6 articles in this issue
M. Groenewald,S. Denman,P.W. Crous
Twelve fungicides, benomyl, chlorothalonil, fenarimol, fosetyl-Al, iprodione, kresoxim-methyl, mancozeb, metalaxyl, prochloraz manganese chloride, quintozene, tebuconazole and thiram were screened in vitro for their ability to inhibit mycelial growth of P... see more
L. Mostert,S. Denman,P.W. Crous
Phomopsis viticola is the cause of Phomopsis cane and leaf spot disease of grapevines, while Diaporthe perjuncta is associated with bud mortality. The efficacy of nine fungicides (azoxystrobin, flusilazole, folpet, fosetyl-Al + mancozeb, kresoxim-methyl, ... see more
F. Halleen,G. Holz
Little is known about the mode of survival and sources of primary inoculum of Uncinula necator, the causal pathogen of grapevine powdery mildew, in vineyards in the Western Cape province. A study was therefore undertaken to determine whether cleistothecia... see more
F. Halleen,G. Holz,K.L. Pringle
The distribution of Uncinula necator variants resistant to triadimenol, penconazole and flusilazole were determined in vineyards with suspected resistance in the regions Tulbagh, Franschhoek, Stellenbosch, De Dooms, Riebeeck Kasteel and Paarl. The regiona... see more
J.J. Hunter
The effect of eight seasonal canopy management treatments on yield and growth compensation of a vertically trellised Vitis vinifera L. cv. Sauvignon blanc/110 Richter vineyard was investigated. East-West orientated rows were spaced 2.75 x 1.5 m. Spurs wer... see more
B.A. Prior,T.H. Toh,N. Jolly,C. Baccari,R.K. Mortimer
Glycerol in wine originates mainly as a by-product during fermentation by yeast and is thought to add to the body and smooth mouth-feel. We evaluated the properties of Chardonnay wine produced using various wine yeast strains of Saccharomyces cerevisiae a... see more