toit
Despite advances in winemaking technology and improvements in fermentation control, problem alcoholic andmalolactic fermentations remain a major oenological concern worldwide. This is due to possible depreciation ofproduct quality and its consequent negat... see more