Determination of the Effectiveness of Hot Water Treatment for Preventing the Spread of Vine Leafroll Virus

Project Number

Project title
Determination of the effectiveness of hot water treatment for preventing the spread of vine leafroll virus

Project leader
Walton, V M

University of Stellenbosch, Department of Entomology

Project description
The aim of this project is to determine the incidence of mealybug/scale insect infestations in propagation material and to determine the effectiveness of the currently used hot-water treatment as an efficient technique to prevent the spread of mealybugs (Planococcus ficus, Pseudococcus viburni, and Ps. longispinus ) and scale insects from propagation material to newly planted vineyards.

Walton, V M. 2002. Predicting establishment and effectiveness of Coccidoxenoides peregrinus, a vine mealybug parasitoid in ecologically different South African grape growing regions. The role of genetics and evolution in biological control. Poster presented at the IOBC International Symposium on Biological Control. 14-16 October, Montpellier, France.

Walton, V M. 2002. Navorsing t.o.v. witluis monitering, beheer en natuurlike vyande. Presentation to the Nurserymen Association. 5 November, Paarl, South Africa.

Walton, V M. 2003. Effects of pesticides and fungicides used on grapevines on the mealybug predatory beetle Nephus ‘boschianus’ (Coccinellidae, Scymnini). Pesticides in non-target agricultural environments, environmental and economic implications. Paper presented at the Joint European – Southern African International Conference on Pesticides in Non-target Agricultural Environments. 21?23 January 2003, University of Cape Town, Cape Town, South Africa.

Walton, V M. 2003. South African perspective on the vine mealybug problem. Paper presented at the Unified Wine and Grape Symposium, 28-31 January, Sacramento, California, United States

Walton, V M. 2003. Developments in and future of mealybug research. Paper presented at the 3rd Virus Workshop. 5 May, Stellenbosch.

No Final Report

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