Browsing by Issue Date
Now showing items 1-4 of 4
-
Resistance in uncinula necator to triazole fungicides in South African grapevines
(South African Society for Enology and Viticulture, 2000)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 ... -
In vitro screening of fungicides against phomopsis viticola and diaporthe perjuncta
(South African Society for Enology and Viticulture, 2000)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 ... -
Fungicide sensitivity of phaeomoniella chlamydospora, the causal organism of petri grapevine decline
(South African Society for Enology and Viticulture, 2000)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 ... -
Cleistothecia and flag shoots : sources of primary inoculum for grape powdery mildew in the Western Cape Province, South Africa
(South African Society for Enology and Viticulture, 2000)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 ...
