Impact of climate change factors on physiological and vegetative growth parameters of young grafted grapevines

Project Number
P04000146

Project title
Impact of climate change factors on physiological and vegetative growth parameters of young grafted grapevines

Project leaders
Theron, H
Hunter, J J

Institution
Cape Peninsula University of Technology Stellenbosch University. Department of Viticulture and Oenology

Team members
Hunter, J J
Strever, A E
Volschenk, N
Paulse, C
Marais, A

Project description
Warming of the climate system is unequivocal. The climate directly affects physiological processes as well as parameters important in sustainable viticulture and enology. A change in climate may necessitate changes in vineyard management strategies. Scientific information on grapevine response to predicted levels of climate parameters is scarce and not sufficient to properly position the wine industry for the future.

The purpose of this research is to quantify the effects of envisioned changes in climatic parameters on the functioning and growth of young grafted grapevines grown under controlled conditions. This research will provide important information to make better informed decisions regarding future cultivar and rootstock choice, terroir selection and any adaptations to current practices.

The objectives are: Establish criteria for terroir selection for predicted climatic stress conditions Establish criteria for cultivar selection for predicted climatic stress conditions Suggest adapted vineyard management practices to accommodate predicted changes in environmental conditions to restrict detrimental effects due to climatic stress conditions.

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