6 articles in this issue
J.H.S. Ferreira,P.S. van Wyk,F.J. Calitz
Phaeoacremonium chlamydosporum causes slow dieback of nursery vines and young vines in vineyards. In a greenhouse trial it was observed that significantly more inoculated Chenin blanc vines grafted onto rootstock 101-14 Mgt, and subjected to water stress,... see more
S. Rainieri,C. Zambonelli,V. Tini,L. Castellari,P. Giudici
An interspecific hybrid between a thermotolerant Saccharomyces cereviszae strain and a cold-fermenting Saccharomyces uvarum strain was characterised oenologically. This hybrid was shown to possess the parental traits in a useful combination for winemaking... see more
J.H.S. Ferreira
Nitrogen and carbohydrate contents in extracts from Cape Riesling canes/shoots and wood were determined. Nitrogen content from extracts of both canes/shoots and wood was the highest during June, July and August. Sugar content from canes/shoots... see more
A.P. Malan,A.J. Meyer
The seasonal fluctuation of a South African Xiphinema index population, the influence of four hosts on the length of the life cycle and the reproductive rate with fig as host at three different temperatures, were studied. Reproduction was highest du... see more
I.S. Pretorius,T.J. van der Westhuizen,O.P.H. Augustyn
The art of winemaking is as old as human civilization and the use of yeast in this complex ecological and biochemical process dates back to ancient times. Traditionally, yeasts associated with grape berries were simply allowed to ferment the sugars to eth... see more
J. Marais,E. Swart
2-Methoxy-3-isobutylpyrazine (ibMP) and 4-mercapto-4-methylpentan-2-one (MMP) are considered amongst the most important Sauvignon blanc impact aroma components. These two components were added, separately and in combination at increasing concentrations, t... see more