6 articles in this issue
P.J. Lombard,J.A. Viljoen,E.E.H. Wolf,F.J. Calitz
Flame Seedless grafted onto Richter 99 situated in the Lower Orange River region and Bonheur grafted onto Ramsey in the Berg River Valley region of South Africa were used to test ethephon treatments for berry colour improvement. The trial was repeated ove... see more
J.J. Hunter,C.G. Volschenk,J. Marais,G.W. Fouche
The implications of pre-veraison canopy management and ripeness level (19°B and 21°B) on microclimate and grape and must composition were determined on intensively micro-sprinkler irrigated Vitis vinifera L. cv. Sauvignon blanc/110 Richter vines, grown on... see more
P.H. Fourie
Grapevine downy mildew, caused by Plasmopara viticola, is a sporadic, but destructive disease of grapevines in South Africa. Despite extensive fungicide spray programmes, disease control during disease-conducive weather periods is often inadequate, and se... see more
V.M. Walton,K.L. Pringle
A survey of mealybugs and their associated natural enemies occurring in vineyards was conducted in the Western Cape Province during the 1999/2000 and 2000/2001 seasons. Planococcus ficus (Signoret) was the dominant mealybug and was found for the first tim... see more
A.H. Meyer,A.J. Valentine,A. Botha,E. Archer,P.J.E. Louw
The host plant response following inoculation with commercially available arbuscular mycorrhizal (AM) fungi was determined in young grapevines under field conditions which would prevail on a typical farm. Measurements regarding growth improvement, nutriti... see more
P.A. Myburgh
Rainfall interception was determined for six trellis systems in a vineyard at Stellenbosch. Measurements made directly under the canopy and in the centre of the work row were compared to rainfall measured outside the vineyard. Rainfall was measured over t... see more