Now showing items 1-3 of 3
Effects of Pesticides and Fungicides Used on Grapevines on the Mealybug Predatory Beetle Nephus 'boschianus' (Coccinellidae, Scymnini)
(South African Society for Enology and Viticulture, 2001)
The effects of frequently used grapevine insecticides and fungicides on adults of the predatory beetle Nephus 'boschianus' of vine mealybug, Planococcus ficus (Signoret), were determined under laboratory conditions. When ...
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 ...
Anatomical responses to cytokinins of abscised grapevine shoot apices cultured in vitro
(South African Society for Enology and Viticulture, 1987)
Responses of excised shoot apices of V. vinifera L. cv. Chenin blanc to different cytokinin treatments were studied at various intervals (days) after the start of in vitro culture, using light and scanning electron microscopy. ...