Environmentally safe management of grapevine trunk diseases in nurseries

Project Number
WW 06-33

Project title
Environmentally safe management of grapevine trunk diseases in nurseries

Project leader
Halleen, F

Team members
Steenkamp, J
Groenewald, M
Fourie, P H
Sedeman, Z
Marais, J
Nel, L
Vermeulen, C

Project description
Production of healthy, pathogen-free grapevines is of cardinal importance to the grapevine industry. Knowledge obtained from previous studies (WW 06-15, WW 06-20) gave significant insight into the presence of grapevine trunk disease causing pathogens in propagation material. Critical stages in the propagation process could therefore be identified. Consequent research efforts (WW 06-21, WW 06-26, WW 06-27) have focused on these critical stages in order to prevent, reduce or eradicate contamination and infection of propagation material and nursery grapevines. The objective of the current project is to integrate all the known information, as well as some new ideas, into a comprehensive and environmentally safe protocol for the pro-active management of grapevine trunk diseases in nurseries. Nursery trials will therefore be conducted whereby different protocols are compared with each other. Various chemical, biological and physical treatments will be investigated, divided in three categories according to their environmentally-safe status.

The aim of this project is therefore to formulate and evaluate an integrated strategy for the pro-active management of grapevine trunk diseases in nurseries. Various strategies [chemical, biological and physical (hot water) treatments] will be investigated with a special emphasis on environmentally safe alternatives.

Presentation(s)
Halleen, F and Fourie, P H. 2006. Epidemiology and control of black foot disease of grapevines. Lecture University of Stellenbosch, Department of Plant Pathology. 25 August, Stellenbosch, South Africa.

Halleen, F C and Fourie, P H. 2007. Plantgesondheid in wingerdkwekerye. Wingerd Kwekersvereniging. 12 June, Wellington, South Africa

Halleen, F. 2007. Black foot disease of the grapevine. Lecture. University of Stellenbosch. Department of Plant Pathology. 24 August, Stellenbosch, South Africa

Halleen, F and Fourie, P H. 2007. Black goo and black foot disease: Identification and control measures. VinPro and OWK Information Day. 13 September, Upington, South Africa.

Halleen, F and Fourie, P H. 2008. Epedimiology and control of black foot and Petri disease of grapevines. Lecture. University of Stellenbosch, Department of Plant Pathology. 22 August, Stellenbosch, South Africa.

Halleen, F. 2009. Houtverrottingswamme. Terason Viticulture Training Day. 12 June, Wellington, South Africa.

FinalReport.pdf

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